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Cushion|Natural|GIA

1.51ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 2225586805

Certificate GIA 2225586805

Diamond specifications and retailer prices

From $17,667 NZD
$9,957 USD
As of November 1, 2026
Save $12,098 NZD (41%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $29,765 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2225586805. Listed at 14 retailers as of November 1, 2026, with prices from $17,667 to $29,765, a $12,098 spread on the same certified stone. MOH London lists it at $29,765. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2225586805
Dimensions7.18 × 6.08 × 4.16 mm
L/W Ratio1.18
Culet sizeNone
Top View
7.18 mm6.08 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2225586805
Side View
Table 58.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 68.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $29,765 NZD|Low: $16,927 NZD|High: $30,123 NZD|Avg: $22,727 NZD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 6$16,927 NZD
Retailer 7$19,060 NZD
Retailer 3$20,600 NZD
Retailer 5$20,711 NZD
Retailer 2$22,937 NZD
Retailer 4$28,000 NZD
MOH London$29,765 NZD

44 data points across 7 retailers

14 retailers$17,667 NZD to $29,765 NZD

Retailer 1
-
$16,927 NZD
$9,540 USD
Price last confirmed 11 days ago
B
Retailer 2
-
$17,667 NZD
$9,957 USD
View
B
Retailer 3
-
$17,683 NZD
$9,966 USD
View
B
Retailer 4
-
$18,221 NZD
CA$14,263 CAD
View
B
Retailer 5
-
$18,816 NZD
$10,605 USD
View
B
Retailer 6
-
$19,060 NZD
$10,742 USD
View
B
Retailer 7
-
$19,217 NZD
$10,831 USD
View
B
Retailer 8
-
$20,600 NZD
£9,142 GBP
View
Retailer 9
-
$20,711 NZD
A$17,958 AUD
View
Price last confirmed 9 days ago
B
Retailer 10
-
$22,026 NZD
$12,414 USD
View
B
Retailer 11
-
$22,937 NZD
€12,312 EUR
View
Retailer 12
-
$25,074 NZD
$14,132 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
$28,000 NZD
ZAR 254,937 ZAR
View
Most Expensive
B
MOH London
7E276AAAE · Nov 1
$29,765 NZD
£13,209 GBP
View
13 more retailers have this diamond
Prices start from $17,667 NZDSave up to $12,098 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.

B
1.51ct Cushion
$17,667 NZD