Cushion|Natural|GIA

1.23ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 1563185383

Certificate GIA 1563185383

Diamond specifications and retailer prices

From $2,757 SGD
As of November 6, 2026
Save $2,463 SGD (47%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $5,220 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1.23ct natural cushion diamond

This 1.23ct natural cushion sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1563185383. Listed at 4 retailers as of November 4, 2026, with prices from $2,757 to $5,220, a $2,463 spread on the same certified stone. MOH London lists it at $5,220. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1563185383
Dimensions5.95 × 5.95 × 4.10 mm
L/W Ratio1.00
Key to symbols
Crystal, Feather, Needle, Cloud
Top View
5.95 mm5.95 mm1.23 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1563185383
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.0%

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: $5,220 SGD|Low: $2,461 SGD|High: $5,739 SGD|Avg: $3,692 SGD|-9.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2$2,757 SGD
Retailer 4$2,984 SGD
Retailer 3$3,708 SGD
MOH London$5,220 SGD

39 data points across 4 retailers

4 retailers$2,757 SGD to $5,220 SGD

A
Cheapest Retailer
-
$2,757 SGD
Final sale: no returns
B+
Retailer 2
-
$2,984 SGD
View
B+
Retailer 3
-
$3,708 SGD
View
Most Expensive
B
MOH London
5B43DE25D · Nov 4
$5,220 SGD
£3,207 GBP
View
3 more retailers have this diamond
Prices start from $2,757 SGDSave up to $2,463 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 Cushion
$2,757 SGD