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Oval|Natural|GIA

0.51ct I SI2 Oval Natural Diamond

EX • I/SI2 • GIA 7562565947

Certificate GIA 7562565947

Diamond specifications and retailer prices

From £246 GBP
$329 USD
As of October 31, 2026
Save £1,114 GBP (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,359 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 I 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 7562565947. Listed at 10 retailers as of October 30, 2026, with prices from £246 to £1,359, a £1,114 spread on the same certified stone. NZ Jewellers lists it at £1,359. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7562565947
Dimensions6.23 × 4.38 × 2.77 mm
L/W Ratio1.42
Girdle conditionThick
Top View
6.23 mm4.38 mm0.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7562565947
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 63.3%

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 31
Current: £1,359 GBP|Low: £246 GBP|High: £1,359 GBP|Avg: £532 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 10£246 GBP
Retailer 2£263 GBP
Retailer 7£325 GBP
Retailer 3£423 GBP
Retailer 4£442 GBP
Retailer 8£452 GBP
Retailer 9£463 GBP
Retailer 5£534 GBP
Retailer 6£820 GBP
NZ Jewellers£1,359 GBP

16 data points across 10 retailers

10 retailers£246 GBP to £1,359 GBP

A
Cheapest Retailer
-
£246 GBP
$329 USD
Final sale: no returns
A
Retailer 2
-
£263 GBP
₹33,617 INR
View
A
Retailer 3
-
£325 GBP
$435 USD
View
A
Retailer 4
-
£423 GBP
View
B+
Retailer 5
-
£442 GBP
View
B+
Retailer 6
-
£452 GBP
$606 USD
View
B+
Retailer 7
-
£463 GBP
$620 USD
View
B+
Retailer 8
-
£534 GBP
€682 EUR
View
B
Retailer 9
-
£820 GBP
View
Most Expensive
B
NZ Jewellers
53dd101b-2698-41c2-b4d3-46e871e8527e · Oct 30
£1,359 GBP
$1,821 USD
View
9 more retailers have this diamond
Prices start from £246 GBPSave up to £1,114 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
£246 GBP