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Round|Natural|GIA

1.31ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 6525684517

Certificate GIA 6525684517

Diamond specifications and retailer prices

From $2,753 SGD
As of November 5, 2026
Save $949 SGD (26%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,703 SGD at NZ Jewellers · As of September 26, 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 L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6525684517. Listed at 9 retailers as of November 5, 2026, with a 34% 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
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6525684517
Dimensions6.96 × 6.92 × 4.36 mm
L/W Ratio1.01
Star length50%
Top View
6.96 mm6.92 mm1.31 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6525684517
Side View
Table 58.0%Crown 36°Girdle: Sli. ThickPavilion 40.8°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $2,945 SGD|Low: $2,753 SGD|High: $3,723 SGD|Avg: $3,165 SGD|+5.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4$2,753 SGD
Retailer 1$2,945 SGD
Retailer 2$3,329 SGD
Retailer 3$3,702 SGD

43 data points across 4 retailers

9 retailers$2,753 SGD to $3,702 SGD

Retailer 1
-
$2,728 SGD
Price last confirmed 29 days ago
Retailer 2
-
$2,728 SGD
View
Price last confirmed 29 days ago
B+
Retailer 3
-
$2,753 SGD
View
Retailer 4
-
$2,853 SGD
View
Price last confirmed 38 days ago
B+
Retailer 5
-
$2,945 SGD
View
Retailer 6
-
$3,147 SGD
View
Price last confirmed 38 days ago
B
Retailer 7
-
$3,329 SGD
View
B
Retailer 8
-
$3,702 SGD
View
Most Expensive
NZ Jewellers
c1851886-c0c8-4082-8292-5bace548ae8c · Sep 26
$5,703 SGD
$4,465 USD
View
Price last confirmed 40 days ago
8 more retailers have this diamond
Prices start from $2,753 SGDSave up to $949 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.

B+
1.31ct Round
$2,753 SGD