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Cushion|Natural|GIA

1.23ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 1543953806

Certificate GIA 1543953806

Diamond specifications and retailer prices

From $2,316 USD
As of November 6, 2026
Save $2,761 USD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,988 USD at Queensmith · As of October 28, 2026
View at Queensmith

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 1543953806. Listed at 14 retailers as of November 4, 2026, with a 119% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1543953806
Dimensions8.13 × 5.31 × 3.52 mm
L/W Ratio1.53
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
8.13 mm5.31 mm1.23 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1543953806
Side View
Table 66.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 66.3%

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: $5,988 USD|Low: $2,316 USD|High: $6,007 USD|Avg: $3,452 USD|+2.5%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 11$2,316 USD
Retailer 2$2,406 USD
Retailer 8$2,750 USD
Retailer 3$2,809 USD
Retailer 4$3,072 USD
Retailer 12$3,186 USD
Retailer 7$3,203 USD
Retailer 6$3,221 USD
Retailer 10$3,290 USD
Retailer 5$3,543 USD
Retailer 9$5,077 USD
Queensmith$5,988 USD

31 data points across 12 retailers

14 retailers$2,316 USD to $5,077 USD

A
Cheapest Retailer
-
$2,316 USD
A
Retailer 2
-
$2,406 USD
View
B+
Retailer 3
-
$2,750 USD
View
B+
Retailer 4
-
$2,809 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,894 USD
View
Retailer 6
-
$3,072 USD
View
Price last confirmed 9 days ago
B
Retailer 7
-
$3,118 USD
View
B+
Retailer 8
-
$3,186 USD
View
B+
Retailer 9
-
$3,203 USD
View
B
Retailer 10
-
$3,221 USD
View
B+
Retailer 11
-
$3,290 USD
View
B+
Retailer 12
-
$3,543 USD
View
B
Retailer 13
-
$5,077 USD
View
Most Expensive
Queensmith
1543953806 · Oct 28
$5,988 USD
£4,715 GBP
View
Price last confirmed 9 days ago
13 more retailers have this diamond
Prices start from $2,316 USDSave up to $2,761 USD

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
$2,316 USD