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Cushion|Natural|GIA

1.50ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 6541643501

Certificate GIA 6541643501

Diamond specifications and retailer prices

From €4,188 EUR
HK$36,700 HKD
As of November 2, 2026
Save €4,587 EUR (52%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €8,775 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6541643501. Listed at 21 retailers as of October 28, 2026, with prices from €4,188 to €8,775, a €4,587 spread on the same certified stone. Queensmith lists it at €8,775. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6541643501
Dimensions7.86 × 5.86 × 3.95 mm
L/W Ratio1.34
Top View
7.86 mm5.86 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541643501
Side View
Table 67.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.3%

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: Nov 2
Current: €8,775 EUR|Low: €4,177 EUR|High: €8,809 EUR|Avg: €5,763 EUR|+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
Retailer 14
November 2, 2026
Retailer 7€4,188 EUR
Retailer 2€4,452 EUR
Retailer 4€4,677 EUR
Retailer 11€5,103 EUR
Retailer 6€5,145 EUR
Retailer 8€5,210 EUR
Retailer 12€5,305 EUR
Retailer 5€5,305 EUR
Retailer 3€5,559 EUR
Retailer 10€5,669 EUR
Retailer 9€6,040 EUR
Retailer 14€6,831 EUR
Retailer 13€8,190 EUR
Queensmith€8,775 EUR

23 data points across 14 retailers

21 retailers€4,188 EUR to €8,775 EUR

A
Cheapest Retailer
-
€4,188 EUR
HK$36,700 HKD
A
Retailer 2
-
€4,452 EUR
₹475,508 INR
View
B+
Retailer 3
-
€4,677 EUR
$5,246 USD
View
B+
Retailer 4
-
€4,804 EUR
SGD 7,282 SGD
View
B+
Retailer 5
-
€4,870 EUR
$5,462 USD
View
B+
Retailer 6
-
€5,103 EUR
$5,724 USD
View
Final sale: no returns
B+
Retailer 7
-
€5,145 EUR
SGD 7,798 SGD
View
B+
Retailer 8
-
€5,210 EUR
£4,601 GBP
View
B+
Retailer 9
-
€5,305 EUR
£4,685 GBP
View
B
Retailer 10
-
€5,305 EUR
$5,950 USD
View
B+
Retailer 11
-
€5,349 EUR
$6,000 USD
View
B
Retailer 12
-
€5,559 EUR
$6,235 USD
View
B+
Retailer 13
-
€5,669 EUR
$6,359 USD
View
Retailer 14
-
€5,688 EUR
A$9,815 AUD
View
Price last confirmed 29 days ago
B+
Retailer 15
-
€5,697 EUR
$6,390 USD
View
B+
Retailer 16
-
€5,812 EUR
$6,519 USD
View
B
Retailer 17
-
€5,997 EUR
A$10,348 AUD
View
B+
Retailer 18
-
€6,040 EUR
View
B
Retailer 19
-
€6,831 EUR
ZAR 123,766 ZAR
View
B
Retailer 20
-
€8,190 EUR
£7,233 GBP
View
Most Expensive
B
Queensmith
6541643501 · Oct 28
€8,775 EUR
£7,750 GBP
View
20 more retailers have this diamond
Prices start from €4,188 EURSave up to €4,587 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
€4,188 EUR