Round|Natural|GIA

3.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 5231717601

Certificate GIA 5231717601

Diamond specifications and retailer prices

From $22,430 USD
As of November 1, 2026
Save $18,018 USD (45%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $40,448 USD at MOH London · As of November 4, 2026
View at MOH London

About this 3.5ct natural round diamond

This 3.5ct 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 5231717601. Listed at 6 retailers as of November 1, 2026, with prices from $22,430 to $40,448, a $18,018 spread on the same certified stone. MOH London lists it at $40,448. 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

3.50
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5231717601
Dimensions9.69 × 9.61 × 6.10 mm
L/W Ratio1.01
Top View
9.69 mm9.61 mm3.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231717601
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.2%

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 1
Current: $40,448 USD|Low: $22,430 USD|High: $41,045 USD|Avg: $27,919 USD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4$22,430 USD
Retailer 6$22,988 USD
Retailer 5$23,362 USD
Retailer 2$25,944 USD
Retailer 3$31,263 USD
MOH London$40,448 USD

37 data points across 6 retailers

6 retailers$22,430 USD to $40,448 USD

A
Cheapest Retailer
-
$22,430 USD
Retailer 2
-
$22,988 USD
View
Price last confirmed 50 days ago
A
Retailer 3
-
$23,362 USD
View
B+
Retailer 4
-
$25,944 USD
View
B+
Retailer 5
-
$31,263 USD
View
Most Expensive
B
MOH London
D7EE0F16A · Nov 4
$40,448 USD
£31,849 GBP
View
5 more retailers have this diamond
Prices start from $22,430 USDSave up to $18,018 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
3.50ct Round
$22,430 USD