Cushion|Natural|GIA

1.50ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 5543750463

Certificate GIA 5543750463

Diamond specifications and retailer prices

From $4,800 USD
HK$37,500 HKD
As of October 31, 2026
Save $5,119 USD (52%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,919 USD 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5543750463. Listed at 19 retailers as of October 28, 2026, with prices from $4,800 to $9,919, a $5,119 spread on the same certified stone. Queensmith lists it at $9,919. 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
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5543750463
Dimensions7.38 × 5.80 × 3.97 mm
L/W Ratio1.27
Top View
7.38 mm5.80 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5543750463
Side View
Table 68.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $9,919 USD|Low: $4,762 USD|High: $9,995 USD|Avg: $6,642 USD|+1.8%
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 31, 2026
Retailer 8$4,800 USD
Retailer 7$5,130 USD
Retailer 13$5,360 USD
Retailer 5$5,654 USD
Retailer 3$5,843 USD
Retailer 11$5,941 USD
Retailer 10$6,073 USD
Retailer 6$6,302 USD
Retailer 4$6,488 USD
Retailer 14$6,614 USD
Retailer 9$6,917 USD
Retailer 2$7,778 USD
Retailer 12$9,376 USD
Queensmith$9,919 USD

23 data points across 14 retailers

19 retailers$4,800 USD to $9,919 USD

A
Cheapest Retailer
-
$4,800 USD
HK$37,500 HKD
A
Retailer 2
-
$5,130 USD
₹488,587 INR
View
A
Retailer 3
-
$5,360 USD
View
Retailer 4
-
$5,510 USD
SGD 7,446 SGD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$5,654 USD
SGD 7,641 SGD
View
A
Retailer 6
-
$5,843 USD
View
Final sale: no returns
A
Retailer 7
-
$5,879 USD
View
A
Retailer 8
-
$5,880 USD
View
A
Retailer 9
-
$5,941 USD
£4,678 GBP
View
A
Retailer 10
-
$6,073 USD
£4,782 GBP
View
Retailer 11
-
$6,302 USD
A$9,695 AUD
View
Price last confirmed 21 days ago
Retailer 12
-
$6,375 USD
View
Price last confirmed 15 days ago
B+
Retailer 13
-
$6,488 USD
View
B+
Retailer 14
-
$6,505 USD
A$10,008 AUD
View
B+
Retailer 15
-
$6,614 USD
View
B+
Retailer 16
-
$6,917 USD
€6,588 EUR
View
B+
Retailer 17
-
$7,778 USD
ZAR 125,655 ZAR
View
B+
Retailer 18
-
$9,376 USD
£7,383 GBP
View
Most Expensive
B
Queensmith
5543750463 · Oct 28
$9,919 USD
£7,810 GBP
View
18 more retailers have this diamond
Prices start from $4,800 USDSave up to $5,119 USD

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
$4,800 USD