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Round|Natural|GIA

1.29ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1403326676

Certificate GIA 1403326676

Diamond specifications and retailer prices

From $2,880 SGD
As of November 6, 2026
Save $1,411 SGD (33%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,292 SGD at Yorxs · As of November 5, 2026
View at Yorxs

About this 1.29ct natural round diamond

This 1.29ct 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 1403326676. Listed at 6 retailers as of November 5, 2026, with prices from $2,880 to $4,292, a $1,411 spread on the same certified stone. Yorxs lists it at $4,292. 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

1.29
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1403326676
Dimensions6.95 × 6.91 × 4.34 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.95 mm6.91 mm1.29 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1403326676
Side View
Table 56.0%Crown 36.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.8%

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 6
Current: $3,746 SGD|Low: $2,846 SGD|High: $4,493 SGD|Avg: $3,425 SGD|-3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
November 5, 2026
Retailer 4$2,880 SGD
Retailer 3$3,014 SGD
Retailer 2$3,034 SGD
Retailer 5$3,416 SGD
Retailer 1$3,746 SGD
Yorxs$4,292 SGD

23 data points across 6 retailers

6 retailers$2,880 SGD to $4,292 SGD

A
Cheapest Retailer
-
$2,880 SGD
A
Retailer 2
-
$3,014 SGD
View
A
Retailer 3
-
$3,034 SGD
View
B+
Retailer 4
-
$3,416 SGD
View
Final sale: no returns
B+
Retailer 5
-
$3,746 SGD
View
Most Expensive
B
Yorxs
30727 · Nov 5
$4,292 SGD
€3,200 EUR
View
5 more retailers have this diamond
Prices start from $2,880 SGDSave up to $1,411 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
1.29ct Round
$2,880 SGD