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Oval|Natural|GIA

0.51ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 6371399705

Certificate GIA 6371399705

Diamond specifications and retailer prices

From $361 USD
₹34,376 INR
As of November 1, 2026
Save $435 USD (55%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $796 USD at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6371399705. Listed at 3 retailers as of November 1, 2026, with prices from $361 to $796, a $435 spread on the same certified stone. 77 Diamonds lists it at $796. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6371399705
Dimensions6.24 × 4.38 × 2.82 mm
L/W Ratio1.42
Top View
6.24 mm4.38 mm0.51 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6371399705
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $796 USD|Low: $360 USD|High: $798 USD|Avg: $594 USD|+2.2%
77 Diamonds
Retailer 2
Retailer 3
November 1, 2026
Retailer 2$361 USD
Retailer 3$628 USD
77 Diamonds$796 USD

43 data points across 3 retailers

3 retailers$361 USD to $796 USD

A
Cheapest Retailer
-
$361 USD
₹34,376 INR
B
Retailer 2
-
$628 USD
View
Most Expensive
B
77 Diamonds
OVCPDQCXSU7N · Nov 1
$796 USD
£627 GBP
View
2 more retailers have this diamond
Prices start from $361 USDSave up to $435 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.

A
0.51ct Oval
$361 USD