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Round|Natural|GIA

3.13ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2231798139

Certificate GIA 2231798139

Diamond specifications and retailer prices

From $40,372 NZD
As of November 1, 2026
Save $31,739 NZD (44%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $72,112 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 3.13ct natural round diamond

This 3.13ct 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 2231798139. Listed at 5 retailers as of November 1, 2026, with prices from $40,372 to $72,112, a $31,739 spread on the same certified stone. MOH London lists it at $72,112. 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

3.13
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2231798139
Dimensions9.40 × 9.35 × 5.82 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Culet sizeNone
Key to symbols
Feather, Crystal, Needle, Cloud, Natural
Top View
9.40 mm9.35 mm3.13 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2231798139
Side View
Table 59.0%Crown 36°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 62.0%

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: $72,112 NZD|Low: $40,372 NZD|High: $73,176 NZD|Avg: $51,121 NZD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4$40,372 NZD
Retailer 5$42,943 NZD
Retailer 7$45,060 NZD
Retailer 2$46,253 NZD
Retailer 3$53,988 NZD
Retailer 6$55,605 NZD
MOH London$72,112 NZD

29 data points across 7 retailers

5 retailers$40,372 NZD to $72,112 NZD

A
Cheapest Retailer
-
$40,372 NZD
B+
Retailer 2
-
$42,943 NZD
View
B+
Retailer 3
-
$46,253 NZD
View
B
Retailer 4
-
$53,988 NZD
View
Most Expensive
B
MOH London
291BF3AF9 · Nov 4
$72,112 NZD
£31,919 GBP
View
4 more retailers have this diamond
Prices start from $40,372 NZDSave up to $31,739 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
3.13ct Round
$40,372 NZD