Cushion|Natural|GIA

1.50ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 2354860997

Certificate GIA 2354860997

Diamond specifications and retailer prices

From $7,519 USD
As of October 31, 2026
Save $5,736 USD (43%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $13,255 USD at MOH London · As of November 1, 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 G 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 2354860997. Listed at 20 retailers as of October 31, 2026, with prices from $7,519 to $13,255, a $5,736 spread on the same certified stone. MOH London lists it at $13,255. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2354860997
Dimensions6.89 × 6.57 × 4.47 mm
L/W Ratio1.05
Top View
6.89 mm6.57 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 2354860997
Side View
Table 75.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.0%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: $13,255 USD|Low: $7,072 USD|High: $13,415 USD|Avg: $9,740 USD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 9$7,519 USD
Retailer 6$7,565 USD
Retailer 7$8,487 USD
Retailer 2$9,276 USD
Retailer 5$9,318 USD
Retailer 8$9,462 USD
Retailer 4$10,512 USD
Retailer 3$12,468 USD
MOH London$13,255 USD

44 data points across 9 retailers

20 retailers$7,519 USD to $13,255 USD

B+
Cheapest Retailer
-
$7,519 USD
B+
Retailer 2
-
$7,565 USD
View
B+
Retailer 3
-
$7,903 USD
View
B
Retailer 4
-
$7,946 USD
View
B
Retailer 5
-
$8,181 USD
View
B
Retailer 6
-
$8,281 USD
CA$11,501 CAD
View
B
Retailer 7
-
$8,435 USD
View
B
Retailer 8
-
$8,487 USD
View
Final sale: no returns
B
Retailer 9
-
$8,635 USD
View
B
Retailer 10
-
$9,276 USD
£7,304 GBP
View
Retailer 11
-
$9,318 USD
A$14,335 AUD
View
Price last confirmed 9 days ago
B
Retailer 12
-
$9,462 USD
View
B
Retailer 13
-
$9,764 USD
View
B
Retailer 14
-
$10,040 USD
View
B
Retailer 15
-
$10,040 USD
View
B
Retailer 16
-
$10,370 USD
View
B
Retailer 17
-
$10,512 USD
€10,011 EUR
View
Retailer 18
-
$11,171 USD
View
Price last confirmed 9 days ago
B
Retailer 19
-
$12,468 USD
ZAR 201,423 ZAR
View
Most Expensive
B
MOH London
EC7D83A1C · Nov 1
$13,255 USD
£10,437 GBP
View
19 more retailers have this diamond
Prices start from $7,519 USDSave up to $5,736 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
$7,519 USD