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Oval|Natural|GIA

0.51ct G SI2 Oval Natural Diamond

EX • G/SI2 • GIA 2477010323

Certificate GIA 2477010323

Diamond specifications and retailer prices

From £450 GBP
As of November 6, 2026
Save £267 GBP (37%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,531 GBP at NZ Jewellers · As of September 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 G 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 2477010323. Listed at 12 retailers as of November 2, 2026, with a 59% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2477010323
Dimensions6.28 × 4.59 × 2.83 mm
L/W Ratio1.37
Top View
6.28 mm4.59 mm0.51 ctG / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2477010323
Side View
Table 56.0%CrownGirdle: ThickPavilionCulet: NoneDepth 61.7%

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 6
Current: £592 GBP|Low: £412 GBP|High: £1,141 GBP|Avg: £643 GBP|+4.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7£450 GBP
Retailer 8£450 GBP
Retailer 4£468 GBP
Retailer 11£573 GBP
Retailer 9£583 GBP
Retailer 10£586 GBP
Retailer 1£592 GBP
Retailer 5£716 GBP
Retailer 2£740 GBP
Retailer 3£789 GBP
Retailer 6£1,133 GBP

41 data points across 11 retailers

12 retailers£450 GBP to £716 GBP

A
Cheapest Retailer
-
£450 GBP
Final sale: no returns
A
Retailer 2
-
£468 GBP
View
Retailer 3
-
£488 GBP
View
Price last confirmed 29 days ago
Retailer 4
-
£488 GBP
View
Price last confirmed 29 days ago
Retailer 5
-
£507 GBP
View
Price last confirmed 38 days ago
Retailer 6
-
£563 GBP
View
Price last confirmed 38 days ago
B+
Retailer 7
-
£583 GBP
View
B+
Retailer 8
-
£586 GBP
View
B+
Retailer 9
-
£592 GBP
View
B+
Retailer 10
-
£716 GBP
View
Retailer 11
-
£1,133 GBP
View
Price last confirmed 16 days ago
Most Expensive
NZ Jewellers
2cb90fb7-af68-4cbe-921b-9593e992ecdd · Sep 30
£1,531 GBP
$2,049 USD
View
Price last confirmed 37 days ago
11 more retailers have this diamond
Prices start from £450 GBPSave up to £267 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
£450 GBP