CaratHunter
Plans
Cushion|Natural|GIA

1.50ct E SI2 Cushion Natural Diamond

ID • E/SI2 • GIA 1553328108

Certificate GIA 1553328108

Diamond specifications and retailer prices

From $5,318 SGD
HK$32,500 HKD
As of October 29, 2026
Save $6,599 SGD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $11,917 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 E 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 1553328108. Listed at 16 retailers as of October 28, 2026, with prices from $5,318 to $11,917, a $6,599 spread on the same certified stone. Queensmith lists it at $11,917. 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
E
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553328108
Dimensions7.60 × 5.83 × 4.10 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Indented Natural, Needle
Top View
7.60 mm5.83 mm1.50 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1553328108
Side View
Table 62.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 70.3%

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: Oct 29
Current: $11,917 SGD|Low: $5,318 SGD|High: $11,998 SGD|Avg: $7,536 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
Retailer 14
October 29, 2026
Retailer 13$5,318 SGD
Retailer 10$5,752 SGD
Retailer 3$6,310 SGD
Retailer 6$6,325 SGD
Retailer 14$6,613 SGD
Retailer 7$6,790 SGD
Retailer 12$6,832 SGD
Retailer 2$6,968 SGD
Retailer 4$7,146 SGD
Retailer 11$7,164 SGD
Retailer 5$7,362 SGD
Retailer 9$8,096 SGD
Retailer 8$11,472 SGD
Queensmith$11,917 SGD

24 data points across 14 retailers

16 retailers$5,318 SGD to $11,917 SGD

A
Cheapest Retailer
-
$5,318 SGD
HK$32,500 HKD
A
Retailer 2
-
$5,752 SGD
₹428,546 INR
View
A
Retailer 3
-
$6,310 SGD
$4,936 USD
View
A
Retailer 4
-
$6,325 SGD
View
A
Retailer 5
-
$6,576 SGD
$5,144 USD
View
A
Retailer 6
-
$6,613 SGD
$5,173 USD
View
Final sale: no returns
A
Retailer 7
-
$6,790 SGD
£4,182 GBP
View
A
Retailer 8
-
$6,832 SGD
View
A
Retailer 9
-
$6,968 SGD
£4,292 GBP
View
A
Retailer 10
-
$7,146 SGD
$5,590 USD
View
A
Retailer 11
-
$7,164 SGD
$5,604 USD
View
A
Retailer 12
-
$7,219 SGD
A$8,688 AUD
View
A
Retailer 13
-
$7,362 SGD
$5,759 USD
View
B+
Retailer 14
-
$8,096 SGD
€6,031 EUR
View
B+
Retailer 15
-
$11,472 SGD
£7,066 GBP
View
Most Expensive
B
Queensmith
1553328108 · Oct 28
$11,917 SGD
£7,340 GBP
View
15 more retailers have this diamond
Prices start from $5,318 SGDSave up to $6,599 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
$5,318 SGD