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Round|Natural|GIA

3.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 5231717601

Certificate GIA 5231717601

Diamond specifications and retailer prices

From $39,901 NZD
As of November 1, 2026
Save $32,053 NZD (45%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $71,953 NZD 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 $39,901 to $71,953, a $32,053 spread on the same certified stone. MOH London lists it at $71,953. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $71,953 NZD|Low: $39,901 NZD|High: $73,015 NZD|Avg: $49,666 NZD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4$39,901 NZD
Retailer 6$40,893 NZD
Retailer 5$41,559 NZD
Retailer 2$46,152 NZD
Retailer 3$55,614 NZD
MOH London$71,953 NZD

37 data points across 6 retailers

6 retailers$39,901 NZD to $71,953 NZD

A
Cheapest Retailer
-
$39,901 NZD
Retailer 2
-
$40,893 NZD
View
Price last confirmed 50 days ago
A
Retailer 3
-
$41,559 NZD
View
B+
Retailer 4
-
$46,152 NZD
View
B+
Retailer 5
-
$55,614 NZD
View
Most Expensive
B
MOH London
D7EE0F16A · Nov 4
$71,953 NZD
£31,849 GBP
View
5 more retailers have this diamond
Prices start from $39,901 NZDSave up to $32,053 NZD

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
$39,901 NZD