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Round|Natural|GIA

1.29ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 2235351411

Certificate GIA 2235351411

Diamond specifications and retailer prices

From $3,923 SGD
As of November 5, 2026
Save $1,587 SGD (29%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,510 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 very-good cut grade and certified by GIA 2235351411. Listed at 7 retailers as of November 5, 2026, with prices from $3,923 to $5,510, a $1,587 spread on the same certified stone. Yorxs lists it at $5,510. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.29
Carat
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle34°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2235351411
Dimensions6.89 × 6.83 × 4.31 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Culet sizeNone
Top View
6.89 mm6.83 mm1.29 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2235351411
Side View
Table 60.0%Crown 34°Girdle: STK-THKPavilion 41.2°Culet: NoneDepth 62.8%

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: Nov 5
Current: $3,940 SGD|Low: $3,923 SGD|High: $5,539 SGD|Avg: $4,848 SGD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Yorxs
November 5, 2026
Retailer 4$3,923 SGD
Retailer 1$3,940 SGD
Retailer 2$4,320 SGD
Retailer 3$4,946 SGD
Retailer 6$5,148 SGD
Retailer 7$5,148 SGD
Retailer 5$5,314 SGD
Retailer 8$5,406 SGD
Yorxs$5,510 SGD

22 data points across 9 retailers

7 retailers$3,923 SGD to $5,510 SGD

B+
Cheapest Retailer
-
$3,923 SGD
Retailer 2
-
$3,940 SGD
View
Price last confirmed 16 days ago
B
Retailer 3
-
$4,320 SGD
View
B
Retailer 4
-
$4,946 SGD
View
Retailer 5
-
$5,148 SGD
View
Price last confirmed 11 days ago
Retailer 6
-
$5,314 SGD
View
Price last confirmed 11 days ago
Most Expensive
B
Yorxs
BP124 · Nov 5
$5,510 SGD
€4,108 EUR
View
6 more retailers have this diamond
Prices start from $3,923 SGDSave up to $1,587 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+
1.29ct Round
$3,923 SGD