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Round|Natural|GIA

1.25ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2418689032

Certificate GIA 2418689032

Diamond specifications and retailer prices

From $3,655 SGD
$2,859 USD
As of October 30, 2026
Save $4,193 SGD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,848 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 2418689032. Listed at 15 retailers as of October 30, 2026, with prices from $3,655 to $7,848, a $4,193 spread on the same certified stone. NZ Jewellers lists it at $7,848. 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°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2418689032
Dimensions6.90 × 6.85 × 4.23 mm
L/W Ratio1.01
Top View
6.90 mm6.85 mm1.25 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2418689032
Side View
Table 61.0%Crown 35°Girdle: THN-STKPavilion 41°Culet: NoneDepth 61.5%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $7,848 SGD|Low: $3,140 SGD|High: $7,848 SGD|Avg: $5,033 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 6$3,655 SGD
Retailer 7$3,767 SGD
Retailer 9$4,081 SGD
Retailer 11$4,081 SGD
Retailer 8$4,238 SGD
Retailer 5$4,679 SGD
Retailer 10$4,710 SGD
Retailer 2$4,844 SGD
Retailer 3$5,103 SGD
Retailer 4$7,533 SGD
NZ Jewellers$7,848 SGD

41 data points across 11 retailers

15 retailers$3,655 SGD to $7,848 SGD

B+
Cheapest Retailer
-
$3,655 SGD
$2,859 USD
B+
Retailer 2
-
$3,767 SGD
$2,947 USD
View
Final sale: no returns
B+
Retailer 3
-
$3,833 SGD
$2,998 USD
View
B
Retailer 4
-
$4,081 SGD
$3,192 USD
View
B
Retailer 5
-
$4,081 SGD
$3,192 USD
View
B
Retailer 6
-
$4,173 SGD
CA$4,533 CAD
View
B
Retailer 7
-
$4,238 SGD
$3,315 USD
View
B+
Retailer 8
-
$4,435 SGD
$3,469 USD
View
B+
Retailer 9
-
$4,679 SGD
£2,882 GBP
View
B
Retailer 10
-
$4,710 SGD
$3,684 USD
View
B
Retailer 11
-
$4,844 SGD
€3,609 EUR
View
Retailer 12
-
$5,103 SGD
$3,992 USD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$5,186 SGD
$4,057 USD
View
B
Retailer 14
-
$7,533 SGD
£4,640 GBP
View
Most Expensive
B
NZ Jewellers
433753fe-0b77-4813-a979-c272d9e7e061 · Oct 30
$7,848 SGD
$6,139 USD
View
14 more retailers have this diamond
Prices start from $3,655 SGDSave up to $4,193 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+
1.25ct Round
$3,655 SGD