Cushion|Natural|GIA

1.50ct F SI1 Cushion Natural Diamond

ID • F/SI1 • GIA 6542285773

Certificate GIA 6542285773

Diamond specifications and retailer prices

From $4,083 USD
As of November 6, 2026
Save $4,487 USD (52%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,570 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1.5ct natural cushion diamond

This 1.5ct natural cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542285773. Listed at 16 retailers as of November 4, 2026, with prices from $4,083 to $8,570, a $4,487 spread on the same certified stone. MOH London lists it at $8,570. 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

1.50
Carat
F
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6542285773
Dimensions7.62 × 5.87 × 4.03 mm
L/W Ratio1.30
Top View
7.62 mm5.87 mm1.50 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6542285773
Side View
Table 66.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $8,570 USD|Low: $4,044 USD|High: $8,760 USD|Avg: $5,558 USD|-1.9%
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
November 7, 2026
Retailer 10$4,083 USD
Retailer 6$4,341 USD
Retailer 12$4,759 USD
Retailer 9$4,843 USD
Retailer 3$4,980 USD
Retailer 13$5,197 USD
Retailer 2$5,226 USD
Retailer 11$5,395 USD
Retailer 4$5,400 USD
Retailer 5$5,478 USD
Retailer 7$6,071 USD
Retailer 8$6,583 USD
MOH London$8,570 USD

32 data points across 13 retailers

16 retailers$4,083 USD to $8,570 USD

A
Cheapest Retailer
-
$4,083 USD
A
Retailer 2
-
$4,341 USD
View
A
Retailer 3
-
$4,759 USD
View
A
Retailer 4
-
$4,843 USD
View
A
Retailer 5
-
$4,980 USD
View
Final sale: no returns
A
Retailer 6
-
$5,008 USD
View
A
Retailer 7
-
$5,010 USD
View
Retailer 8
-
$5,197 USD
View
Price last confirmed 11 days ago
A
Retailer 9
-
$5,226 USD
View
Retailer 10
-
$5,395 USD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$5,400 USD
View
Retailer 12
-
$5,478 USD
View
Price last confirmed 29 days ago
B+
Retailer 13
-
$5,517 USD
View
B+
Retailer 14
-
$6,071 USD
View
B+
Retailer 15
-
$6,583 USD
View
Most Expensive
B
MOH London
D877EFE97 · Nov 4
$8,570 USD
£6,748 GBP
View
15 more retailers have this diamond
Prices start from $4,083 USDSave up to $4,487 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
1.50ct Cushion
$4,083 USD