Round|Natural|GIA

0.65ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 3555556659

Certificate GIA 3555556659

Diamond specifications and retailer prices

From $778 USD
As of October 31, 2026
Save $488 USD (39%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,266 USD 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 $778 to $1,266, a $488 spread on the same certified stone. Wholesale Diamonds Direct lists it at $1,266. 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
Color
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: $902 USD|Low: $778 USD|High: $1,316 USD|Avg: $1,026 USD|-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 1, 2026
Retailer 9$778 USD
Retailer 2$847 USD
Retailer 11$865 USD
Retailer 6$867 USD
Retailer 8$874 USD
Retailer 1$902 USD
Retailer 4$976 USD
Retailer 7$1,105 USD
Retailer 5$1,139 USD
Retailer 10$1,186 USD
Retailer 3$1,261 USD
Wholesale Diamonds Direct$1,266 USD

35 data points across 12 retailers

13 retailers$778 USD to $1,266 USD

A
Cheapest Retailer
-
$778 USD
A
Retailer 2
-
$847 USD
SGD 1,144 SGD
View
A
Retailer 3
-
$865 USD
View
A
Retailer 4
-
$867 USD
SGD 1,172 SGD
View
A
Retailer 5
-
$874 USD
View
A
Retailer 6
-
$902 USD
£710 GBP
View
A
Retailer 7
-
$976 USD
View
B+
Retailer 8
-
$1,051 USD
View
B+
Retailer 9
-
$1,105 USD
£870 GBP
View
B+
Retailer 10
-
$1,139 USD
€1,085 EUR
View
B+
Retailer 11
-
$1,186 USD
View
B+
Retailer 12
-
$1,261 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
262895344 · Oct 26
$1,266 USD
View
12 more retailers have this diamond
Prices start from $778 USDSave up to $488 USD

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
$778 USD