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1.31ct G SI2 Round Natural Diamond

EX • G/SI2 • IGI 802616808

Shape and cutting style on the report: Round brilliant

Certificate IGI 802616808

Diamond specifications and retailer prices

From $5,240 NZD
$2,953 USD
As of October 30, 2026
Save $6,304 NZD (55%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $11,544 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.31ct natural round diamond

This 1.31ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 802616808. Listed at 13 retailers as of October 30, 2026, with prices from $5,240 to $11,544, a $6,304 spread on the same certified stone. NZ Jewellers lists it at $11,544. 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

1.31
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 802616808
Dimensions6.92 × 6.98 × 4.35 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.92 mm6.98 mm1.31 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 802616808
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.6%

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: Oct 30
Current: $11,544 NZD|Low: $4,602 NZD|High: $11,544 NZD|Avg: $6,643 NZD|+9.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 6$4,657 NZD
Retailer 5$5,240 NZD
Retailer 3$5,380 NZD
Retailer 4$5,593 NZD
Retailer 14$6,002 NZD
Retailer 11$6,061 NZD
Retailer 9$6,080 NZD
Retailer 7$6,171 NZD
Retailer 12$6,233 NZD
Retailer 10$6,329 NZD
Retailer 13$6,927 NZD
Retailer 2$7,756 NZD
Retailer 8$11,188 NZD
NZ Jewellers$11,544 NZD

39 data points across 14 retailers

13 retailers$5,240 NZD to $11,544 NZD

A
Cheapest Retailer
-
$5,240 NZD
$2,953 USD
A
Retailer 2
-
$5,380 NZD
$3,032 USD
View
A
Retailer 3
-
$5,593 NZD
$3,152 USD
View
Final sale: no returns
A
Retailer 4
-
$6,002 NZD
$3,383 USD
View
A
Retailer 5
-
$6,061 NZD
$3,416 USD
View
A
Retailer 6
-
$6,080 NZD
$3,427 USD
View
A
Retailer 7
-
$6,171 NZD
£2,739 GBP
View
A
Retailer 8
-
$6,233 NZD
$3,513 USD
View
A
Retailer 9
-
$6,329 NZD
$3,567 USD
View
A
Retailer 10
-
$6,927 NZD
$3,904 USD
View
B+
Retailer 11
-
$7,756 NZD
€4,163 EUR
View
B
Retailer 12
-
$11,188 NZD
£4,965 GBP
View
Most Expensive
B
NZ Jewellers
51072c9b-ddcc-4ecb-a9ce-42999253959d · Oct 30
$11,544 NZD
$6,506 USD
View
12 more retailers have this diamond
Prices start from $5,240 NZDSave up to $6,304 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
1.31ct Round
$5,240 NZD