CaratHunter
Plans
Cushion|Natural|GIA

1.50ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6541781711

Certificate GIA 6541781711

Diamond specifications and retailer prices

From $5,938 NZD
HK$26,100 HKD
As of November 2, 2026
Save $6,396 NZD (52%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $12,809 NZD at Wholesale Diamonds Direct · As of October 23, 2026
View at Wholesale Diamonds Direct

About this 1.5ct natural cushion diamond

This 1.5ct natural cushion sits in the one-and-a-half to two carat band, graded I 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 6541781711. Listed at 22 retailers as of November 1, 2026, with a 108% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle37.7°
OriginNatural
Grading LabGIA
CertificateGIA 6541781711
Dimensions7.14 × 6.19 × 4.29 mm
L/W Ratio1.15
Top View
7.14 mm6.19 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541781711
Side View
Table 66.0%CrownGirdle: STK-THKPavilion 37.7°Culet: NoneDepth 69.3%

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 2
Current: $6,622 NZD|Low: $5,915 NZD|High: $13,138 NZD|Avg: $7,979 NZD|+6.3%
Retailer 1
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
Wholesale Diamonds Direct
November 2, 2026
Retailer 11$5,938 NZD
Retailer 9$6,381 NZD
Retailer 1$6,622 NZD
Retailer 3$6,795 NZD
Retailer 7$6,893 NZD
Retailer 8$6,905 NZD
Retailer 17$7,145 NZD
Retailer 15$7,251 NZD
Retailer 12$7,456 NZD
Retailer 10$7,482 NZD
Retailer 2$7,598 NZD
Retailer 5$7,697 NZD
Retailer 14$7,914 NZD
Retailer 6$8,010 NZD
Retailer 16$8,039 NZD
Retailer 13$8,892 NZD
Retailer 4$9,867 NZD
Retailer 18$12,333 NZD
Wholesale Diamonds Direct$12,809 NZD

19 data points across 19 retailers

22 retailers$5,938 NZD to $12,333 NZD

A
Cheapest Retailer
-
$5,938 NZD
HK$26,100 HKD
Retailer 2
-
$6,381 NZD
$3,590 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$6,622 NZD
$3,726 USD
View
A
Retailer 4
-
$6,795 NZD
€3,641 EUR
View
A
Retailer 5
-
$6,893 NZD
$3,878 USD
View
A
Retailer 6
-
$6,905 NZD
$3,885 USD
View
A
Retailer 7
-
$7,145 NZD
$4,020 USD
View
A
Retailer 8
-
$7,251 NZD
$4,080 USD
View
Final sale: no returns
A
Retailer 9
-
$7,317 NZD
A$6,333 AUD
View
A
Retailer 10
-
$7,456 NZD
£3,303 GBP
View
A
Retailer 11
-
$7,482 NZD
$4,210 USD
View
A
Retailer 12
-
$7,598 NZD
$4,275 USD
View
A
Retailer 13
-
$7,697 NZD
$4,331 USD
View
B+
Retailer 14
-
$7,914 NZD
$4,453 USD
View
B+
Retailer 15
-
$8,010 NZD
$4,507 USD
View
A
Retailer 16
-
$8,039 NZD
£3,562 GBP
View
Retailer 17
-
$8,381 NZD
A$7,255 AUD
View
Price last confirmed 23 days ago
B+
Retailer 18
-
$8,523 NZD
A$7,378 AUD
View
B+
Retailer 19
-
$8,892 NZD
€4,765 EUR
View
B+
Retailer 20
-
$9,867 NZD
ZAR 89,688 ZAR
View
B
Retailer 21
-
$12,333 NZD
£5,464 GBP
View
Most Expensive
Wholesale Diamonds Direct
425984398 · Oct 23
$12,809 NZD
$7,207 USD
View
Price last confirmed 9 days ago
21 more retailers have this diamond
Prices start from $5,938 NZDSave up to $6,396 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
$5,938 NZD