Round|Natural|GIA

0.65ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6243098003

Certificate GIA 6243098003

Diamond specifications and retailer prices

From $521 USD
As of November 5, 2026
Save $447 USD (46%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $968 USD 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 $521 to $968, a $447 spread on the same certified stone. Frank Darling lists it at $968. 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
Color
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: $968 USD|Low: $520 USD|High: $1,002 USD|Avg: $751 USD|-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$521 USD
Retailer 8$539 USD
Retailer 3$560 USD
Retailer 4$627 USD
Retailer 7$659 USD
Retailer 11$724 USD
Retailer 5$781 USD
Retailer 9$787 USD
Retailer 2$794 USD
Retailer 10$829 USD
Frank Darling$968 USD

22 data points across 11 retailers

11 retailers$521 USD to $968 USD

A
Cheapest Retailer
-
$521 USD
A
Retailer 2
-
$539 USD
View
A
Retailer 3
-
$560 USD
View
A
Retailer 4
-
$627 USD
View
A
Retailer 5
-
$659 USD
View
B+
Retailer 6
-
$724 USD
View
B+
Retailer 7
-
$781 USD
View
B+
Retailer 8
-
$787 USD
View
B+
Retailer 9
-
$794 USD
View
B+
Retailer 10
-
$829 USD
View
Most Expensive
B+
Frank Darling
2706055HK · Nov 6
$968 USD
View
10 more retailers have this diamond
Prices start from $521 USDSave up to $447 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
$521 USD