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Oval|Natural|GIA

0.51ct F SI2 Oval Natural Diamond

EX • F/SI2 • GIA 1568300963

Certificate GIA 1568300963

Diamond specifications and retailer prices

From $949 NZD
As of November 4, 2026
Save $772 NZD (45%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,721 NZD at Frank Darling · As of November 4, 2026
View at Frank Darling

About this 0.51ct natural oval diamond

This 0.51ct natural oval sits in the half to three-quarter carat band, graded F 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 1568300963. Listed at 8 retailers as of November 4, 2026, with prices from $949 to $1,721, a $772 spread on the same certified stone. Frank Darling lists it at $1,721. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.43°
Pavilion angle40.37°
OriginNatural
Grading LabGIA
CertificateGIA 1568300963
Dimensions6.27 × 4.51 × 2.76 mm
L/W Ratio1.39
Culet sizeNone
Top View
6.27 mm4.51 mm0.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1568300963
Side View
Table 61.0%Crown 39.43°Girdle: MED-VTKPavilion 40.37°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,721 NZD|Low: $949 NZD|High: $1,798 NZD|Avg: $1,260 NZD|-4.3%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 6$949 NZD
Retailer 8$956 NZD
Retailer 2$983 NZD
Retailer 3$1,149 NZD
Retailer 5$1,234 NZD
Retailer 4$1,348 NZD
Retailer 7$1,430 NZD
Frank Darling$1,721 NZD

42 data points across 8 retailers

8 retailers$949 NZD to $1,721 NZD

A
Cheapest Retailer
-
$949 NZD
A
Retailer 2
-
$956 NZD
View
A
Retailer 3
-
$983 NZD
View
A
Retailer 4
-
$1,149 NZD
View
A
Retailer 5
-
$1,234 NZD
View
B+
Retailer 6
-
$1,348 NZD
View
B+
Retailer 7
-
$1,430 NZD
View
Most Expensive
B+
Frank Darling
2686814HK · Nov 4
$1,721 NZD
$954 USD
View
7 more retailers have this diamond
Prices start from $949 NZDSave up to $772 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
$949 NZD