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Cushion|Natural|GIA

1.51ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 7548774120

Certificate GIA 7548774120

Diamond specifications and retailer prices

From $6,711 NZD
HK$29,500 HKD
As of November 1, 2026
Save $8,965 NZD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $15,676 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 7548774120. Listed at 15 retailers as of October 28, 2026, with prices from $6,711 to $15,676, a $8,965 spread on the same certified stone. Queensmith lists it at $15,676. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7548774120
Dimensions7.90 × 5.89 × 3.99 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Needle
Top View
7.90 mm5.89 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7548774120
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.8%

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: $15,676 NZD|Low: $6,666 NZD|High: $15,778 NZD|Avg: $9,429 NZD|+2.2%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 3, 2026
Retailer 10$6,711 NZD
Retailer 6$7,184 NZD
Retailer 5$7,910 NZD
Retailer 3$8,188 NZD
Retailer 7$8,358 NZD
Retailer 12$8,541 NZD
Retailer 2$8,821 NZD
Retailer 11$8,871 NZD
Retailer 4$9,140 NZD
Retailer 13$9,366 NZD
Retailer 8$10,036 NZD
Retailer 9$14,128 NZD
Queensmith$15,676 NZD

26 data points across 13 retailers

15 retailers$6,711 NZD to $15,676 NZD

A
Cheapest Retailer
-
$6,711 NZD
HK$29,500 HKD
A
Retailer 2
-
$7,184 NZD
₹384,944 INR
View
A
Retailer 3
-
$7,910 NZD
SGD 6,014 SGD
View
A
Retailer 4
-
$8,188 NZD
$4,607 USD
View
Final sale: no returns
A
Retailer 5
-
$8,224 NZD
$4,627 USD
View
A
Retailer 6
-
$8,358 NZD
£3,703 GBP
View
A
Retailer 7
-
$8,541 NZD
SGD 6,494 SGD
View
A
Retailer 8
-
$8,821 NZD
£3,908 GBP
View
A
Retailer 9
-
$8,871 NZD
$4,991 USD
View
A
Retailer 10
-
$9,140 NZD
$5,143 USD
View
A
Retailer 11
-
$9,205 NZD
A$7,968 AUD
View
B+
Retailer 12
-
$9,366 NZD
$5,270 USD
View
B+
Retailer 13
-
$10,036 NZD
€5,378 EUR
View
B+
Retailer 14
-
$14,128 NZD
£6,259 GBP
View
Most Expensive
B
Queensmith
7548774120 · Oct 28
$15,676 NZD
£6,945 GBP
View
14 more retailers have this diamond
Prices start from $6,711 NZDSave up to $8,965 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
$6,711 NZD