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Cushion|Natural|GIA

1.50ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 6402489726

Certificate GIA 6402489726

Diamond specifications and retailer prices

From $11,538 NZD
As of November 6, 2026
Save $10,064 NZD (47%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $21,601 NZD 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 $11,538 to $21,601, a $10,064 spread on the same certified stone. MOH London lists it at $21,601. 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
Colour
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: $21,601 NZD|Low: $11,538 NZD|High: $21,922 NZD|Avg: $14,650 NZD|-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$11,538 NZD
Retailer 6$11,590 NZD
Retailer 3$12,171 NZD
Retailer 7$12,997 NZD
Retailer 10$13,224 NZD
Retailer 2$13,352 NZD
Retailer 5$14,337 NZD
Retailer 8$14,541 NZD
Retailer 4$16,046 NZD
MOH London$21,601 NZD

43 data points across 10 retailers

18 retailers$11,538 NZD to $21,601 NZD

B+
Cheapest Retailer
-
$11,538 NZD
B+
Retailer 2
-
$11,590 NZD
View
B
Retailer 3
-
$12,063 NZD
View
B
Retailer 4
-
$12,171 NZD
View
B
Retailer 5
-
$12,479 NZD
View
B
Retailer 6
-
$12,838 NZD
View
Retailer 7
-
$12,997 NZD
View
Price last confirmed 9 days ago
B
Retailer 8
-
$13,224 NZD
View
B
Retailer 9
-
$13,352 NZD
View
B
Retailer 10
-
$14,337 NZD
View
B
Retailer 11
-
$14,541 NZD
View
B
Retailer 12
-
$14,893 NZD
View
B
Retailer 13
-
$15,514 NZD
View
B
Retailer 14
-
$15,514 NZD
View
B
Retailer 15
-
$16,019 NZD
View
B
Retailer 16
-
$16,046 NZD
View
Retailer 17
-
$17,117 NZD
View
Price last confirmed 15 days ago
Most Expensive
B
MOH London
D1DD819D8 · Nov 4
$21,601 NZD
£9,429 GBP
View
17 more retailers have this diamond
Prices start from $11,538 NZDSave up to $10,064 NZD

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
$11,538 NZD