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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 $2,953 USD
As of October 30, 2026
Save $3,553 USD (55%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,506 USD 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 $2,953 to $6,506, a $3,553 spread on the same certified stone. NZ Jewellers lists it at $6,506. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $6,506 USD|Low: $2,593 USD|High: $6,506 USD|Avg: $3,760 USD|+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
October 30, 2026
Retailer 6$2,625 USD
Retailer 5$2,953 USD
Retailer 3$3,032 USD
Retailer 4$3,152 USD
Retailer 14$3,383 USD
Retailer 11$3,416 USD
Retailer 9$3,427 USD
Retailer 2$3,488 USD
Retailer 12$3,513 USD
Retailer 10$3,567 USD
Retailer 13$3,904 USD
Retailer 7$4,171 USD
Retailer 8$6,340 USD
NZ Jewellers$6,506 USD

40 data points across 14 retailers

13 retailers$2,953 USD to $6,506 USD

A
Cheapest Retailer
-
$2,953 USD
A
Retailer 2
-
$3,032 USD
View
A
Retailer 3
-
$3,152 USD
View
Final sale: no returns
A
Retailer 4
-
$3,383 USD
View
A
Retailer 5
-
$3,416 USD
View
A
Retailer 6
-
$3,427 USD
View
A
Retailer 7
-
$3,488 USD
£2,747 GBP
View
A
Retailer 8
-
$3,513 USD
View
A
Retailer 9
-
$3,567 USD
View
A
Retailer 10
-
$3,904 USD
View
B+
Retailer 11
-
$4,171 USD
€3,972 EUR
View
B
Retailer 12
-
$6,340 USD
£4,992 GBP
View
Most Expensive
B
NZ Jewellers
51072c9b-ddcc-4ecb-a9ce-42999253959d · Oct 30
$6,506 USD
View
12 more retailers have this diamond
Prices start from $2,953 USDSave up to $3,553 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.

A
1.31ct Round
$2,953 USD