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Round|Natural|GIA

1.30ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2557211440

Certificate GIA 2557211440

Diamond specifications and retailer prices

From $2,337 SGD
As of November 6, 2026
Save $3,100 SGD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,438 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557211440. Listed at 13 retailers as of November 4, 2026, with prices from $2,337 to $5,438, a $3,100 spread on the same certified stone. MOH London lists it at $5,438. 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

1.30
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2557211440
Dimensions6.94 × 6.90 × 4.34 mm
L/W Ratio1.01
Top View
6.94 mm6.90 mm1.30 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2557211440
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.7%

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 6
Current: $5,438 SGD|Low: $2,321 SGD|High: $6,690 SGD|Avg: $3,577 SGD|-2.8%
MOH London
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
Retailer 15
Retailer 16
November 6, 2026
Retailer 12$2,337 SGD
Retailer 6$2,461 SGD
Retailer 8$2,839 SGD
Retailer 13$2,855 SGD
Retailer 16$2,855 SGD
Retailer 3$2,873 SGD
Retailer 2$2,977 SGD
Retailer 9$3,253 SGD
Retailer 4$3,262 SGD
Retailer 11$3,272 SGD
Retailer 15$3,469 SGD
Retailer 10$3,799 SGD
Retailer 5$3,886 SGD
Retailer 14$4,768 SGD
MOH London$5,438 SGD
Retailer 7$6,003 SGD

30 data points across 16 retailers

13 retailers$2,337 SGD to $5,438 SGD

A
Cheapest Retailer
-
$2,337 SGD
Retailer 2
-
$2,461 SGD
View
Price last confirmed 29 days ago
A
Retailer 3
-
$2,855 SGD
View
A
Retailer 4
-
$2,855 SGD
View
A
Retailer 5
-
$2,873 SGD
View
Final sale: no returns
A
Retailer 6
-
$2,977 SGD
View
A
Retailer 7
-
$3,253 SGD
View
B+
Retailer 8
-
$3,262 SGD
View
A
Retailer 9
-
$3,272 SGD
View
B+
Retailer 10
-
$3,469 SGD
View
B+
Retailer 11
-
$3,799 SGD
View
B+
Retailer 12
-
$4,768 SGD
View
Most Expensive
B
MOH London
488879128 · Nov 4
$5,438 SGD
£3,352 GBP
View
12 more retailers have this diamond
Prices start from $2,337 SGDSave up to $3,100 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
1.30ct Round
$2,337 SGD