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Oval|Natural|GIA

0.66ct F SI2 Oval Natural Diamond

EX • F/SI2 • GIA 7566579428

Certificate GIA 7566579428

Diamond specifications and retailer prices

From $1,318 NZD
$741 USD
As of October 31, 2026
Save $856 NZD (39%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,174 NZD at Frank Darling · As of November 2, 2026
View at Frank Darling

About this 0.66ct natural oval diamond

This 0.66ct 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 7566579428. Listed at 11 retailers as of October 31, 2026, with prices from $1,318 to $2,174, a $856 spread on the same certified stone. Frank Darling lists it at $2,174. 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

0.66
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle38.33°
Pavilion angle40.07°
OriginNatural
Grading LabGIA
CertificateGIA 7566579428
Dimensions6.80 × 4.89 × 3.05 mm
L/W Ratio1.39
Culet sizeNone
Top View
6.80 mm4.89 mm0.66 ctF / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7566579428
Side View
Table 58.0%Crown 38.33°Girdle: THN-THKPavilion 40.07°Culet: NoneDepth 62.3%

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: Oct 31
Current: $2,174 NZD|Low: $1,318 NZD|High: $2,174 NZD|Avg: $1,695 NZD
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 10$1,318 NZD
Retailer 5$1,431 NZD
Retailer 9$1,436 NZD
Retailer 8$1,466 NZD
Retailer 3$1,593 NZD
Retailer 4$1,653 NZD
Retailer 7$1,658 NZD
Retailer 2$1,928 NZD
Retailer 6$2,147 NZD
Frank Darling$2,174 NZD

17 data points across 10 retailers

11 retailers$1,318 NZD to $2,174 NZD

A
Cheapest Retailer
-
$1,318 NZD
$741 USD
A
Retailer 2
-
$1,386 NZD
SGD 1,054 SGD
View
A
Retailer 3
-
$1,431 NZD
$805 USD
View
A
Retailer 4
-
$1,436 NZD
SGD 1,092 SGD
View
A
Retailer 5
-
$1,466 NZD
$825 USD
View
B+
Retailer 6
-
$1,593 NZD
£706 GBP
View
B+
Retailer 7
-
$1,653 NZD
$930 USD
View
B+
Retailer 8
-
$1,658 NZD
$933 USD
View
B+
Retailer 9
-
$1,928 NZD
€1,033 EUR
View
B+
Retailer 10
-
$2,147 NZD
$1,208 USD
View
Most Expensive
B
Frank Darling
2702948HK · Nov 2
$2,174 NZD
$1,223 USD
View
10 more retailers have this diamond
Prices start from $1,318 NZDSave up to $856 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
0.66ct Oval
$1,318 NZD