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Round|Natural|GIA

0.65ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 3555556659

Certificate GIA 3555556659

Diamond specifications and retailer prices

From $1,107 AUD
$778 USD
As of October 31, 2026
Save $695 AUD (39%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,802 AUD 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 $1,107 to $1,802, a $695 spread on the same certified stone. Wholesale Diamonds Direct lists it at $1,802. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $1,611 AUD|Low: $1,107 AUD|High: $1,873 AUD|Avg: $1,460 AUD|-4.0%
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$1,107 AUD
Retailer 2$1,205 AUD
Retailer 11$1,231 AUD
Retailer 6$1,235 AUD
Retailer 8$1,244 AUD
Retailer 5$1,284 AUD
Retailer 4$1,389 AUD
Retailer 7$1,573 AUD
Retailer 1$1,611 AUD
Retailer 10$1,688 AUD
Retailer 3$1,795 AUD
Wholesale Diamonds Direct$1,802 AUD

35 data points across 12 retailers

13 retailers$1,107 AUD to $1,802 AUD

A
Cheapest Retailer
-
$1,107 AUD
$778 USD
A
Retailer 2
-
$1,205 AUD
SGD 1,144 SGD
View
A
Retailer 3
-
$1,231 AUD
$865 USD
View
A
Retailer 4
-
$1,235 AUD
SGD 1,172 SGD
View
A
Retailer 5
-
$1,244 AUD
$874 USD
View
A
Retailer 6
-
$1,284 AUD
£710 GBP
View
A
Retailer 7
-
$1,389 AUD
$976 USD
View
B+
Retailer 8
-
$1,496 AUD
$1,051 USD
View
B+
Retailer 9
-
$1,573 AUD
£870 GBP
View
B+
Retailer 10
-
$1,611 AUD
€1,078 EUR
View
B+
Retailer 11
-
$1,688 AUD
$1,186 USD
View
B+
Retailer 12
-
$1,795 AUD
$1,261 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
262895344 · Oct 26
$1,802 AUD
$1,266 USD
View
12 more retailers have this diamond
Prices start from $1,107 AUDSave up to $695 AUD

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
$1,107 AUD