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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 $894 AUD
SGD 847 SGD
As of October 31, 2026
Save $737 AUD (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,632 AUD 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 $894 to $1,632, a $737 spread on the same certified stone. Frank Darling lists it at $1,632. 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: $1,632 AUD|Low: $894 AUD|High: $1,693 AUD|Avg: $1,301 AUD|-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$894 AUD
Retailer 11$1,034 AUD
Retailer 3$1,074 AUD
Retailer 8$1,089 AUD
Retailer 4$1,151 AUD
Retailer 9$1,344 AUD
Retailer 6$1,386 AUD
Retailer 2$1,389 AUD
Retailer 10$1,447 AUD
Retailer 7$1,546 AUD
Frank Darling$1,632 AUD

45 data points across 11 retailers

12 retailers$894 AUD to $1,632 AUD

A
Cheapest Retailer
-
$894 AUD
SGD 847 SGD
A
Retailer 2
-
$1,034 AUD
SGD 979 SGD
View
Retailer 3
-
$1,074 AUD
$753 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$1,089 AUD
$763 USD
View
A
Retailer 5
-
$1,151 AUD
£635 GBP
View
B+
Retailer 6
-
$1,269 AUD
$889 USD
View
B+
Retailer 7
-
$1,344 AUD
$942 USD
View
B+
Retailer 8
-
$1,386 AUD
£765 GBP
View
B+
Retailer 9
-
$1,389 AUD
€927 EUR
View
B+
Retailer 10
-
$1,447 AUD
$1,014 USD
View
Retailer 11
-
$1,546 AUD
$1,083 USD
View
Price last confirmed 7 days ago
Most Expensive
B+
Frank Darling
2668909HK · Nov 2
$1,632 AUD
$1,143 USD
View
11 more retailers have this diamond
Prices start from $894 AUDSave up to $737 AUD

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
$894 AUD