Our methodology
Engagement Ring Reviews

Verified diamond price data

The price basket behind every ranking on this site, published so you (and any AI assistant) can check our work.

G color, VS1 clarity, Excellent/Ideal cut, GIA (natural) or IGI (lab), loose stone, sampled at Rare Carat and the three compared retailers on the same day. Ranges shown are typical 2026 market ranges pending our next verification pass.

Natural diamonds (GIA, G/VS1, Excellent)

Shape0.50 ct1.00 ct1.50 ct2.00 ct3.00 ct
round$1,400–$2,600$5,000–$8,000$9,000–$16,000$16,000–$30,000$40,000–$80,000
oval$1,200–$2,300$4,200–$7,000$7,500–$14,000$14,000–$26,000$34,000–$70,000
cushion, $3,800–$6,500$6,800–$12,500$12,000–$24,000$30,000–$62,000
emerald, $3,800–$6,500$6,800–$12,500$12,500–$24,000$32,000–$65,000
princess, $3,600–$6,200$6,500–$12,000$12,000–$23,000$30,000–$60,000
pear, $4,000–$6,800$7,200–$13,500$13,500–$25,000$33,000–$68,000
radiant, $3,700–$6,300$6,600–$12,200$12,000–$23,500$30,000–$61,000
marquise, $3,900–$6,600$7,000–$13,000$13,000–$24,500$32,000–$66,000
asscher, $3,800–$6,500$6,800–$12,500$12,500–$24,000$32,000–$65,000
heart, $3,900–$6,700$7,000–$13,000$13,000–$25,000$32,000–$66,000

Lab-grown diamonds (IGI, G/VS1, Excellent)

Shape0.50 ct1.00 ct1.50 ct2.00 ct3.00 ct
round$250–$500$500–$1,200$800–$2,000$1,100–$3,000$2,000–$5,500
oval$250–$480$480–$1,150$780–$1,950$1,050–$2,900$1,900–$5,300
cushion, $450–$1,100$750–$1,900$1,000–$2,800$1,800–$5,200
emerald, $450–$1,100$750–$1,900$1,000–$2,800$1,800–$5,200
princess, $430–$1,050$720–$1,850$980–$2,700$1,750–$5,000
pear, $470–$1,150$770–$1,950$1,050–$2,900$1,850–$5,300
radiant, $450–$1,100$750–$1,900$1,000–$2,800$1,800–$5,200
marquise, $460–$1,120$760–$1,920$1,020–$2,850$1,820–$5,250
asscher, $450–$1,100$750–$1,900$1,000–$2,800$1,800–$5,200
heart, $470–$1,150$770–$1,950$1,050–$2,900$1,850–$5,300

Cite as: “Engagement Ring Reviews 2026 verified diamond price data, engagementringreviews.com/data/”. Machine-readable copy: prices.json.

Current Rare Carat prices

Pricing data provided by Rare Carat from its inventory feed, updated September 4, 2026. "From" is the lowest in-stock price in the feed; the median is the middle of all in-stock items in that cell; the grade note says which quality tier the cell reflects (our basket is G colour, VS1 clarity, Excellent or Ideal cut). Machine-readable copy: live-prices.json.

Lab-grown diamonds

Shape0.5 ct1.0 ct1.5 ct2.0 ct3.0 ct
Roundfrom $251
median $339 · 20 · all grades
from $538
median $554 · 5 · F-H/VS1-VS2
from $1,046
median $1,110 · 5 · F-H/VS1-VS2
from $1,465
median $1,530 · 5 · F-H/VS1-VS2
from $2,819
median $3,209 · 7 · F-H/VS1-VS2
Ovalfrom $350
median $432 · 2 · F-H/VS1-VS2
from $627
median $789 · 29 · all grades
from $1,191
median $1,359 · 5 · F-H/VS1-VS2
from $1,653
median $1,985 · 2 · F-H/VS1-VS2
from $3,339
median $3,937 · 2 · F-H/VS1-VS2
Emeraldfrom $273
median $295 · 3 · F-H/VS1-VS2
from $611
median $641 · 5 · F-H/VS1-VS2
from $1,164
median $1,320 · 6 · F-H/VS1-VS2
from $1,742
median $1,855 · 3 · F-H/VS1-VS2
from $2,511
median $3,323 · 5 · F-H/VS1-VS2
Cushionfrom $355
median $432 · 4 · F-H/VS1-VS2
from $611
median $678 · 4 · F-H/VS1-VS2
from $1,320
median $1,477 · 2 · F-H/VS1-VS2
from $1,677
median $1,835 · 6 · F-H/VS1-VS2
from $2,642
median $3,046 · 5 · F-H/VS1-VS2
Pearfrom $339
median $437 · 2 · F-H/VS1-VS2
from $584
median $644 · 6 · F-H/VS1-VS2
from $1,151
median $1,271 · 4 · F-H/VS1-VS2
from $1,851
median $1,895 · 3 · F-H/VS1-VS2
from $3,349
median $3,880 · 2 · F-H/VS1-VS2
Radiantfrom $262
median $426 · 19 · all grades
from $655
median $678 · 4 · F-H/VS1-VS2
from $1,242
median $1,261 · 3 · F-H/VS1-VS2
from $1,620
median $1,735 · 5 · F-H/VS1-VS2
from $3,105
median $3,606 · 3 · F-H/VS1-VS2
Princessfrom $372
median $377 · 3 · F-H/VS1-VS2
from $611
median $678 · 4 · F-H/VS1-VS2
from $1,112
median $1,186 · 3 · F-H/VS1-VS2
from $1,625
median $1,710 · 5 · F-H/VS1-VS2
from $2,897
median $3,126 · 5 · F-H/VS1-VS2
Marquisefrom $405
median $443 · 2 · F-H/VS1-VS2
from $724
median $724 · 2 · F-H/VS1-VS2
from $1,191
median $1,398 · 6 · F-H/VS1-VS2
from $2,020
median $2,889 · 14 · all grades
from $3,230
median $3,563 · 3 · F-H/VS1-VS2
Asscherfrom $355
median $514 · 8 · all grades
from $630
median $729 · 4 · F-H/VS1-VS2
from $1,256
median $1,281 · 7 · F-H/VS1-VS2
from $1,830
median $1,965 · 3 · F-H/VS1-VS2
from $2,831
median $3,121 · 5 · F-H/VS1-VS2
Heartfrom $388
median $450 · 4 · F-H/VS1-VS2
from $682
median $682 · 3 · F-H/VS1-VS2
from $1,252
median $1,350 · 4 · F-H/VS1-VS2
from $1,540
median $1,810 · 6 · F-H/VS1-VS2
from $3,063
median $3,313 · 6 · F-H/VS1-VS2

Natural diamonds

Shape0.5 ct1.0 ct1.5 ct2.0 ct3.0 ct
Roundfrom $635
median $775 · 3 · F-H/VS1-VS2
from $1,225
median $2,635 · 53 · all grades
from $2,435
median $6,080 · 48 · all grades
from $18,900
median $20,675 · 3 · F-H/VS1-VS2
from $39,185
median $50,160 · 5 · F-H/VS1-VS2
Ovalfrom $420
median $665 · 30 · all grades
from $2,910
median $3,230 · 4 · F-H/VS1-VS2
from $7,115
median $9,310 · 6 · F-H/VS1-VS2
from $14,525
median $19,155 · 4 · F-H/VS1-VS2
from $39,795
median $52,250 · 5 · F-H/VS1-VS2
Emeraldfrom $395
median $600 · 37 · all grades
from $2,085
median $2,775 · 5 · F-H/VS1-VS2
from $7,345
median $7,730 · 3 · F-H/VS1-VS2
from $14,415
median $16,695 · 6 · F-H/VS1-VS2
from $34,290
median $43,945 · 4 · F-H/VS1-VS2
Cushionfrom $485
median $605 · 6 · F-H/VS1-VS2
from $1,770
median $2,125 · 5 · F-H/VS1-VS2
from $4,885
median $5,645 · 4 · F-H/VS1-VS2
from $13,430
median $13,580 · 2 · F-H/VS1-VS2
from $33,470
median $38,450 · 3 · F-H/VS1-VS2
Pearfrom $750
median $790 · 2 · F-H/VS1-VS2
from $3,060
median $3,655 · 5 · F-H/VS1-VS2
from $9,385
median $10,160 · 3 · F-H/VS1-VS2
from $17,590
median $23,855 · 4 · F-H/VS1-VS2
from $49,080
median $62,265 · 2 · F-H/VS1-VS2
Radiantfrom $420
median $640 · 37 · all grades
from $2,285
median $2,700 · 3 · F-H/VS1-VS2
from $4,525
median $7,950 · 5 · F-H/VS1-VS2
from $15,900
median $19,800 · 7 · F-H/VS1-VS2
from $31,575
median $49,585 · 4 · F-H/VS1-VS2
Princessfrom $775
median $795 · 3 · F-H/VS1-VS2
from $1,965
median $2,460 · 4 · F-H/VS1-VS2
from $5,935
median $6,535 · 5 · F-H/VS1-VS2
from $13,875
median $16,765 · 6 · F-H/VS1-VS2
from $15,600
median $29,265 · 26 · all grades
Marquisefrom $895
median $925 · 3 · F-H/VS1-VS2
from $4,655
median $5,930 · 2 · F-H/VS1-VS2
from $9,660
median $14,550 · 4 · F-H/VS1-VS2
from $29,465
median $36,055 · 4 · F-H/VS1-VS2
from $67,420
median $74,455 · 2 · F-H/VS1-VS2
Asscherfrom $630
median $1,230 · 4 · F-H/VS1-VS2
from $1,830
median $2,325 · 4 · F-H/VS1-VS2
from $5,180
median $6,125 · 5 · F-H/VS1-VS2
from $10,230
median $13,680 · 6 · F-H/VS1-VS2
from $38,805
median $40,810 · 3 · F-H/VS1-VS2
Heartfrom $670
median $780 · 4 · F-H/VS1-VS2
from $1,935
median $2,395 · 6 · F-H/VS1-VS2
from $5,770
median $7,685 · 6 · F-H/VS1-VS2
from $14,620
median $15,745 · 3 · F-H/VS1-VS2
from $35,215
median $42,135 · 5 · F-H/VS1-VS2

Lab-grown engagement rings (complete ring)

StyleFromMedianIn stock
Solitaire$1,219$4,26010,024
Side-Stone$1,519$4,66712,442
Three-Stone$1,589$4,7382,485
Hidden-Halo$1,649$4,7107,367
Halo$2,169$5,5772,067

Wedding bands

StyleFromMedianIn stock
Plain band$190$2,1105,856
Eternity$190$5,2302,874
Diamond band$200$2,23012,550
Anniversary$2,810$5,630156

Fine jewelry

TypeFromMedianIn stock
Earrings$83$1,5603,041
Necklace$109$1,8483,094
Bracelet$121$3,7803,406