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Round|Natural|GIA

0.66ct I I1 Round Natural Diamond

EX • I/I1 • GIA 6412176072

Certificate GIA 6412176072

Diamond specifications and retailer prices

From $421 SGD
₹31,328 INR
As of November 2, 2026
Save $1,782 SGD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,202 SGD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 0.66ct natural round diamond

This 0.66ct natural round sits in the half to three-quarter carat band, graded I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6412176072. Listed at 11 retailers as of November 2, 2026, with a 423% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.66
Carat
I
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6412176072
Dimensions5.61 × 5.65 × 3.41 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Top View
5.61 mm5.65 mm0.66 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6412176072
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.6%

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: Nov 2
Current: $421 SGD|Low: $420 SGD|High: $872 SGD|Avg: $666 SGD|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 1$421 SGD
Retailer 3$619 SGD
Retailer 4$633 SGD
Retailer 5$775 SGD
Retailer 2$867 SGD

44 data points across 5 retailers

11 retailers$421 SGD to $2,202 SGD

A
Cheapest Retailer
-
$421 SGD
₹31,328 INR
Retailer 2
-
$574 SGD
$449 USD
View
Price last confirmed 33 days ago
Retailer 3
-
$619 SGD
$484 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
$619 SGD
$484 USD
View
Retailer 5
-
$662 SGD
$518 USD
View
Price last confirmed 35 days ago
A
Retailer 6
-
$662 SGD
$518 USD
View
B+
Retailer 7
-
$775 SGD
$606 USD
View
B+
Retailer 8
-
$867 SGD
€646 EUR
View
B
Retailer 9
-
$2,202 SGD
$1,722 USD
View
Retailer 10
-
$2,202 SGD
$1,722 USD
View
Price last confirmed 11 days ago
Most Expensive
NZ Jewellers
a54fe174-82ca-4b59-bcc4-ddb650cd3fbd · Sep 28
$2,202 SGD
$1,722 USD
View
Price last confirmed 35 days ago
10 more retailers have this diamond
Prices start from $421 SGDSave up to $1,782 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
$421 SGD