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Oval|Natural|GIA

0.51ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 1523085563

Certificate GIA 1523085563

Diamond specifications and retailer prices

From £876 GBP
As of November 7, 2026
4 retailers carry this diamond
Most expensive: £876 GBP 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 7, 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
Colour
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
Decent quality, room for better deals
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Price History

Last verified: Nov 7
Current: £876 GBP|Low: £389 GBP|High: £891 GBP|Avg: £566 GBP|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 7, 2026
Retailer 2£392 GBP
Retailer 6£476 GBP
Retailer 4£512 GBP
Retailer 5£557 GBP
Retailer 3£573 GBP
MOH London£876 GBP

16 data points across 6 retailers

4 retailers

Retailer 1
-
£392 GBP
Price last confirmed 10 days ago
Retailer 2
-
£512 GBP
View
Price last confirmed 8 days ago
Retailer 3
-
£573 GBP
View
Price last confirmed 35 days ago
Most Expensive
B
MOH London
95B3B7602 · Nov 7
£876 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
£876 GBP