CaratHunter
Plans
Round|Natural|GIA

0.66ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6542345500

Certificate GIA 6542345500

Diamond specifications and retailer prices

From $669 CAD
SGD 647 SGD
As of October 31, 2026
Save $658 CAD (50%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,327 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6542345500. Listed at 8 retailers as of October 31, 2026, with prices from $669 to $1,327, a $658 spread on the same certified stone. Frank Darling lists it at $1,327. 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
G
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6542345500
Dimensions5.56 × 5.58 × 3.47 mm
L/W Ratio1.00
Top View
5.56 mm5.58 mm0.66 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542345500
Side View
Table 58.0%Crown 36.5°Girdle: THN-STKPavilion 41°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: $1,327 CAD|Low: $669 CAD|High: $1,401 CAD|Avg: $1,057 CAD|-5.3%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 5$669 CAD
Retailer 6$730 CAD
Retailer 4$948 CAD
Retailer 2$1,036 CAD
Retailer 3$1,056 CAD
Retailer 7$1,102 CAD
Retailer 8$1,264 CAD
Frank Darling$1,327 CAD

30 data points across 8 retailers

8 retailers$669 CAD to $1,327 CAD

A
Cheapest Retailer
-
$669 CAD
SGD 647 SGD
A
Retailer 2
-
$730 CAD
SGD 706 SGD
View
A
Retailer 3
-
$946 CAD
$677 USD
View
A
Retailer 4
-
$948 CAD
$679 USD
View
A
Retailer 5
-
$1,036 CAD
€706 EUR
View
A
Retailer 6
-
$1,056 CAD
£595 GBP
View
Retailer 7
-
$1,102 CAD
$788 USD
View
Price last confirmed 7 days ago
Most Expensive
A
Frank Darling
2571627HK · Nov 2
$1,327 CAD
$949 USD
View
7 more retailers have this diamond
Prices start from $669 CADSave up to $658 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
$669 CAD