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Round|Natural|GIA

0.65ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6243098003

Certificate GIA 6243098003

Diamond specifications and retailer prices

From $744 AUD
As of November 5, 2026
Save $638 AUD (46%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,382 AUD at Frank Darling · As of November 6, 2026
View at Frank Darling

About this 0.65ct natural round diamond

This 0.65ct natural round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6243098003. Listed at 11 retailers as of November 5, 2026, with prices from $744 to $1,382, a $638 spread on the same certified stone. Frank Darling lists it at $1,382. 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6243098003
Dimensions5.52 × 5.55 × 3.45 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.52 mm5.55 mm0.65 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6243098003
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.4%

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 5
Current: $1,382 AUD|Low: $743 AUD|High: $1,431 AUD|Avg: $1,073 AUD|-3.4%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6$744 AUD
Retailer 8$770 AUD
Retailer 3$800 AUD
Retailer 4$896 AUD
Retailer 7$941 AUD
Retailer 11$1,034 AUD
Retailer 5$1,116 AUD
Retailer 9$1,124 AUD
Retailer 2$1,134 AUD
Retailer 10$1,184 AUD
Frank Darling$1,382 AUD

22 data points across 11 retailers

11 retailers$744 AUD to $1,382 AUD

A
Cheapest Retailer
-
$744 AUD
A
Retailer 2
-
$770 AUD
View
A
Retailer 3
-
$800 AUD
View
A
Retailer 4
-
$896 AUD
View
A
Retailer 5
-
$941 AUD
View
B+
Retailer 6
-
$1,034 AUD
View
B+
Retailer 7
-
$1,116 AUD
View
B+
Retailer 8
-
$1,124 AUD
View
B+
Retailer 9
-
$1,134 AUD
View
B+
Retailer 10
-
$1,184 AUD
View
Most Expensive
B+
Frank Darling
2706055HK · Nov 6
$1,382 AUD
$968 USD
View
10 more retailers have this diamond
Prices start from $744 AUDSave up to $638 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
$744 AUD