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Round|Natural|GIA

1.31ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 1567685300

Certificate GIA 1567685300

Diamond specifications and retailer prices

From $5,235 SGD
$4,095 USD
As of November 1, 2026
Save $5,394 SGD (51%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $10,629 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 GIA 1567685300. Listed at 8 retailers as of October 30, 2026, with prices from $5,235 to $10,629, a $5,394 spread on the same certified stone. NZ Jewellers lists it at $10,629. 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 angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1567685300
Dimensions6.99 × 6.95 × 4.39 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Needle
Top View
6.99 mm6.95 mm1.31 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1567685300
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.0%

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: Nov 1
Current: $10,629 SGD|Low: $5,235 SGD|High: $10,754 SGD|Avg: $7,381 SGD|-1.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 3$5,235 SGD
Retailer 7$5,319 SGD
Retailer 4$5,627 SGD
Retailer 6$6,101 SGD
Retailer 8$6,173 SGD
Retailer 2$6,824 SGD
Retailer 5$9,717 SGD
NZ Jewellers$10,629 SGD

7 data points across 8 retailers

8 retailers$5,235 SGD to $10,629 SGD

A
Cheapest Retailer
-
$5,235 SGD
$4,095 USD
A
Retailer 2
-
$5,319 SGD
View
A
Retailer 3
-
$5,627 SGD
£3,466 GBP
View
B+
Retailer 4
-
$6,101 SGD
$4,772 USD
View
B+
Retailer 5
-
$6,173 SGD
$4,829 USD
View
B+
Retailer 6
-
$6,824 SGD
€5,084 EUR
View
B
Retailer 7
-
$9,717 SGD
£5,985 GBP
View
Most Expensive
B
NZ Jewellers
c994ccfa-eec7-4d6c-9269-add0685f0df7 · Oct 30
$10,629 SGD
$8,314 USD
View
7 more retailers have this diamond
Prices start from $5,235 SGDSave up to $5,394 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
$5,235 SGD