CaratHunter
Plans
Round|Natural|GIA

1.23ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6561568555

Certificate GIA 6561568555

Diamond specifications and retailer prices

From $1,634 SGD
As of November 6, 2026
Save $1,045 SGD (39%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,679 SGD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.23ct natural round diamond

This 1.23ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561568555. Listed at 8 retailers as of November 6, 2026, with prices from $1,634 to $2,679, a $1,045 spread on the same certified stone. Wholesale Diamonds Direct lists it at $2,679. 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

1.23
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6561568555
Dimensions6.85 × 6.87 × 4.27 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.85 mm6.87 mm1.23 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6561568555
Side View
Table 56.0%Crown 34°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,634 SGD|Low: $1,634 SGD|High: $2,862 SGD|Avg: $2,110 SGD|-6.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 6, 2026
Retailer 1$1,634 SGD
Retailer 5$1,640 SGD
Retailer 6$1,667 SGD
Retailer 4$1,749 SGD
Retailer 2$2,157 SGD
Retailer 7$2,168 SGD
Retailer 3$2,249 SGD
Wholesale Diamonds Direct$2,679 SGD

11 data points across 8 retailers

8 retailers$1,634 SGD to $2,679 SGD

A
Cheapest Retailer
-
$1,634 SGD
A
Retailer 2
-
$1,640 SGD
View
A
Retailer 3
-
$1,667 SGD
View
A
Retailer 4
-
$1,749 SGD
View
A
Retailer 5
-
$2,157 SGD
View
A
Retailer 6
-
$2,168 SGD
View
A
Retailer 7
-
$2,249 SGD
View
Most Expensive
B+
Wholesale Diamonds Direct
650014124 · Nov 6
$2,679 SGD
$2,097 USD
View
7 more retailers have this diamond
Prices start from $1,634 SGDSave up to $1,045 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
1.23ct Round
$1,634 SGD