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0.66ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 7561043179

Certificate GIA 7561043179

Diamond specifications and retailer prices

From $798 CAD
SGD 772 SGD
As of October 31, 2026
Save $698 CAD (47%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,496 CAD 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 7561043179. Listed at 10 retailers as of October 31, 2026, with prices from $798 to $1,496, a $698 spread on the same certified stone. Frank Darling lists it at $1,496. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 7561043179
Dimensions5.58 × 5.59 × 3.49 mm
L/W Ratio1.00
Culet sizeNone
Top View
5.58 mm5.59 mm0.66 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7561043179
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.6%

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: $1,496 CAD|Low: $581 CAD|High: $1,532 CAD|Avg: $1,122 CAD|-2.3%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 3$581 CAD
Retailer 5$798 CAD
Retailer 11$906 CAD
Retailer 4$922 CAD
Retailer 10$1,080 CAD
Retailer 8$1,178 CAD
Retailer 6$1,251 CAD
Retailer 2$1,262 CAD
Retailer 9$1,267 CAD
Retailer 7$1,362 CAD
Frank Darling$1,496 CAD

31 data points across 11 retailers

10 retailers$798 CAD to $1,496 CAD

A
Cheapest Retailer
-
$798 CAD
SGD 772 SGD
A
Retailer 2
-
$906 CAD
SGD 876 SGD
View
A
Retailer 3
-
$922 CAD
$660 USD
View
A
Retailer 4
-
$1,080 CAD
$773 USD
View
A
Retailer 5
-
$1,178 CAD
$843 USD
View
B+
Retailer 6
-
$1,251 CAD
£705 GBP
View
B+
Retailer 7
-
$1,262 CAD
€860 EUR
View
B+
Retailer 8
-
$1,267 CAD
$907 USD
View
Retailer 9
-
$1,362 CAD
$974 USD
View
Price last confirmed 7 days ago
Most Expensive
B+
Frank Darling
2678782HK · Nov 2
$1,496 CAD
$1,071 USD
View
9 more retailers have this diamond
Prices start from $798 CADSave up to $698 CAD

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
$798 CAD