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Round|Natural|GIA

3.18ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2546098024

Certificate GIA 2546098024

Diamond specifications and retailer prices

From $27,438 NZD
As of November 4, 2026
Save $12,961 NZD (32%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $40,399 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 3.18ct natural round diamond

This 3.18ct 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 2546098024. Listed at 4 retailers as of November 4, 2026, with prices from $27,438 to $40,399, a $12,961 spread on the same certified stone. MOH London lists it at $40,399. 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

3.18
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle34°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2546098024
Dimensions9.48 × 9.52 × 5.77 mm
L/W Ratio1.00
Star length45%
Top View
9.48 mm9.52 mm3.18 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2546098024
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.7%

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 4
Current: $40,399 NZD|Low: $23,857 NZD|High: $40,995 NZD|Avg: $33,832 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 4, 2026
Retailer 3$27,438 NZD
Retailer 2$31,574 NZD
Retailer 4$36,745 NZD
MOH London$40,399 NZD

22 data points across 4 retailers

4 retailers$27,438 NZD to $40,399 NZD

A
Cheapest Retailer
-
$27,438 NZD
Final sale: no returns
A
Retailer 2
-
$31,574 NZD
View
B+
Retailer 3
-
$36,745 NZD
View
Most Expensive
B+
MOH London
2FF8BE13B · Nov 4
$40,399 NZD
£17,882 GBP
View
3 more retailers have this diamond
Prices start from $27,438 NZDSave up to $12,961 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
3.18ct Round
$27,438 NZD