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Oval|Natural|GIA

0.51ct H I1 Oval Natural Diamond

H/I1 • GIA 6552331525

Certificate GIA 6552331525

Diamond specifications and retailer prices

From £440 GBP
$589 USD
As of October 31, 2026
Save £210 GBP (32%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £650 GBP at Yorxs · As of October 31, 2026
View at Yorxs

About this 0.51ct natural oval diamond

This 0.51ct natural oval sits in the half to three-quarter carat band, graded H colour (near-colourless) and I1 clarity (included) and certified by GIA 6552331525. Listed at 4 retailers as of October 31, 2026, with prices from £440 to £650, a £210 spread on the same certified stone. Yorxs lists it at £650. 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
H
Colour
I1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552331525
Dimensions6.21 × 4.49 × 2.84 mm
L/W Ratio1.38
Culet sizeNone
Key to symbols
Feather
Top View
6.21 mm4.49 mm0.51 ctH / I1
OriginNatural
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552331525
Side View
Table 61.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 63.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £440 GBP|Low: £440 GBP|High: £710 GBP|Avg: £606 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Yorxs
October 31, 2026
Retailer 1£440 GBP
Retailer 4£485 GBP
Retailer 2£507 GBP
Retailer 3£540 GBP
Yorxs£650 GBP
Retailer 5£669 GBP
Retailer 6£710 GBP

14 data points across 7 retailers

4 retailers£440 GBP to £650 GBP

B+
Cheapest Retailer
-
£440 GBP
$589 USD
B
Retailer 2
-
£507 GBP
$679 USD
View
B
Retailer 3
-
£540 GBP
$723 USD
View
Most Expensive
B
Yorxs
7C4070CEA · Oct 31
£650 GBP
€829 EUR
View
3 more retailers have this diamond
Prices start from £440 GBPSave up to £210 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.

B+
0.51ct Oval
£440 GBP