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Cushion|Natural|GIA

1.50ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 6542936162

Certificate GIA 6542936162

Diamond specifications and retailer prices

From €5,478 EUR
HK$48,000 HKD
As of November 2, 2026
Save €4,685 EUR (46%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €10,162 EUR 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 6542936162. Listed at 18 retailers as of October 28, 2026, with prices from €5,478 to €10,162, a €4,685 spread on the same certified stone. Queensmith lists it at €10,162. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6542936162
Dimensions8.16 × 5.83 × 3.82 mm
L/W Ratio1.40
Top View
8.16 mm5.83 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6542936162
Side View
Table 67.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 65.6%

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 2
Current: €10,162 EUR|Low: €5,455 EUR|High: €10,225 EUR|Avg: €7,181 EUR|+0.7%
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
Retailer 15
Retailer 16
November 2, 2026
Retailer 10€5,478 EUR
Retailer 9€5,802 EUR
Retailer 5€5,958 EUR
Retailer 8€6,261 EUR
Retailer 7€6,278 EUR
Retailer 2€6,571 EUR
Retailer 6€6,581 EUR
Retailer 3€6,598 EUR
Retailer 13€6,656 EUR
Retailer 14€6,802 EUR
Retailer 4€6,948 EUR
Retailer 12€7,363 EUR
Retailer 11€7,877 EUR
Retailer 16€8,906 EUR
Retailer 15€10,104 EUR
Queensmith€10,162 EUR

27 data points across 16 retailers

18 retailers€5,478 EUR to €10,162 EUR

A
Cheapest Retailer
-
€5,478 EUR
HK$48,000 HKD
A
Retailer 2
-
€5,802 EUR
₹619,802 INR
View
B+
Retailer 3
-
€5,958 EUR
$6,682 USD
View
B+
Retailer 4
-
€6,261 EUR
$7,022 USD
View
Retailer 5
-
€6,278 EUR
SGD 9,515 SGD
View
Price last confirmed 23 days ago
B+
Retailer 6
-
€6,571 EUR
$7,370 USD
View
B+
Retailer 7
-
€6,581 EUR
SGD 9,975 SGD
View
B+
Retailer 8
-
€6,598 EUR
$7,400 USD
View
B+
Retailer 9
-
€6,656 EUR
$7,465 USD
View
Final sale: no returns
B+
Retailer 10
-
€6,782 EUR
$7,607 USD
View
B+
Retailer 11
-
€6,802 EUR
£6,008 GBP
View
Retailer 12
-
€6,948 EUR
A$11,989 AUD
View
Price last confirmed 12 days ago
B+
Retailer 13
-
€7,363 EUR
$8,259 USD
View
B+
Retailer 14
-
€7,660 EUR
A$13,218 AUD
View
B+
Retailer 15
-
€7,877 EUR
View
B
Retailer 16
-
€8,906 EUR
ZAR 161,378 ZAR
View
B
Retailer 17
-
€10,104 EUR
£8,923 GBP
View
Most Expensive
B
Queensmith
6542936162 · Oct 28
€10,162 EUR
£8,975 GBP
View
17 more retailers have this diamond
Prices start from €5,478 EURSave up to €4,685 EUR

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
€5,478 EUR