CaratHunter
Plans
Cushion|Natural|GIA

1.54ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6561590064

Certificate GIA 6561590064

Diamond specifications and retailer prices

From $3,290 USD
HK$25,700 HKD
As of November 1, 2026
Save $3,784 USD (53%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,074 USD at MOH London · As of November 2, 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 I 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 6561590064. Listed at 9 retailers as of November 1, 2026, with prices from $3,290 to $7,074, a $3,784 spread on the same certified stone. MOH London lists it at $7,074. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6561590064
Dimensions7.88 × 5.95 × 4.08 mm
L/W Ratio1.32
Key to symbols
Crystal, Cloud, Needle
Top View
7.88 mm5.95 mm1.54 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561590064
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NDepth 68.7%

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 1
Current: $7,074 USD|Low: $3,251 USD|High: $7,217 USD|Avg: $4,543 USD|-2.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7$3,290 USD
Retailer 8$3,664 USD
Retailer 2$3,794 USD
Retailer 6$3,947 USD
Retailer 9$4,204 USD
Retailer 3$4,214 USD
Retailer 4$5,105 USD
Retailer 5$6,255 USD
MOH London$7,074 USD

8 data points across 9 retailers

9 retailers$3,290 USD to $7,074 USD

A
Cheapest Retailer
-
$3,290 USD
HK$25,700 HKD
A
Retailer 2
-
$3,664 USD
View
A
Retailer 3
-
$3,794 USD
€3,614 EUR
View
A
Retailer 4
-
$3,947 USD
View
A
Retailer 5
-
$4,204 USD
SGD 5,681 SGD
View
A
Retailer 6
-
$4,214 USD
£3,318 GBP
View
B+
Retailer 7
-
$5,105 USD
€4,862 EUR
View
B
Retailer 8
-
$6,255 USD
View
Most Expensive
B
MOH London
464636367 · Nov 2
$7,074 USD
£5,570 GBP
View
8 more retailers have this diamond
Prices start from $3,290 USDSave up to $3,784 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
$3,290 USD