Round|Natural|GIA

1.51ct H VS1 Round Natural Diamond

EX • H/VS1 • GIA 7431570038

Certificate GIA 7431570038

Diamond specifications and retailer prices

From $12,770 USD
As of November 4, 2026
Save $8,626 USD (40%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $25,765 USD at Diamond Quarter · As of November 5, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 7431570038. Listed at 22 retailers as of November 4, 2026, with a 68% 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 7431570038
Dimensions7.38 × 7.34 × 4.55 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.38 mm7.34 mm1.51 ctH / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7431570038
Side View
Table 57.0%Crown 33.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.9%

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 4
Current: $21,396 USD|Low: $12,770 USD|High: $23,178 USD|Avg: $17,326 USD|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 4$12,770 USD
Retailer 7$14,053 USD
Retailer 2$15,090 USD
Retailer 6$15,407 USD
Retailer 8$15,643 USD
Retailer 3$17,631 USD
Retailer 1$21,396 USD
Retailer 5$22,903 USD

42 data points across 8 retailers

22 retailers$12,770 USD to $21,396 USD

B+
Cheapest Retailer
-
$12,770 USD
B
Retailer 2
-
$13,412 USD
View
B
Retailer 3
-
$13,482 USD
View
B
Retailer 4
-
$13,730 USD
View
B
Retailer 5
-
$14,053 USD
View
Final sale: no returns
B
Retailer 6
-
$14,385 USD
View
Retailer 7
-
$14,665 USD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$15,090 USD
View
Retailer 9
-
$15,407 USD
View
Price last confirmed 14 days ago
B
Retailer 10
-
$15,643 USD
View
B
Retailer 11
-
$15,887 USD
View
Retailer 12
-
$16,498 USD
View
Price last confirmed 60 days ago
B
Retailer 13
-
$16,498 USD
View
B
Retailer 14
-
$17,028 USD
View
B
Retailer 15
-
$17,160 USD
View
B
Retailer 16
-
$17,631 USD
View
B
Retailer 17
-
$18,510 USD
View
Retailer 18
-
$20,776 USD
View
Price last confirmed 66 days ago
B
Retailer 19
-
$20,776 USD
View
B
Retailer 20
-
$21,396 USD
View
Retailer 21
-
$22,903 USD
View
Price under review
Most Expensive
Diamond Quarter
1.51VS1H74389DBFN · Nov 5
$25,765 USD
£20,287 GBP
View
Price under review
21 more retailers have this diamond
Prices start from $12,770 USDSave up to $8,626 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
$12,770 USD