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0.65ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 3555556659

Certificate GIA 3555556659

Diamond specifications and retailer prices

From $994 SGD
$778 USD
As of October 31, 2026
Save $624 SGD (39%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,618 SGD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 0.65ct natural round diamond

This 0.65ct natural round sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3555556659. Listed at 13 retailers as of October 26, 2026, with prices from $994 to $1,618, a $624 spread on the same certified stone. Wholesale Diamonds Direct lists it at $1,618. 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

0.65
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 3555556659
Dimensions5.55 × 5.58 × 3.40 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.55 mm5.58 mm0.65 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555556659
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.1%

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: $1,153 SGD|Low: $994 SGD|High: $1,682 SGD|Avg: $1,301 SGD|-2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 2, 2026
Retailer 9$994 SGD
Retailer 2$1,082 SGD
Retailer 11$1,106 SGD
Retailer 6$1,109 SGD
Retailer 8$1,117 SGD
Retailer 1$1,153 SGD
Retailer 5$1,248 SGD
Retailer 7$1,413 SGD
Retailer 4$1,447 SGD
Retailer 10$1,516 SGD
Retailer 3$1,612 SGD
Wholesale Diamonds Direct$1,618 SGD

35 data points across 12 retailers

13 retailers$994 SGD to $1,618 SGD

A
Cheapest Retailer
-
$994 SGD
$778 USD
A
Retailer 2
-
$1,082 SGD
View
A
Retailer 3
-
$1,106 SGD
$865 USD
View
A
Retailer 4
-
$1,109 SGD
View
A
Retailer 5
-
$1,117 SGD
$874 USD
View
A
Retailer 6
-
$1,153 SGD
£710 GBP
View
A
Retailer 7
-
$1,248 SGD
$976 USD
View
B+
Retailer 8
-
$1,344 SGD
$1,051 USD
View
B+
Retailer 9
-
$1,413 SGD
£870 GBP
View
B+
Retailer 10
-
$1,447 SGD
€1,078 EUR
View
B+
Retailer 11
-
$1,516 SGD
$1,186 USD
View
B+
Retailer 12
-
$1,612 SGD
$1,261 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
262895344 · Oct 26
$1,618 SGD
$1,266 USD
View
12 more retailers have this diamond
Prices start from $994 SGDSave up to $624 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
0.65ct Round
$994 SGD