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Round|Natural|GIA

1.31ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 2557411953

Certificate GIA 2557411953

Diamond specifications and retailer prices

From $4,026 SGD
£2,480 GBP
As of November 1, 2026
Save $3,312 SGD (45%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,605 SGD at NZ Jewellers · As of October 3, 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 GIA 2557411953. Listed at 11 retailers as of October 29, 2026, with a 82% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2557411953
Dimensions6.96 × 7.01 × 4.35 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle, Feather
Top View
6.96 mm7.01 mm1.31 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557411953
Side View
Table 60.0%Crown 33°Girdle: Slightly ThickPavilion 41.8°Culet: NoneDepth 62.2%

Caratlytics Score

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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 1
Current: $4,026 SGD|Low: $3,693 SGD|High: $7,420 SGD|Avg: $5,087 SGD|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 1$4,026 SGD
Retailer 4$4,028 SGD
Retailer 3$4,496 SGD
Retailer 6$4,551 SGD
Retailer 2$5,087 SGD
Retailer 7$5,217 SGD
Retailer 5$7,339 SGD

32 data points across 7 retailers

11 retailers$4,026 SGD to $7,339 SGD

A
Cheapest Retailer
-
$4,026 SGD
£2,480 GBP
A
Retailer 2
-
$4,028 SGD
$3,151 USD
View
Final sale: no returns
Retailer 3
-
$4,364 SGD
$3,414 USD
View
Price last confirmed 24 days ago
Retailer 4
-
$4,364 SGD
$3,414 USD
View
Price last confirmed 24 days ago
A
Retailer 5
-
$4,496 SGD
£2,769 GBP
View
Retailer 6
-
$4,551 SGD
$3,560 USD
View
Price last confirmed 24 days ago
Retailer 7
-
$4,552 SGD
$3,561 USD
View
Price last confirmed 33 days ago
Retailer 8
-
$5,037 SGD
$3,940 USD
View
Price last confirmed 30 days ago
A
Retailer 9
-
$5,087 SGD
€3,790 EUR
View
B
Retailer 10
-
$7,339 SGD
£4,520 GBP
View
Most Expensive
NZ Jewellers
c43b5840-6924-4435-9b8e-666816816f05 · Oct 3
$7,605 SGD
$5,949 USD
View
Price last confirmed 29 days ago
10 more retailers have this diamond
Prices start from $4,026 SGDSave up to $3,312 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
$4,026 SGD