Cushion|Natural|GIA

1.54ct J SI1 Cushion Natural Diamond

ID • J/SI1 • GIA 6512596055

Certificate GIA 6512596055

Diamond specifications and retailer prices

From $2,239 USD
As of October 31, 2026
Save $2,141 USD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,380 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.54ct natural cushion diamond

This 1.54ct natural cushion sits in the one-and-a-half to two 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 6512596055. Listed at 14 retailers as of October 29, 2026, with prices from $2,239 to $4,380, a $2,141 spread on the same certified stone. MOH London lists it at $4,380. 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

1.54
Carat
J
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.68°
OriginNatural
Grading LabGIA
CertificateGIA 6512596055
Dimensions7.57 × 6.25 × 4.22 mm
L/W Ratio1.21
Top View
7.57 mm6.25 mm1.54 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512596055
Side View
Table 62.0%Crown 35.68°Girdle: Very ThickPavilionCulet: NoneDepth 67.6%

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: Oct 31
Current: $4,380 USD|Low: $2,095 USD|High: $4,952 USD|Avg: $2,803 USD|-11.5%
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
October 30, 2026
Retailer 4$2,239 USD
Retailer 11$2,246 USD
Retailer 12$2,294 USD
Retailer 2$2,400 USD
Retailer 13$2,470 USD
Retailer 14$2,487 USD
Retailer 10$2,627 USD
Retailer 7$2,657 USD
Retailer 8$2,695 USD
Retailer 3$2,700 USD
Retailer 9$3,028 USD
Retailer 6$3,287 USD
Retailer 5$3,405 USD
MOH London$4,380 USD

27 data points across 14 retailers

14 retailers$2,239 USD to $4,380 USD

A
Cheapest Retailer
-
$2,239 USD
A
Retailer 2
-
$2,246 USD
View
A
Retailer 3
-
$2,294 USD
View
Final sale: no returns
A
Retailer 4
-
$2,400 USD
£1,890 GBP
View
A
Retailer 5
-
$2,470 USD
View
A
Retailer 6
-
$2,487 USD
View
A
Retailer 7
-
$2,627 USD
View
A
Retailer 8
-
$2,657 USD
£2,092 GBP
View
A
Retailer 9
-
$2,695 USD
View
A
Retailer 10
-
$2,700 USD
View
A
Retailer 11
-
$3,028 USD
ZAR 48,918 ZAR
View
Retailer 12
-
$3,287 USD
A$5,057 AUD
View
Price last confirmed 24 days ago
Retailer 13
-
$3,801 USD
View
Price last confirmed 66 days ago
Most Expensive
B+
MOH London
9DFD4E605 · Oct 29
$4,380 USD
£3,449 GBP
View
13 more retailers have this diamond
Prices start from $2,239 USDSave up to $2,141 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
1.54ct Cushion
$2,239 USD