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Round|Natural|GIA

1.25ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 3555658587

Certificate GIA 3555658587

Diamond specifications and retailer prices

From $2,224 SGD
$1,740 USD
As of November 1, 2026
Save $1,998 SGD (47%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,223 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.25ct natural round diamond

This 1.25ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3555658587. Listed at 7 retailers as of October 29, 2026, with prices from $2,224 to $4,223, a $1,998 spread on the same certified stone. MOH London lists it at $4,223. 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

1.25
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3555658587
Dimensions6.86 × 6.89 × 4.23 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
6.86 mm6.89 mm1.25 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555658587
Side View
Table 60.0%Crown 35.5°Girdle: Sli. ThickPavilion 40.8°Culet: NoneDepth 61.5%

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: $4,223 SGD|Low: $2,224 SGD|High: $4,596 SGD|Avg: $2,911 SGD|-6.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 5$2,224 SGD
Retailer 4$2,406 SGD
Retailer 7$2,526 SGD
Retailer 8$2,544 SGD
Retailer 3$2,614 SGD
Retailer 6$2,628 SGD
Retailer 2$3,260 SGD
MOH London$4,223 SGD

41 data points across 8 retailers

7 retailers$2,224 SGD to $4,223 SGD

A
Cheapest Retailer
-
$2,224 SGD
$1,740 USD
A
Retailer 2
-
$2,406 SGD
$1,882 USD
View
A
Retailer 3
-
$2,526 SGD
$1,976 USD
View
A
Retailer 4
-
$2,614 SGD
£1,610 GBP
View
A
Retailer 5
-
$2,628 SGD
$2,056 USD
View
B+
Retailer 6
-
$3,260 SGD
€2,429 EUR
View
Most Expensive
B
MOH London
75CC8F013 · Oct 29
$4,223 SGD
£2,601 GBP
View
6 more retailers have this diamond
Prices start from $2,224 SGDSave up to $1,998 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
1.25ct Round
$2,224 SGD