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Oval|Natural|GIA

0.51ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 2567308159

Certificate GIA 2567308159

Diamond specifications and retailer prices

From $493 SGD
As of November 1, 2026
Save $1,606 SGD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,099 SGD at NZ Jewellers · As of November 5, 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 H 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 2567308159. Listed at 14 retailers as of November 1, 2026, with prices from $493 to $2,099, a $1,606 spread on the same certified stone. NZ Jewellers lists it at $2,099. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2567308159
Dimensions6.35 × 4.46 × 2.85 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal
Top View
6.35 mm4.46 mm0.51 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2567308159
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 64.0%

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: $2,099 SGD|Low: $492 SGD|High: $2,099 SGD|Avg: $895 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7$493 SGD
Retailer 3$616 SGD
Retailer 10$669 SGD
Retailer 12$686 SGD
Retailer 8$722 SGD
Retailer 9$722 SGD
Retailer 11$773 SGD
Retailer 4$809 SGD
Retailer 5$830 SGD
Retailer 2$993 SGD
Retailer 6$1,546 SGD
NZ Jewellers$2,099 SGD

39 data points across 12 retailers

14 retailers$493 SGD to $2,099 SGD

A
Cheapest Retailer
-
$493 SGD
A
Retailer 2
-
$546 SGD
View
A
Retailer 3
-
$616 SGD
View
Final sale: no returns
A
Retailer 4
-
$669 SGD
View
A
Retailer 5
-
$686 SGD
View
A
Retailer 6
-
$722 SGD
View
Retailer 7
-
$722 SGD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$773 SGD
View
B+
Retailer 9
-
$830 SGD
View
B+
Retailer 10
-
$848 SGD
View
B+
Retailer 11
-
$900 SGD
View
B+
Retailer 12
-
$993 SGD
View
B
Retailer 13
-
$1,546 SGD
View
Most Expensive
B
NZ Jewellers
d4aaebf6-6ba7-45ed-bc08-bb071ebcd627 · Nov 5
$2,099 SGD
$1,638 USD
View
13 more retailers have this diamond
Prices start from $493 SGDSave up to $1,606 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.

A
0.51ct Oval
$493 SGD