Oval|Natural|GIA

0.51ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 1523085563

Certificate GIA 1523085563

Diamond specifications and retailer prices

From $1,176 USD
£926 GBP
As of November 4, 2026
4 retailers carry this diamond
Most expensive: $1,176 USD at MOH London
View at MOH London

About this 0.51ct natural oval diamond

This 0.51ct natural oval sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1523085563. Listed at 4 retailers as of November 4, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.51
Carat
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1523085563
Dimensions6.64 × 4.49 × 2.73 mm
L/W Ratio1.48
Girdle conditionFaceted
Top View
6.64 mm4.49 mm0.51 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1523085563
Side View
Table 60.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 64.0%

Caratlytics Score

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B
Good
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Price History

Last verified: Nov 4
Current: $1,176 USD|Low: $521 USD|High: $1,193 USD|Avg: $757 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 4, 2026
Retailer 2$525 USD
Retailer 6$637 USD
Retailer 4$685 USD
Retailer 5$745 USD
Retailer 3$767 USD
MOH London$1,176 USD

15 data points across 6 retailers

4 retailers

Retailer 1
-
$525 USD
Price last confirmed 9 days ago
Retailer 2
-
$685 USD
View
Price last confirmed 7 days ago
Retailer 3
-
$767 USD
View
Price last confirmed 34 days ago
Most Expensive
B
MOH London
95B3B7602 · Nov 4
$1,176 USD
£926 GBP
View
3 more retailers have this diamond

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
0.51ct Oval
$1,176 USD