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Cushion|Natural|GIA

1.51ct D SI2 Cushion Natural Diamond

EX • D/SI2 • GIA 2547868500

Certificate GIA 2547868500

Diamond specifications and retailer prices

From $7,585 NZD
HK$33,400 HKD
As of November 1, 2026
Save $9,011 NZD (54%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $16,596 NZD at Queensmith · As of October 28, 2026
View at Queensmith

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2547868500. Listed at 15 retailers as of October 28, 2026, with prices from $7,585 to $16,596, a $9,011 spread on the same certified stone. Queensmith lists it at $16,596. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2547868500
Dimensions7.99 × 5.79 × 3.91 mm
L/W Ratio1.38
Top View
7.99 mm5.79 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2547868500
Side View
Table 66.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.6%

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: $16,596 NZD|Low: $7,517 NZD|High: $16,720 NZD|Avg: $10,713 NZD|+2.0%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 9$7,585 NZD
Retailer 7$8,101 NZD
Retailer 4$8,934 NZD
Retailer 12$9,241 NZD
Retailer 2$9,434 NZD
Retailer 6$9,768 NZD
Retailer 10$10,012 NZD
Retailer 3$10,287 NZD
Retailer 11$10,513 NZD
Retailer 5$11,329 NZD
Retailer 8$15,947 NZD
Queensmith$16,596 NZD

25 data points across 12 retailers

15 retailers$7,585 NZD to $16,596 NZD

A
Cheapest Retailer
-
$7,585 NZD
HK$33,400 HKD
A
Retailer 2
-
$8,101 NZD
₹434,828 INR
View
A
Retailer 3
-
$8,934 NZD
SGD 6,804 SGD
View
A
Retailer 4
-
$9,241 NZD
$5,208 USD
View
Final sale: no returns
A
Retailer 5
-
$9,288 NZD
$5,235 USD
View
A
Retailer 6
-
$9,434 NZD
£4,187 GBP
View
Retailer 7
-
$9,710 NZD
SGD 7,395 SGD
View
Price last confirmed 19 days ago
A
Retailer 8
-
$9,768 NZD
£4,335 GBP
View
A
Retailer 9
-
$10,012 NZD
$5,643 USD
View
A
Retailer 10
-
$10,227 NZD
A$8,868 AUD
View
A
Retailer 11
-
$10,287 NZD
$5,798 USD
View
B+
Retailer 12
-
$10,513 NZD
$5,925 USD
View
B+
Retailer 13
-
$11,329 NZD
€6,081 EUR
View
B+
Retailer 14
-
$15,947 NZD
£7,077 GBP
View
Most Expensive
B
Queensmith
2547868500 · Oct 28
$16,596 NZD
£7,365 GBP
View
14 more retailers have this diamond
Prices start from $7,585 NZDSave up to $9,011 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
$7,585 NZD