CaratHunter
Plans
Cushion|Natural|GIA

1.50ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 6541643501

Certificate GIA 6541643501

Diamond specifications and retailer prices

From €4,228 EUR
HK$36,900 HKD
As of November 1, 2026
Save €4,582 EUR (52%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €8,810 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 €4,228 to €8,810, a €4,582 spread on the same certified stone. Queensmith lists it at €8,810. 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
Color
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 1
Current: €8,810 EUR|Low: €4,193 EUR|High: €8,844 EUR|Avg: €5,806 EUR|+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
November 2, 2026
Retailer 12€4,228 EUR
Retailer 8€4,494 EUR
Retailer 3€4,696 EUR
Retailer 2€5,123 EUR
Retailer 5€5,165 EUR
Retailer 9€5,259 EUR
Retailer 7€5,325 EUR
Retailer 4€5,326 EUR
Retailer 14€5,581 EUR
Retailer 6€5,722 EUR
Retailer 13€6,100 EUR
Retailer 11€6,857 EUR
Retailer 10€8,222 EUR
Queensmith€8,810 EUR

24 data points across 14 retailers

21 retailers€4,228 EUR to €8,810 EUR

A
Cheapest Retailer
-
€4,228 EUR
HK$36,900 HKD
A
Retailer 2
-
€4,494 EUR
₹478,131 INR
View
B+
Retailer 3
-
€4,696 EUR
$5,246 USD
View
B+
Retailer 4
-
€4,823 EUR
SGD 7,282 SGD
View
B+
Retailer 5
-
€4,889 EUR
$5,462 USD
View
B+
Retailer 6
-
€5,123 EUR
$5,724 USD
View
Final sale: no returns
B+
Retailer 7
-
€5,165 EUR
SGD 7,798 SGD
View
B+
Retailer 8
-
€5,259 EUR
£4,626 GBP
View
B+
Retailer 9
-
€5,325 EUR
£4,685 GBP
View
B
Retailer 10
-
€5,326 EUR
$5,950 USD
View
B+
Retailer 11
-
€5,371 EUR
$6,000 USD
View
B
Retailer 12
-
€5,581 EUR
$6,235 USD
View
Retailer 13
-
€5,710 EUR
A$9,815 AUD
View
Price last confirmed 29 days ago
B+
Retailer 14
-
€5,719 EUR
$6,390 USD
View
B+
Retailer 15
-
€5,722 EUR
$6,393 USD
View
B+
Retailer 16
-
€5,835 EUR
$6,519 USD
View
B
Retailer 17
-
€6,021 EUR
A$10,348 AUD
View
B+
Retailer 18
-
€6,100 EUR
View
B
Retailer 19
-
€6,857 EUR
ZAR 123,766 ZAR
View
B
Retailer 20
-
€8,222 EUR
£7,233 GBP
View
Most Expensive
B
Queensmith
6541643501 · Oct 28
€8,810 EUR
£7,750 GBP
View
20 more retailers have this diamond
Prices start from €4,228 EURSave up to €4,582 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
€4,228 EUR