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Cushion|Natural|GIA

1.51ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 5543528221

Certificate GIA 5543528221

Diamond specifications and retailer prices

From $6,802 NZD
HK$29,900 HKD
As of November 1, 2026
Save $8,964 NZD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $15,766 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 F 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 5543528221. Listed at 13 retailers as of October 28, 2026, with prices from $6,802 to $15,766, a $8,964 spread on the same certified stone. Queensmith lists it at $15,766. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5543528221
Dimensions7.60 × 5.85 × 4.07 mm
L/W Ratio1.30
Top View
7.60 mm5.85 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5543528221
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.6%

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: $15,766 NZD|Low: $6,734 NZD|High: $15,879 NZD|Avg: $10,011 NZD|+1.7%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7$6,802 NZD
Retailer 2$7,276 NZD
Retailer 3$8,014 NZD
Retailer 9$8,295 NZD
Retailer 5$8,937 NZD
Retailer 8$8,988 NZD
Retailer 10$9,082 NZD
Retailer 11$9,257 NZD
Retailer 4$10,169 NZD
Retailer 6$14,315 NZD
Queensmith$15,766 NZD

32 data points across 11 retailers

13 retailers$6,802 NZD to $15,766 NZD

A
Cheapest Retailer
-
$6,802 NZD
HK$29,900 HKD
A
Retailer 2
-
$7,276 NZD
₹389,880 INR
View
A
Retailer 3
-
$8,014 NZD
SGD 6,093 SGD
View
A
Retailer 4
-
$8,295 NZD
$4,667 USD
View
Final sale: no returns
A
Retailer 5
-
$8,332 NZD
$4,688 USD
View
A
Retailer 6
-
$8,937 NZD
£3,959 GBP
View
A
Retailer 7
-
$8,988 NZD
$5,057 USD
View
A
Retailer 8
-
$9,082 NZD
$5,110 USD
View
A
Retailer 9
-
$9,257 NZD
$5,209 USD
View
B+
Retailer 10
-
$9,424 NZD
A$8,158 AUD
View
B+
Retailer 11
-
$10,169 NZD
€5,449 EUR
View
B+
Retailer 12
-
$14,315 NZD
£6,342 GBP
View
Most Expensive
B
Queensmith
5543528221 · Oct 28
$15,766 NZD
£6,985 GBP
View
12 more retailers have this diamond
Prices start from $6,802 NZDSave up to $8,964 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
$6,802 NZD