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Oval|Natural|GIA

0.51ct G SI1 Oval Natural Diamond

GD • G/SI1 • GIA 2564733323

Certificate GIA 2564733323

Diamond specifications and retailer prices

From £314 GBP
₹40,074 INR
As of November 1, 2026
Save £619 GBP (66%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £933 GBP at MOH London · As of November 1, 2026
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 G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2564733323. Listed at 15 retailers as of November 1, 2026, with prices from £314 to £933, a £619 spread on the same certified stone. MOH London lists it at £933. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
G
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle39.8°
Pavilion angle39.9°
OriginNatural
Grading LabGIA
CertificateGIA 2564733323
Dimensions6.05 × 4.45 × 2.90 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizeNone
Top View
6.05 mm4.45 mm0.51 ctG / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2564733323
Side View
Table 61.0%Crown 39.8°Girdle: THN-VTKPavilion 39.9°Culet: NoneDepth 65.1%

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: Nov 1
Current: £933 GBP|Low: £314 GBP|High: £933 GBP|Avg: £484 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 8£314 GBP
Retailer 14£353 GBP
Retailer 6£372 GBP
Retailer 11£404 GBP
Retailer 5£438 GBP
Retailer 4£466 GBP
Retailer 13£503 GBP
Retailer 7£505 GBP
Retailer 12£510 GBP
Retailer 9£537 GBP
Retailer 10£552 GBP
Retailer 3£563 GBP
Retailer 2£570 GBP
MOH London£933 GBP

4 data points across 14 retailers

15 retailers£314 GBP to £933 GBP

A
Cheapest Retailer
-
£314 GBP
₹40,074 INR
B+
Retailer 2
-
£353 GBP
HK$3,700 HKD
View
B+
Retailer 3
-
£372 GBP
$499 USD
View
Final sale: no returns
B+
Retailer 4
-
£404 GBP
$541 USD
View
B+
Retailer 5
-
£415 GBP
A$855 AUD
View
B+
Retailer 6
-
£438 GBP
$587 USD
View
B+
Retailer 7
-
£466 GBP
$624 USD
View
B+
Retailer 8
-
£503 GBP
$674 USD
View
B+
Retailer 9
-
£505 GBP
View
B+
Retailer 10
-
£510 GBP
$683 USD
View
B+
Retailer 11
-
£537 GBP
$720 USD
View
B+
Retailer 12
-
£552 GBP
$740 USD
View
B+
Retailer 13
-
£563 GBP
$755 USD
View
B
Retailer 14
-
£570 GBP
€727 EUR
View
Most Expensive
C
MOH London
CC0EB0C7D · Nov 1
£933 GBP
View
14 more retailers have this diamond
Prices start from £314 GBPSave up to £619 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
£314 GBP