Oval|Natural|GIA

0.51ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 1563634619

Certificate GIA 1563634619

Diamond specifications and retailer prices

From $263 USD
As of October 31, 2026
Save $1,214 USD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,477 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 1563634619. Listed at 11 retailers as of October 30, 2026, with prices from $263 to $1,477, a $1,214 spread on the same certified stone. NZ Jewellers lists it at $1,477. 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
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1563634619
Dimensions6.31 × 4.40 × 2.80 mm
L/W Ratio1.43
Girdle conditionVery Thick
Top View
6.31 mm4.40 mm0.51 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1563634619
Side View
Table 62.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 63.6%

Caratlytics Score

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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: Oct 31
Current: $1,477 USD|Low: $263 USD|High: $1,477 USD|Avg: $630 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 9$263 USD
Retailer 2$284 USD
Retailer 3$460 USD
Retailer 4$498 USD
Retailer 7$516 USD
Retailer 8$543 USD
Retailer 6$702 USD
Retailer 5$890 USD
NZ Jewellers$1,477 USD

10 data points across 9 retailers

11 retailers$263 USD to $1,477 USD

A
Cheapest Retailer
-
$263 USD
Final sale: no returns
A
Retailer 2
-
$284 USD
₹27,064 INR
View
A
Retailer 3
-
$350 USD
View
A
Retailer 4
-
$413 USD
A$635 AUD
View
A
Retailer 5
-
$460 USD
£362 GBP
View
B+
Retailer 6
-
$498 USD
£392 GBP
View
B+
Retailer 7
-
$516 USD
View
B+
Retailer 8
-
$543 USD
View
B
Retailer 9
-
$702 USD
€669 EUR
View
B
Retailer 10
-
$890 USD
£701 GBP
View
Most Expensive
C
NZ Jewellers
42ceb6c8-dc17-4839-8cc2-f7878c85428c · Oct 30
$1,477 USD
View
10 more retailers have this diamond
Prices start from $263 USDSave up to $1,214 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
$263 USD