CaratHunter
Plans
Cushion|Natural|GIA

1.50ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 2557551279

Certificate GIA 2557551279

Diamond specifications and retailer prices

From $5,304 SGD
HK$32,400 HKD
As of November 1, 2026
Save $6,545 SGD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $11,849 SGD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.5ct natural cushion diamond

This 1.5ct 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 2557551279. Listed at 15 retailers as of October 28, 2026, with prices from $5,304 to $11,849, a $6,545 spread on the same certified stone. Queensmith lists it at $11,849. 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

1.50
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557551279
Dimensions7.54 × 5.81 × 3.99 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
7.54 mm5.81 mm1.50 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2557551279
Side View
Table 65.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.7%

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: $11,849 SGD|Low: $5,255 SGD|High: $11,930 SGD|Avg: $7,524 SGD|+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
Retailer 13
November 2, 2026
Retailer 10$5,304 SGD
Retailer 2$5,659 SGD
Retailer 5$6,249 SGD
Retailer 3$6,536 SGD
Retailer 6$6,673 SGD
Retailer 12$6,752 SGD
Retailer 8$6,909 SGD
Retailer 11$7,081 SGD
Retailer 4$7,279 SGD
Retailer 13$7,442 SGD
Retailer 7$8,013 SGD
Retailer 9$11,280 SGD
Queensmith$11,849 SGD

24 data points across 13 retailers

15 retailers$5,304 SGD to $11,849 SGD

A
Cheapest Retailer
-
$5,304 SGD
HK$32,400 HKD
A
Retailer 2
-
$5,659 SGD
₹421,397 INR
View
A
Retailer 3
-
$6,249 SGD
View
A
Retailer 4
-
$6,497 SGD
$5,080 USD
View
A
Retailer 5
-
$6,536 SGD
$5,111 USD
View
Final sale: no returns
A
Retailer 6
-
$6,673 SGD
£4,108 GBP
View
B+
Retailer 7
-
$6,752 SGD
View
A
Retailer 8
-
$6,909 SGD
£4,254 GBP
View
B+
Retailer 9
-
$7,081 SGD
$5,537 USD
View
B+
Retailer 10
-
$7,279 SGD
$5,692 USD
View
B+
Retailer 11
-
$7,442 SGD
$5,819 USD
View
B+
Retailer 12
-
$7,480 SGD
A$8,998 AUD
View
B+
Retailer 13
-
$8,013 SGD
€5,967 EUR
View
B
Retailer 14
-
$11,280 SGD
£6,945 GBP
View
Most Expensive
B
Queensmith
2557551279 · Oct 28
$11,849 SGD
£7,295 GBP
View
14 more retailers have this diamond
Prices start from $5,304 SGDSave up to $6,545 SGD

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
1.50ct Cushion
$5,304 SGD