Cushion|Natural|GIA

1.50ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 5212917870

Certificate GIA 5212917870

Diamond specifications and retailer prices

From $7,712 NZD
As of November 6, 2026
Save $8,481 NZD (52%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $16,192 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5212917870. Listed at 24 retailers as of November 4, 2026, with prices from $7,712 to $16,192, a $8,481 spread on the same certified stone. MOH London lists it at $16,192. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5212917870
Dimensions6.22 × 6.14 × 4.53 mm
L/W Ratio1.01
Top View
6.22 mm6.14 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5212917870
Side View
Table 63.0%CrownGirdle: ThickPavilionCulet: NoneDepth 73.8%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $16,192 NZD|Low: $8,053 NZD|High: $16,431 NZD|Avg: $10,655 NZD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6$8,053 NZD
Retailer 9$8,119 NZD
Retailer 7$8,136 NZD
Retailer 2$9,552 NZD
Retailer 4$9,788 NZD
Retailer 8$10,248 NZD
Retailer 3$11,469 NZD
Retailer 5$12,436 NZD
MOH London$16,192 NZD

35 data points across 9 retailers

24 retailers$7,712 NZD to $16,192 NZD

A
Cheapest Retailer
-
$7,712 NZD
A
Retailer 2
-
$7,964 NZD
View
A
Retailer 3
-
$8,053 NZD
View
B+
Retailer 4
-
$8,119 NZD
View
Final sale: no returns
A
Retailer 5
-
$8,136 NZD
View
B+
Retailer 6
-
$8,152 NZD
View
B+
Retailer 7
-
$8,659 NZD
View
B+
Retailer 8
-
$8,673 NZD
View
B+
Retailer 9
-
$8,677 NZD
View
Retailer 10
-
$9,234 NZD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$9,552 NZD
View
B+
Retailer 12
-
$9,703 NZD
View
B+
Retailer 13
-
$9,730 NZD
View
B+
Retailer 14
-
$9,788 NZD
View
Retailer 15
-
$10,248 NZD
View
Price last confirmed 20 days ago
B+
Retailer 16
-
$10,336 NZD
View
B+
Retailer 17
-
$10,336 NZD
View
B
Retailer 18
-
$10,679 NZD
View
Retailer 19
-
$11,246 NZD
View
Price last confirmed 15 days ago
B+
Retailer 20
-
$11,469 NZD
View
B
Retailer 21
-
$11,743 NZD
View
B
Retailer 22
-
$12,436 NZD
View
B
Retailer 23
-
$14,763 NZD
View
Most Expensive
B
MOH London
8641C0CA0 · Nov 4
$16,192 NZD
£7,068 GBP
View
23 more retailers have this diamond
Prices start from $7,712 NZDSave up to $8,481 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.

A
1.50ct Cushion
$7,712 NZD