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Round|Natural|GIA

0.65ct K SI2 Round Natural Diamond

GD • K/SI2 • GIA 2239373720

Certificate GIA 2239373720

Diamond specifications and retailer prices

From $776 AUD
As of November 4, 2026
Save $603 AUD (44%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,379 AUD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

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 standard cut grade and certified by GIA 2239373720. Listed at 5 retailers as of November 4, 2026, with prices from $776 to $1,379, a $603 spread on the same certified stone. 77 Diamonds lists it at $1,379. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.65
Carat
K
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2239373720
Dimensions5.44 × 5.52 × 3.42 mm
L/W Ratio1.01
Top View
5.44 mm5.52 mm0.65 ctK / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2239373720
Side View
Table 65.0%CrownGirdle: MED-THKPavilionCulet: SmallDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,379 AUD|Low: $933 AUD|High: $1,399 AUD|Avg: $1,194 AUD|+0.8%
77 Diamonds
Retailer 2
Retailer 3
November 6, 2026
Retailer 3$943 AUD
Retailer 2$1,249 AUD
77 Diamonds$1,379 AUD

41 data points across 3 retailers

5 retailers$776 AUD to $1,379 AUD

B+
Cheapest Retailer
-
$776 AUD
B+
Retailer 2
-
$943 AUD
View
B
Retailer 3
-
$1,123 AUD
View
B
Retailer 4
-
$1,249 AUD
View
Most Expensive
B
77 Diamonds
RBMBAAKZZDJE · Nov 6
$1,379 AUD
£760 GBP
View
4 more retailers have this diamond
Prices start from $776 AUDSave up to $603 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.

B+
0.65ct Round
$776 AUD