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Round|Natural|GIA

0.66ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2241022762

Certificate GIA 2241022762

Diamond specifications and retailer prices

From $1,114 NZD
SGD 847 SGD
As of October 31, 2026
Save $918 NZD (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,032 NZD at Frank Darling · As of November 2, 2026
View at Frank Darling

About this 0.66ct natural round diamond

This 0.66ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2241022762. Listed at 12 retailers as of October 31, 2026, with prices from $1,114 to $2,032, a $918 spread on the same certified stone. Frank Darling lists it at $2,032. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2241022762
Dimensions5.54 × 3.46 × 3.46 mm
L/W Ratio1.60
Culet sizeNone
Top View
5.54 mm3.46 mm0.66 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2241022762
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

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: $2,032 NZD|Low: $1,114 NZD|High: $2,109 NZD|Avg: $1,620 NZD|-3.6%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 5$1,114 NZD
Retailer 11$1,288 NZD
Retailer 3$1,338 NZD
Retailer 8$1,356 NZD
Retailer 4$1,434 NZD
Retailer 9$1,674 NZD
Retailer 6$1,727 NZD
Retailer 2$1,730 NZD
Retailer 10$1,802 NZD
Retailer 7$1,925 NZD
Frank Darling$2,032 NZD

45 data points across 11 retailers

12 retailers$1,114 NZD to $2,032 NZD

A
Cheapest Retailer
-
$1,114 NZD
SGD 847 SGD
A
Retailer 2
-
$1,288 NZD
SGD 979 SGD
View
Retailer 3
-
$1,338 NZD
$753 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$1,356 NZD
$763 USD
View
A
Retailer 5
-
$1,434 NZD
£635 GBP
View
B+
Retailer 6
-
$1,580 NZD
$889 USD
View
B+
Retailer 7
-
$1,674 NZD
$942 USD
View
B+
Retailer 8
-
$1,727 NZD
£765 GBP
View
B+
Retailer 9
-
$1,730 NZD
€927 EUR
View
B+
Retailer 10
-
$1,802 NZD
$1,014 USD
View
Retailer 11
-
$1,925 NZD
$1,083 USD
View
Price last confirmed 7 days ago
Most Expensive
B+
Frank Darling
2668909HK · Nov 2
$2,032 NZD
$1,143 USD
View
11 more retailers have this diamond
Prices start from $1,114 NZDSave up to $918 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 Round
$1,114 NZD