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1.23ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 7541629448

Certificate GIA 7541629448

Diamond specifications and retailer prices

From $2,958 SGD
As of November 4, 2026
Save $3,550 SGD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,508 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1.23ct natural round diamond

This 1.23ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7541629448. Listed at 16 retailers as of November 4, 2026, with prices from $2,958 to $6,508, a $3,550 spread on the same certified stone. MOH London lists it at $6,508. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7541629448
Dimensions6.78 × 6.81 × 4.25 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.78 mm6.81 mm1.23 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7541629448
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.5%

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 4
Current: $6,508 SGD|Low: $2,926 SGD|High: $7,107 SGD|Avg: $4,062 SGD|-8.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 5$2,958 SGD
Retailer 4$3,094 SGD
Retailer 6$3,223 SGD
Retailer 16$3,238 SGD
Retailer 11$3,336 SGD
Retailer 12$3,345 SGD
Retailer 7$3,536 SGD
Retailer 15$3,746 SGD
Retailer 3$3,947 SGD
Retailer 13$3,947 SGD
Retailer 2$4,075 SGD
Retailer 9$4,078 SGD
Retailer 10$4,370 SGD
Retailer 8$4,630 SGD
Retailer 14$4,731 SGD
MOH London$6,508 SGD

31 data points across 16 retailers

16 retailers$2,958 SGD to $6,508 SGD

A
Cheapest Retailer
-
$2,958 SGD
A
Retailer 2
-
$3,094 SGD
View
A
Retailer 3
-
$3,223 SGD
View
A
Retailer 4
-
$3,238 SGD
View
A
Retailer 5
-
$3,336 SGD
View
Final sale: no returns
A
Retailer 6
-
$3,345 SGD
View
Retailer 7
-
$3,536 SGD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$3,746 SGD
View
A
Retailer 9
-
$3,947 SGD
View
A
Retailer 10
-
$3,947 SGD
View
A
Retailer 11
-
$4,075 SGD
View
A
Retailer 12
-
$4,078 SGD
View
A
Retailer 13
-
$4,370 SGD
View
Retailer 14
-
$4,630 SGD
View
Price last confirmed 14 days ago
A
Retailer 15
-
$4,731 SGD
View
Most Expensive
B+
MOH London
86167BD04 · Nov 4
$6,508 SGD
£4,012 GBP
View
15 more retailers have this diamond
Prices start from $2,958 SGDSave up to $3,550 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
$2,958 SGD