Round|Natural|GIA

1.51ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 2426090092

Certificate GIA 2426090092

Diamond specifications and retailer prices

From $13,105 USD
As of November 4, 2026
Save $9,036 USD (41%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $23,475 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2426090092. Listed at 23 retailers as of November 1, 2026, with a 69% 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
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2426090092
Dimensions7.51 × 7.46 × 4.43 mm
L/W Ratio1.01
Top View
7.51 mm7.46 mm1.51 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2426090092
Side View
Table 61.0%CrownGirdle: MediumPavilionCulet: NoneDepth 59.3%

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: $23,475 USD|Low: $13,105 USD|High: $23,821 USD|Avg: $17,693 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 3$13,105 USD
Retailer 7$14,443 USD
Retailer 2$15,603 USD
Retailer 6$15,828 USD
Retailer 8$16,076 USD
Retailer 4$17,519 USD
Retailer 5$22,141 USD
MOH London$23,475 USD

44 data points across 8 retailers

23 retailers$13,105 USD to $22,141 USD

B+
Cheapest Retailer
-
$13,105 USD
B
Retailer 2
-
$13,788 USD
View
B
Retailer 3
-
$13,855 USD
View
B
Retailer 4
-
$14,116 USD
View
B
Retailer 5
-
$14,443 USD
View
Final sale: no returns
B
Retailer 6
-
$14,775 USD
View
B
Retailer 7
-
$15,071 USD
View
B
Retailer 8
-
$15,603 USD
View
Retailer 9
-
$15,828 USD
View
Price last confirmed 13 days ago
B
Retailer 10
-
$16,076 USD
View
Retailer 11
-
$16,327 USD
View
Price last confirmed 59 days ago
B
Retailer 12
-
$16,327 USD
View
Retailer 13
-
$16,955 USD
View
Price last confirmed 59 days ago
B
Retailer 14
-
$16,955 USD
View
B
Retailer 15
-
$16,980 USD
View
B
Retailer 16
-
$16,980 USD
View
B
Retailer 17
-
$17,505 USD
View
B
Retailer 18
-
$17,519 USD
View
B
Retailer 19
-
$17,550 USD
View
B
Retailer 20
-
$17,625 USD
View
B
Retailer 21
-
$21,351 USD
View
B
Retailer 22
-
$22,141 USD
View
Most Expensive
MOH London
656D94B9E · Nov 4
$23,475 USD
£18,484 GBP
View
Price under review
22 more retailers have this diamond
Prices start from $13,105 USDSave up to $9,036 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
$13,105 USD