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Cushion|Natural|GIA

1.50ct G SI1 Cushion Natural Diamond

ID • G/SI1 • GIA 2245088651

Certificate GIA 2245088651

Diamond specifications and retailer prices

From $5,346 NZD
HK$23,500 HKD
As of October 28, 2026
Save $7,118 NZD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $12,464 NZD at MOH London · As of October 29, 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 2245088651. Listed at 17 retailers as of October 28, 2026, with prices from $5,346 to $12,464, a $7,118 spread on the same certified stone. MOH London lists it at $12,464. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2245088651
Dimensions6.45 × 6.45 × 4.44 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.45 mm6.45 mm1.50 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2245088651
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.8%

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: Oct 28
Current: $12,464 NZD|Low: $5,346 NZD|High: $13,250 NZD|Avg: $7,819 NZD|-5.9%
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
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 4$5,346 NZD
Retailer 9$5,856 NZD
Retailer 13$6,379 NZD
Retailer 17$6,628 NZD
Retailer 10$6,635 NZD
Retailer 3$6,638 NZD
Retailer 5$6,802 NZD
Retailer 7$6,843 NZD
Retailer 8$6,908 NZD
Retailer 11$7,025 NZD
Retailer 18$7,172 NZD
Retailer 16$7,287 NZD
Retailer 2$7,560 NZD
Retailer 6$8,353 NZD
Retailer 12$8,377 NZD
Retailer 14$9,026 NZD
Retailer 15$11,592 NZD
MOH London$12,464 NZD

15 data points across 18 retailers

17 retailers$5,346 NZD to $12,464 NZD

A
Cheapest Retailer
-
$5,346 NZD
HK$23,500 HKD
Retailer 2
-
$5,856 NZD
$3,295 USD
View
Price last confirmed 12 days ago
Retailer 3
-
$6,379 NZD
€3,418 EUR
View
Price last confirmed 6 days ago
A
Retailer 4
-
$6,628 NZD
$3,729 USD
View
Retailer 5
-
$6,635 NZD
$3,733 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$6,638 NZD
$3,735 USD
View
A
Retailer 7
-
$6,802 NZD
SGD 5,172 SGD
View
Retailer 8
-
$6,908 NZD
$3,887 USD
View
Price last confirmed 11 days ago
A
Retailer 9
-
$7,025 NZD
£3,112 GBP
View
Retailer 10
-
$7,172 NZD
$4,035 USD
View
Price last confirmed 7 days ago
Retailer 11
-
$7,287 NZD
$4,100 USD
View
Price last confirmed 7 days ago
A
Retailer 12
-
$7,560 NZD
£3,349 GBP
View
A
Retailer 13
-
$8,353 NZD
$4,700 USD
View
A
Retailer 14
-
$8,377 NZD
€4,489 EUR
View
A
Retailer 15
-
$9,026 NZD
ZAR 82,048 ZAR
View
B+
Retailer 16
-
$11,592 NZD
$6,522 USD
View
Most Expensive
B+
MOH London
159D8BEB3 · Oct 29
$12,464 NZD
£5,522 GBP
View
16 more retailers have this diamond
Prices start from $5,346 NZDSave up to $7,118 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
$5,346 NZD