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Oval|Natural|GIA

0.51ct D SI2 Oval Natural Diamond

ID • D/SI2 • GIA 1232839979

Certificate GIA 1232839979

Diamond specifications and retailer prices

From $1,156 NZD
As of November 6, 2026
Save $2,776 NZD (71%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,933 NZD 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1232839979. Listed at 10 retailers as of November 5, 2026, with prices from $1,156 to $3,933, a $2,776 spread on the same certified stone. NZ Jewellers lists it at $3,933. 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
D
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1232839979
Dimensions6.08 × 4.46 × 2.82 mm
L/W Ratio1.36
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
6.08 mm4.46 mm0.51 ctD / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1232839979
Side View
Table 58.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 63.2%

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: $3,933 NZD|Low: $1,156 NZD|High: $3,933 NZD|Avg: $1,788 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10$1,156 NZD
Retailer 6$1,254 NZD
Retailer 8$1,254 NZD
Retailer 9$1,302 NZD
Retailer 7$1,447 NZD
Retailer 2$1,488 NZD
Retailer 3$1,522 NZD
Retailer 5$1,782 NZD
Retailer 4$2,890 NZD
NZ Jewellers$3,933 NZD

35 data points across 10 retailers

10 retailers$1,156 NZD to $3,933 NZD

A
Cheapest Retailer
-
$1,156 NZD
Final sale: no returns
Retailer 2
-
$1,254 NZD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$1,254 NZD
View
A
Retailer 4
-
$1,302 NZD
View
B+
Retailer 5
-
$1,447 NZD
View
B+
Retailer 6
-
$1,488 NZD
View
B+
Retailer 7
-
$1,522 NZD
View
B+
Retailer 8
-
$1,782 NZD
View
B
Retailer 9
-
$2,890 NZD
View
Most Expensive
B
NZ Jewellers
d41d7d21-49b4-4767-8e36-3d4227f7abbf · Nov 5
$3,933 NZD
$2,180 USD
View
9 more retailers have this diamond
Prices start from $1,156 NZDSave up to $2,776 NZD

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
$1,156 NZD