Round|Natural|GIA

3.28ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6535487768

Certificate GIA 6535487768

Diamond specifications and retailer prices

From $22,259 USD
As of November 6, 2026
Save $14,007 USD (39%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $36,266 USD at MOH London · As of November 4, 2026
View at MOH London

About this 3.28ct natural round diamond

This 3.28ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6535487768. Listed at 12 retailers as of November 4, 2026, with prices from $22,259 to $36,266, a $14,007 spread on the same certified stone. MOH London lists it at $36,266. 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

3.28
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6535487768
Dimensions9.50 × 9.44 × 5.89 mm
L/W Ratio1.01
Star length50%
Top View
9.50 mm9.44 mm3.28 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6535487768
Side View
Table 57.0%Crown 35.5°Girdle: MED-SLIPavilion 40.8°Culet: NoneDepth 62.2%

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: Nov 6
Current: $36,266 USD|Low: $22,156 USD|High: $38,005 USD|Avg: $26,508 USD|+6.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9$22,259 USD
Retailer 2$23,341 USD
Retailer 3$23,955 USD
Retailer 11$24,116 USD
Retailer 8$24,216 USD
Retailer 5$24,595 USD
Retailer 4$27,279 USD
Retailer 7$27,433 USD
Retailer 10$27,730 USD
Retailer 6$28,302 USD
MOH London$36,266 USD

29 data points across 11 retailers

12 retailers$22,259 USD to $36,266 USD

A
Cheapest Retailer
-
$22,259 USD
A
Retailer 2
-
$23,341 USD
View
A
Retailer 3
-
$24,216 USD
View
B+
Retailer 4
-
$24,595 USD
View
Retailer 5
-
$26,125 USD
View
Price last confirmed 45 days ago
Retailer 6
-
$27,130 USD
View
Price last confirmed 45 days ago
B+
Retailer 7
-
$27,279 USD
View
B+
Retailer 8
-
$27,433 USD
View
Retailer 9
-
$27,730 USD
View
Price last confirmed 42 days ago
B+
Retailer 10
-
$28,302 USD
View
Retailer 11
-
$30,951 USD
View
Price last confirmed 42 days ago
Most Expensive
B
MOH London
75F4F6B9A · Nov 4
$36,266 USD
£28,556 GBP
View
11 more retailers have this diamond
Prices start from $22,259 USDSave up to $14,007 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
3.28ct Round
$22,259 USD