Cushion|Natural|GIA

1.50ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 6412143967

Certificate GIA 6412143967

Diamond specifications and retailer prices

From $9,553 AUD
As of November 6, 2026
Save $8,341 AUD (47%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $17,894 AUD 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 6412143967. Listed at 18 retailers as of November 4, 2026, with prices from $9,553 to $17,894, a $8,341 spread on the same certified stone. MOH London lists it at $17,894. 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 6412143967
Dimensions7.17 × 6.02 × 4.19 mm
L/W Ratio1.19
Top View
7.17 mm6.02 mm1.50 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 6412143967
Side View
Table 77.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 69.6%

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: $17,894 AUD|Low: $9,553 AUD|High: $18,158 AUD|Avg: $11,966 AUD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$9,553 AUD
Retailer 5$9,584 AUD
Retailer 10$10,344 AUD
Retailer 6$10,766 AUD
Retailer 9$10,955 AUD
Retailer 2$11,068 AUD
Retailer 4$11,883 AUD
Retailer 7$12,039 AUD
Retailer 3$13,301 AUD
MOH London$17,894 AUD

43 data points across 10 retailers

18 retailers$9,553 AUD to $17,894 AUD

B
Cheapest Retailer
-
$9,553 AUD
B+
Retailer 2
-
$9,584 AUD
View
B
Retailer 3
-
$9,999 AUD
View
B
Retailer 4
-
$10,080 AUD
View
B
Retailer 5
-
$10,344 AUD
View
B
Retailer 6
-
$10,642 AUD
View
Retailer 7
-
$10,766 AUD
View
Price last confirmed 9 days ago
B
Retailer 8
-
$10,955 AUD
View
B
Retailer 9
-
$11,068 AUD
View
B
Retailer 10
-
$11,883 AUD
View
B
Retailer 11
-
$12,039 AUD
View
B
Retailer 12
-
$12,345 AUD
View
B
Retailer 13
-
$12,822 AUD
View
B
Retailer 14
-
$12,822 AUD
View
B
Retailer 15
-
$13,259 AUD
View
B
Retailer 16
-
$13,301 AUD
View
Retailer 17
-
$14,179 AUD
View
Price last confirmed 15 days ago
Most Expensive
B
MOH London
E42552174 · Nov 4
$17,894 AUD
£9,681 GBP
View
17 more retailers have this diamond
Prices start from $9,553 AUDSave up to $8,341 AUD

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
$9,553 AUD