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Cushion|Natural|GIA

1.51ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 1553333834

Certificate GIA 1553333834

Diamond specifications and retailer prices

From $5,483 NZD
HK$24,100 HKD
As of November 1, 2026
Save $6,650 NZD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $12,132 NZD at MOH London · As of November 1, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553333834. Listed at 16 retailers as of November 1, 2026, with prices from $5,483 to $12,132, a $6,650 spread on the same certified stone. MOH London lists it at $12,132. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553333834
Dimensions7.30 × 5.70 × 3.98 mm
L/W Ratio1.28
Girdle conditionVery Thick to Extremely Thick
Top View
7.30 mm5.70 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553333834
Side View
Table 67.0%CrownGirdle: VTK-XTKPavilionCulet: NoneDepth 69.8%

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 1
Current: $12,132 NZD|Low: $5,437 NZD|High: $12,487 NZD|Avg: $7,348 NZD|-2.8%
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
November 2, 2026
Retailer 10$5,483 NZD
Retailer 4$5,687 NZD
Retailer 5$5,835 NZD
Retailer 13$5,965 NZD
Retailer 3$6,066 NZD
Retailer 14$6,228 NZD
Retailer 12$6,573 NZD
Retailer 6$6,952 NZD
Retailer 7$7,076 NZD
Retailer 9$7,421 NZD
Retailer 8$8,207 NZD
Retailer 11$8,209 NZD
Retailer 2$8,247 NZD
MOH London$12,132 NZD

34 data points across 14 retailers

16 retailers$5,483 NZD to $12,132 NZD

A
Cheapest Retailer
-
$5,483 NZD
HK$24,100 HKD
A
Retailer 2
-
$5,687 NZD
$3,200 USD
View
A
Retailer 3
-
$5,835 NZD
$3,283 USD
View
A
Retailer 4
-
$5,965 NZD
$3,356 USD
View
A
Retailer 5
-
$6,066 NZD
$3,413 USD
View
Final sale: no returns
A
Retailer 6
-
$6,228 NZD
$3,504 USD
View
A
Retailer 7
-
$6,573 NZD
$3,698 USD
View
A
Retailer 8
-
$6,952 NZD
$3,912 USD
View
A
Retailer 9
-
$7,076 NZD
£3,135 GBP
View
A
Retailer 10
-
$7,388 NZD
$4,157 USD
View
A
Retailer 11
-
$7,421 NZD
£3,288 GBP
View
B+
Retailer 12
-
$8,207 NZD
€4,398 EUR
View
B+
Retailer 13
-
$8,247 NZD
$4,640 USD
View
B+
Retailer 14
-
$9,100 NZD
$5,120 USD
View
B+
Retailer 15
-
$9,402 NZD
$5,290 USD
View
Most Expensive
B
MOH London
711C6122D · Nov 1
$12,132 NZD
£5,375 GBP
View
15 more retailers have this diamond
Prices start from $5,483 NZDSave up to $6,650 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
$5,483 NZD