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Cushion|Natural|GIA

1.51ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6542714039

Certificate GIA 6542714039

Diamond specifications and retailer prices

From $6,029 NZD
HK$26,500 HKD
As of November 2, 2026
Save $7,025 NZD (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $13,053 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.51ct natural cushion diamond

This 1.51ct 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 6542714039. Listed at 19 retailers as of November 2, 2026, with prices from $6,029 to $13,053, a $7,025 spread on the same certified stone. MOH London lists it at $13,053. 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

1.51
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle30.8°
OriginNatural
Grading LabGIA
CertificateGIA 6542714039
Dimensions7.36 × 5.88 × 4.04 mm
L/W Ratio1.25
Top View
7.36 mm5.88 mm1.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542714039
Side View
Table 64.0%CrownGirdle: STK-THKPavilion 30.8°Culet: 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: Nov 2
Current: $13,053 NZD|Low: $5,938 NZD|High: $13,654 NZD|Avg: $8,307 NZD|-4.4%
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
November 2, 2026
Retailer 13$6,029 NZD
Retailer 12$6,652 NZD
Retailer 2$6,748 NZD
Retailer 7$6,984 NZD
Retailer 3$7,241 NZD
Retailer 11$7,272 NZD
Retailer 17$7,564 NZD
Retailer 10$7,571 NZD
Retailer 18$7,693 NZD
Retailer 14$7,777 NZD
Retailer 4$7,900 NZD
Retailer 16$8,016 NZD
Retailer 6$8,025 NZD
Retailer 8$8,113 NZD
Retailer 15$9,273 NZD
Retailer 5$10,287 NZD
Retailer 9$12,977 NZD
MOH London$13,053 NZD

19 data points across 18 retailers

19 retailers$6,029 NZD to $13,053 NZD

A
Cheapest Retailer
-
$6,029 NZD
HK$26,500 HKD
A
Retailer 2
-
$6,652 NZD
$3,743 USD
View
A
Retailer 3
-
$6,748 NZD
€3,616 EUR
View
A
Retailer 4
-
$6,984 NZD
$3,930 USD
View
A
Retailer 5
-
$7,241 NZD
$4,074 USD
View
A
Retailer 6
-
$7,272 NZD
A$6,295 AUD
View
B+
Retailer 7
-
$7,564 NZD
$4,256 USD
View
Final sale: no returns
A
Retailer 8
-
$7,571 NZD
$4,260 USD
View
A
Retailer 9
-
$7,693 NZD
£3,408 GBP
View
A
Retailer 10
-
$7,777 NZD
£3,445 GBP
View
B+
Retailer 11
-
$7,900 NZD
$4,445 USD
View
B+
Retailer 12
-
$8,016 NZD
$4,510 USD
View
A
Retailer 13
-
$8,025 NZD
$4,515 USD
View
Retailer 14
-
$8,113 NZD
$4,565 USD
View
Price last confirmed 13 days ago
Retailer 15
-
$8,782 NZD
A$7,602 AUD
View
Price last confirmed 24 days ago
B+
Retailer 16
-
$9,273 NZD
€4,969 EUR
View
B+
Retailer 17
-
$10,287 NZD
ZAR 93,504 ZAR
View
Retailer 18
-
$12,977 NZD
$7,302 USD
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
87E195438 · Nov 2
$13,053 NZD
£5,783 GBP
View
18 more retailers have this diamond
Prices start from $6,029 NZDSave up to $7,025 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
1.51ct Cushion
$6,029 NZD