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Oval|Natural|GIA

0.51ct H I1 Oval Natural Diamond

ID • H/I1 • GIA 6312474840

Certificate GIA 6312474840

Diamond specifications and retailer prices

From $720 SGD
$563 USD
As of October 31, 2026
Save $349 SGD (33%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,068 SGD at Yorxs · As of November 2, 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), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6312474840. Listed at 5 retailers as of October 31, 2026, with prices from $720 to $1,068, a $349 spread on the same certified stone. Yorxs lists it at $1,068. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
H
Colour
I1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6312474840
Dimensions6.82 × 4.55 × 2.63 mm
L/W Ratio1.50
Top View
6.82 mm4.55 mm0.51 ctH / I1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6312474840
Side View
Table 63.0%CrownGirdlePavilionCulet: NoneDepth 57.9%

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: $720 SGD|Low: $720 SGD|High: $1,092 SGD|Avg: $927 SGD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Yorxs
November 2, 2026
Retailer 1$720 SGD
Retailer 3$776 SGD
Retailer 4$802 SGD
Retailer 5$803 SGD
Retailer 2$831 SGD
Retailer 7$972 SGD
Retailer 8$981 SGD
Yorxs$1,068 SGD
Retailer 6$1,092 SGD

10 data points across 9 retailers

5 retailers$720 SGD to $1,068 SGD

B+
Cheapest Retailer
-
$720 SGD
$563 USD
B+
Retailer 2
-
$776 SGD
$607 USD
View
B+
Retailer 3
-
$802 SGD
HK$4,900 HKD
View
B+
Retailer 4
-
$831 SGD
$650 USD
View
Most Expensive
B
Yorxs
6BDFE1145 · Nov 2
$1,068 SGD
€796 EUR
View
4 more retailers have this diamond
Prices start from $720 SGDSave up to $349 SGD

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
$720 SGD