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Cushion|Natural|GIA

1.50ct G SI2 Cushion Natural Diamond

ID • G/SI2 • GIA 6551584113

Certificate GIA 6551584113

Diamond specifications and retailer prices

From $7,878 NZD
As of November 5, 2026
Save $10,519 NZD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $18,396 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 G 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 6551584113. Listed at 15 retailers as of November 4, 2026, with prices from $7,878 to $18,396, a $10,519 spread on the same certified stone. MOH London lists it at $18,396. 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
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6551584113
Dimensions7.64 × 5.65 × 3.87 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Cavity, Indented Natural
Top View
7.64 mm5.65 mm1.50 ctG / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6551584113
Side View
Table 62.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.4%

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 5
Current: $18,396 NZD|Low: $6,626 NZD|High: $18,447 NZD|Avg: $10,191 NZD|+24.6%
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
November 6, 2026
Retailer 7$6,626 NZD
Retailer 15$7,185 NZD
Retailer 11$7,878 NZD
Retailer 3$8,249 NZD
Retailer 6$8,937 NZD
Retailer 5$9,056 NZD
Retailer 2$9,893 NZD
Retailer 13$10,558 NZD
Retailer 14$11,175 NZD
Retailer 10$11,890 NZD
Retailer 8$12,144 NZD
Retailer 9$13,605 NZD
Retailer 4$15,521 NZD
Retailer 12$18,335 NZD
MOH London$18,396 NZD

30 data points across 15 retailers

15 retailers$7,878 NZD to $18,396 NZD

Retailer 1
-
$6,626 NZD
Price last confirmed 24 days ago
Retailer 2
-
$7,185 NZD
View
Price last confirmed 25 days ago
A
Retailer 3
-
$7,878 NZD
View
Retailer 4
-
$8,937 NZD
View
Price last confirmed 26 days ago
Retailer 5
-
$9,056 NZD
View
Price last confirmed 26 days ago
B+
Retailer 6
-
$9,259 NZD
View
B+
Retailer 7
-
$9,893 NZD
View
B+
Retailer 8
-
$10,558 NZD
View
B+
Retailer 9
-
$11,175 NZD
View
B
Retailer 10
-
$11,890 NZD
View
B+
Retailer 11
-
$12,144 NZD
View
B
Retailer 12
-
$13,605 NZD
View
Retailer 13
-
$15,521 NZD
View
Price last confirmed 25 days ago
B
Retailer 14
-
$18,335 NZD
View
Most Expensive
B
MOH London
46ACDC1C9 · Nov 4
$18,396 NZD
£8,030 GBP
View
14 more retailers have this diamond
Prices start from $7,878 NZDSave up to $10,519 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
$7,878 NZD