Round|Natural|GIA

3.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1565567540

Certificate GIA 1565567540

Diamond specifications and retailer prices

From $26,105 USD
As of November 4, 2026
Save $14,583 USD (36%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $40,688 USD at MOH London · As of November 2, 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 1565567540. Listed at 9 retailers as of November 2, 2026, with prices from $26,105 to $40,688, a $14,583 spread on the same certified stone. MOH London lists it at $40,688. 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 angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1565567540
Dimensions9.59 × 9.65 × 6.03 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
9.59 mm9.65 mm3.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565567540
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.6%

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: $40,688 USD|Low: $26,105 USD|High: $41,526 USD|Avg: $31,081 USD|-2.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5$26,105 USD
Retailer 6$27,138 USD
Retailer 7$27,965 USD
Retailer 3$28,914 USD
Retailer 4$28,940 USD
Retailer 8$30,195 USD
Retailer 9$31,153 USD
Retailer 2$35,992 USD
MOH London$40,688 USD

18 data points across 9 retailers

9 retailers$26,105 USD to $40,688 USD

B+
Cheapest Retailer
-
$26,105 USD
B+
Retailer 2
-
$27,138 USD
View
B+
Retailer 3
-
$27,965 USD
View
B+
Retailer 4
-
$28,914 USD
View
B+
Retailer 5
-
$28,940 USD
View
B+
Retailer 6
-
$30,195 USD
View
B+
Retailer 7
-
$31,153 USD
View
B+
Retailer 8
-
$35,992 USD
View
Most Expensive
B
MOH London
EFDB08D57 · Nov 2
$40,688 USD
£32,038 GBP
View
8 more retailers have this diamond
Prices start from $26,105 USDSave up to $14,583 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.

B+
3.50ct Round
$26,105 USD