CaratHunter
Plans
Round|Natural|IGI

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 $3,775 SGD
$2,953 USD
As of October 30, 2026
Save $4,542 SGD (55%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,317 SGD 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 $3,775 to $8,317, a $4,542 spread on the same certified stone. NZ Jewellers lists it at $8,317. 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: $8,317 SGD|Low: $3,315 SGD|High: $8,317 SGD|Avg: $4,787 SGD|+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$3,355 SGD
Retailer 5$3,775 SGD
Retailer 3$3,876 SGD
Retailer 4$4,030 SGD
Retailer 14$4,325 SGD
Retailer 11$4,367 SGD
Retailer 9$4,381 SGD
Retailer 7$4,446 SGD
Retailer 12$4,491 SGD
Retailer 10$4,560 SGD
Retailer 13$4,991 SGD
Retailer 2$5,588 SGD
Retailer 8$8,061 SGD
NZ Jewellers$8,317 SGD

39 data points across 14 retailers

13 retailers$3,775 SGD to $8,317 SGD

A
Cheapest Retailer
-
$3,775 SGD
$2,953 USD
A
Retailer 2
-
$3,876 SGD
$3,032 USD
View
A
Retailer 3
-
$4,030 SGD
$3,152 USD
View
Final sale: no returns
A
Retailer 4
-
$4,325 SGD
$3,383 USD
View
A
Retailer 5
-
$4,367 SGD
$3,416 USD
View
A
Retailer 6
-
$4,381 SGD
$3,427 USD
View
A
Retailer 7
-
$4,446 SGD
£2,739 GBP
View
A
Retailer 8
-
$4,491 SGD
$3,513 USD
View
A
Retailer 9
-
$4,560 SGD
$3,567 USD
View
A
Retailer 10
-
$4,991 SGD
$3,904 USD
View
B+
Retailer 11
-
$5,588 SGD
€4,163 EUR
View
B
Retailer 12
-
$8,061 SGD
£4,965 GBP
View
Most Expensive
B
NZ Jewellers
51072c9b-ddcc-4ecb-a9ce-42999253959d · Oct 30
$8,317 SGD
$6,506 USD
View
12 more retailers have this diamond
Prices start from $3,775 SGDSave up to $4,542 SGD

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
$3,775 SGD