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Oval|Natural|GIA

0.51ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 1563634619

Certificate GIA 1563634619

Diamond specifications and retailer prices

From £196 GBP
$263 USD
As of October 29, 2026
Save £906 GBP (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,102 GBP 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 29, 2026, with prices from £196 to £1,102, a £906 spread on the same certified stone. NZ Jewellers lists it at £1,102. 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
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

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

Price History

Last verified: Oct 29
Current: £1,102 GBP|Low: £196 GBP|High: £1,102 GBP|Avg: £471 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 9£196 GBP
Retailer 4£213 GBP
Retailer 5£344 GBP
Retailer 2£375 GBP
Retailer 7£385 GBP
Retailer 8£405 GBP
Retailer 3£524 GBP
Retailer 6£667 GBP
NZ Jewellers£1,102 GBP

9 data points across 9 retailers

11 retailers£196 GBP to £1,102 GBP

A
Cheapest Retailer
-
£196 GBP
$263 USD
Final sale: no returns
A
Retailer 2
-
£213 GBP
₹27,165 INR
View
A
Retailer 3
-
£261 GBP
$350 USD
View
A
Retailer 4
-
£308 GBP
A$635 AUD
View
A
Retailer 5
-
£344 GBP
View
B+
Retailer 6
-
£375 GBP
View
B+
Retailer 7
-
£385 GBP
$516 USD
View
B+
Retailer 8
-
£405 GBP
$543 USD
View
B
Retailer 9
-
£524 GBP
€669 EUR
View
B
Retailer 10
-
£667 GBP
View
Most Expensive
C
NZ Jewellers
42ceb6c8-dc17-4839-8cc2-f7878c85428c · Oct 30
£1,102 GBP
$1,477 USD
View
10 more retailers have this diamond
Prices start from £196 GBPSave up to £906 GBP

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
£196 GBP