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 $1,639 SGD
As of November 6, 2026
Save $1,049 SGD (39%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,688 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 $1,639 to $2,688, a $1,049 spread on the same certified stone. Wholesale Diamonds Direct lists it at $2,688. 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: $1,639 SGD|Low: $1,639 SGD|High: $2,872 SGD|Avg: $2,117 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$1,639 SGD
Retailer 5$1,646 SGD
Retailer 6$1,672 SGD
Retailer 4$1,755 SGD
Retailer 2$2,165 SGD
Retailer 7$2,175 SGD
Retailer 3$2,257 SGD
Wholesale Diamonds Direct$2,688 SGD

11 data points across 8 retailers

8 retailers$1,639 SGD to $2,688 SGD

A
Cheapest Retailer
-
$1,639 SGD
A
Retailer 2
-
$1,646 SGD
View
A
Retailer 3
-
$1,672 SGD
View
A
Retailer 4
-
$1,755 SGD
View
A
Retailer 5
-
$2,165 SGD
View
A
Retailer 6
-
$2,175 SGD
View
A
Retailer 7
-
$2,257 SGD
View
Most Expensive
B+
Wholesale Diamonds Direct
650014124 · Nov 6
$2,688 SGD
$2,097 USD
View
7 more retailers have this diamond
Prices start from $1,639 SGDSave up to $1,049 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
$1,639 SGD