Cushion|Natural|GIA

1.50ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 6402489726

Certificate GIA 6402489726

Diamond specifications and retailer prices

From $6,396 USD
As of November 6, 2026
Save $5,579 USD (47%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $11,975 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6402489726. Listed at 18 retailers as of November 4, 2026, with prices from $6,396 to $11,975, a $5,579 spread on the same certified stone. MOH London lists it at $11,975. 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
H
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6402489726
Dimensions7.33 × 6.15 × 4.27 mm
L/W Ratio1.19
Top View
7.33 mm6.15 mm1.50 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 6402489726
Side View
Table 75.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 69.4%

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: Nov 6
Current: $11,975 USD|Low: $6,396 USD|High: $12,153 USD|Avg: $8,121 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$6,396 USD
Retailer 6$6,425 USD
Retailer 3$6,747 USD
Retailer 7$7,205 USD
Retailer 10$7,331 USD
Retailer 2$7,402 USD
Retailer 5$7,948 USD
Retailer 8$8,061 USD
Retailer 4$8,895 USD
MOH London$11,975 USD

43 data points across 10 retailers

18 retailers$6,396 USD to $11,975 USD

B+
Cheapest Retailer
-
$6,396 USD
B+
Retailer 2
-
$6,425 USD
View
B
Retailer 3
-
$6,687 USD
View
B
Retailer 4
-
$6,747 USD
View
B
Retailer 5
-
$6,918 USD
View
B
Retailer 6
-
$7,117 USD
View
Retailer 7
-
$7,205 USD
View
Price last confirmed 9 days ago
B
Retailer 8
-
$7,331 USD
View
B
Retailer 9
-
$7,402 USD
View
B
Retailer 10
-
$7,948 USD
View
B
Retailer 11
-
$8,061 USD
View
B
Retailer 12
-
$8,256 USD
View
B
Retailer 13
-
$8,600 USD
View
B
Retailer 14
-
$8,600 USD
View
B
Retailer 15
-
$8,880 USD
View
B
Retailer 16
-
$8,895 USD
View
Retailer 17
-
$9,489 USD
View
Price last confirmed 15 days ago
Most Expensive
B
MOH London
D1DD819D8 · Nov 4
$11,975 USD
£9,429 GBP
View
17 more retailers have this diamond
Prices start from $6,396 USDSave up to $5,579 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
$6,396 USD