Round|Natural|GIA

0.66ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2241022762

Certificate GIA 2241022762

Diamond specifications and retailer prices

From $802 SGD
As of October 31, 2026
Save $661 SGD (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,462 SGD 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 $802 to $1,462, a $661 spread on the same certified stone. Frank Darling lists it at $1,462. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $1,462 SGD|Low: $802 SGD|High: $1,518 SGD|Avg: $1,166 SGD|-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$802 SGD
Retailer 11$927 SGD
Retailer 3$963 SGD
Retailer 8$976 SGD
Retailer 4$1,032 SGD
Retailer 9$1,205 SGD
Retailer 6$1,243 SGD
Retailer 2$1,245 SGD
Retailer 10$1,297 SGD
Retailer 7$1,385 SGD
Frank Darling$1,462 SGD

45 data points across 11 retailers

12 retailers$802 SGD to $1,462 SGD

A
Cheapest Retailer
-
$802 SGD
A
Retailer 2
-
$927 SGD
View
Retailer 3
-
$963 SGD
$753 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$976 SGD
$763 USD
View
A
Retailer 5
-
$1,032 SGD
£635 GBP
View
B+
Retailer 6
-
$1,137 SGD
$889 USD
View
B+
Retailer 7
-
$1,205 SGD
$942 USD
View
B+
Retailer 8
-
$1,243 SGD
£765 GBP
View
B+
Retailer 9
-
$1,245 SGD
€927 EUR
View
B+
Retailer 10
-
$1,297 SGD
$1,014 USD
View
Retailer 11
-
$1,385 SGD
$1,083 USD
View
Price last confirmed 7 days ago
Most Expensive
B+
Frank Darling
2668909HK · Nov 2
$1,462 SGD
$1,143 USD
View
11 more retailers have this diamond
Prices start from $802 SGDSave up to $661 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
0.66ct Round
$802 SGD