Round|Natural|GIA

1.51ct H VS2 Round Natural Diamond

EX • H/VS2 • GIA 2126429613

Certificate GIA 2126429613

Diamond specifications and retailer prices

From $12,350 USD
As of November 1, 2026
Save $9,532 USD (44%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $25,988 USD at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2126429613. Listed at 21 retailers as of November 1, 2026, with a 77% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2126429613
Dimensions7.31 × 7.27 × 4.58 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Culet sizeNone
Top View
7.31 mm7.27 mm1.51 ctH / VS2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2126429613
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $21,882 USD|Low: $12,210 USD|High: $23,158 USD|Avg: $16,351 USD|-5.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 4, 2026
Retailer 5$12,350 USD
Retailer 6$12,843 USD
Retailer 3$13,034 USD
Retailer 18$13,146 USD
Retailer 16$13,790 USD
Retailer 13$14,042 USD
Retailer 8$14,049 USD
Retailer 12$14,752 USD
Retailer 4$14,985 USD
Retailer 9$15,098 USD
Retailer 2$15,219 USD
Retailer 11$15,805 USD
Retailer 7$15,950 USD
Retailer 19$15,950 USD
Retailer 17$16,303 USD
Retailer 20$16,480 USD
Retailer 14$16,942 USD
Retailer 10$19,902 USD
Retailer 15$20,639 USD
Retailer 1$21,882 USD

39 data points across 20 retailers

21 retailers$12,350 USD to $21,882 USD

B+
Cheapest Retailer
-
$12,350 USD
B
Retailer 2
-
$12,843 USD
View
B
Retailer 3
-
$13,034 USD
View
B
Retailer 4
-
$13,146 USD
View
B
Retailer 5
-
$13,790 USD
View
B
Retailer 6
-
$14,042 USD
View
Final sale: no returns
B
Retailer 7
-
$14,049 USD
View
B
Retailer 8
-
$14,752 USD
View
B
Retailer 9
-
$14,985 USD
View
Retailer 10
-
$15,098 USD
View
Price last confirmed 13 days ago
B
Retailer 11
-
$15,219 USD
View
B
Retailer 12
-
$15,805 USD
View
B
Retailer 13
-
$15,950 USD
View
B
Retailer 14
-
$15,950 USD
View
B
Retailer 15
-
$16,303 USD
View
B
Retailer 16
-
$16,480 USD
View
B
Retailer 17
-
$16,942 USD
View
B
Retailer 18
-
$19,902 USD
View
B
Retailer 19
-
$20,639 USD
View
B
Retailer 20
-
$21,882 USD
View
Most Expensive
Diamond Quarter
1.51VS2H21134E4CN · Nov 2
$25,988 USD
£20,463 GBP
View
Price under review
20 more retailers have this diamond
Prices start from $12,350 USDSave up to $9,532 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.51ct Round
$12,350 USD