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Cushion|Natural|GIA

1.50ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 7546685005

Certificate GIA 7546685005

Diamond specifications and retailer prices

From $7,190 USD
As of October 31, 2026
Save $4,866 USD (40%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $12,056 USD at MOH London · As of October 29, 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 D 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 7546685005. Listed at 18 retailers as of October 29, 2026, with prices from $7,190 to $12,056, a $4,866 spread on the same certified stone. MOH London lists it at $12,056. 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
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7546685005
Dimensions8.52 × 5.67 × 3.82 mm
L/W Ratio1.50
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
8.52 mm5.67 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7546685005
Side View
Table 67.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.4%

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: $12,056 USD|Low: $7,190 USD|High: $12,197 USD|Avg: $8,956 USD|-0.9%
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
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 10$7,190 USD
Retailer 4$7,195 USD
Retailer 14$7,195 USD
Retailer 8$7,664 USD
Retailer 12$8,016 USD
Retailer 11$8,075 USD
Retailer 3$8,090 USD
Retailer 16$8,145 USD
Retailer 5$8,620 USD
Retailer 7$8,620 USD
Retailer 6$8,910 USD
Retailer 9$9,403 USD
Retailer 15$9,476 USD
Retailer 2$10,570 USD
Retailer 13$11,786 USD
MOH London$12,056 USD

29 data points across 16 retailers

18 retailers$7,190 USD to $12,056 USD

B+
Cheapest Retailer
-
$7,190 USD
B+
Retailer 2
-
$7,195 USD
View
B+
Retailer 3
-
$7,195 USD
View
Final sale: no returns
B+
Retailer 4
-
$7,664 USD
View
B+
Retailer 5
-
$7,930 USD
View
B+
Retailer 6
-
$8,016 USD
£6,312 GBP
View
B+
Retailer 7
-
$8,075 USD
£6,358 GBP
View
B+
Retailer 8
-
$8,090 USD
View
Retailer 9
-
$8,145 USD
A$12,531 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$8,620 USD
View
B+
Retailer 11
-
$8,620 USD
View
B+
Retailer 12
-
$8,839 USD
A$13,598 AUD
View
B+
Retailer 13
-
$8,910 USD
View
B+
Retailer 14
-
$9,403 USD
€8,955 EUR
View
Retailer 15
-
$9,476 USD
View
Price last confirmed 8 days ago
B
Retailer 16
-
$10,570 USD
ZAR 170,767 ZAR
View
B
Retailer 17
-
$11,786 USD
£9,280 GBP
View
Most Expensive
B
MOH London
5FA99496B · Oct 29
$12,056 USD
£9,493 GBP
View
17 more retailers have this diamond
Prices start from $7,190 USDSave up to $4,866 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+
1.50ct Cushion
$7,190 USD