Cushion|Natural|GIA

1.24ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 1242097179

Certificate GIA 1242097179

Diamond specifications and retailer prices

From $2,134 USD
As of October 31, 2026
Save $1,916 USD (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,050 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.24ct natural cushion diamond

This 1.24ct natural cushion sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1242097179. Listed at 8 retailers as of October 31, 2026, with prices from $2,134 to $4,050, a $1,916 spread on the same certified stone. MOH London lists it at $4,050. 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

1.24
Carat
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1242097179
Dimensions6.70 × 5.43 × 3.79 mm
L/W Ratio1.23
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.70 mm5.43 mm1.24 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1242097179
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $4,050 USD|Low: $2,134 USD|High: $4,093 USD|Avg: $2,663 USD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 8$2,134 USD
Retailer 7$2,225 USD
Retailer 2$2,255 USD
Retailer 6$2,312 USD
Retailer 3$2,537 USD
Retailer 4$2,841 USD
Retailer 5$2,886 USD
MOH London$4,050 USD

19 data points across 8 retailers

8 retailers$2,134 USD to $4,050 USD

B+
Cheapest Retailer
-
$2,134 USD
Final sale: no returns
B+
Retailer 2
-
$2,225 USD
View
B+
Retailer 3
-
$2,255 USD
£1,775 GBP
View
B+
Retailer 4
-
$2,312 USD
View
B+
Retailer 5
-
$2,537 USD
£1,998 GBP
View
B
Retailer 6
-
$2,841 USD
ZAR 45,901 ZAR
View
B
Retailer 7
-
$2,886 USD
€2,749 EUR
View
Most Expensive
B
MOH London
0CFD18C62 · Nov 1
$4,050 USD
£3,189 GBP
View
7 more retailers have this diamond
Prices start from $2,134 USDSave up to $1,916 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.

B+
1.24ct Cushion
$2,134 USD