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Cushion|Natural|GIA

1.50ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 2546894345

Certificate GIA 2546894345

Diamond specifications and retailer prices

From €4,337 EUR
HK$38,000 HKD
As of November 1, 2026
Save €4,569 EUR (51%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €8,906 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 2546894345. Listed at 19 retailers as of October 28, 2026, with prices from €4,337 to €8,906, a €4,569 spread on the same certified stone. Queensmith lists it at €8,906. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2546894345
Dimensions7.50 × 5.92 × 4.04 mm
L/W Ratio1.27
Top View
7.50 mm5.92 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2546894345
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.3%

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: €8,906 EUR|Low: €4,302 EUR|High: €8,979 EUR|Avg: €6,028 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€4,337 EUR
Retailer 2€4,632 EUR
Retailer 14€4,843 EUR
Retailer 6€5,111 EUR
Retailer 4€5,282 EUR
Retailer 7€5,354 EUR
Retailer 9€5,490 EUR
Retailer 13€5,723 EUR
Retailer 5€5,864 EUR
Retailer 3€5,974 EUR
Retailer 8€6,251 EUR
Retailer 11€7,031 EUR
Retailer 10€8,431 EUR
Queensmith€8,906 EUR

23 data points across 14 retailers

19 retailers€4,337 EUR to €8,906 EUR

A
Cheapest Retailer
-
€4,337 EUR
HK$38,000 HKD
A
Retailer 2
-
€4,632 EUR
₹494,779 INR
View
A
Retailer 3
-
€4,843 EUR
$5,432 USD
View
Retailer 4
-
€4,981 EUR
SGD 7,549 SGD
View
Price last confirmed 20 days ago
A
Retailer 5
-
€5,111 EUR
SGD 7,747 SGD
View
A
Retailer 6
-
€5,282 EUR
$5,924 USD
View
Final sale: no returns
B+
Retailer 7
-
€5,315 EUR
$5,961 USD
View
B+
Retailer 8
-
€5,318 EUR
$5,965 USD
View
A
Retailer 9
-
€5,354 EUR
£4,729 GBP
View
A
Retailer 10
-
€5,490 EUR
£4,848 GBP
View
Retailer 11
-
€5,679 EUR
A$9,799 AUD
View
Price last confirmed 24 days ago
B+
Retailer 12
-
€5,723 EUR
$6,419 USD
View
B+
Retailer 13
-
€5,864 EUR
$6,577 USD
View
B+
Retailer 14
-
€5,974 EUR
$6,701 USD
View
B+
Retailer 15
-
€5,980 EUR
A$10,318 AUD
View
B+
Retailer 16
-
€6,251 EUR
View
B+
Retailer 17
-
€7,031 EUR
ZAR 127,404 ZAR
View
B
Retailer 18
-
€8,431 EUR
£7,446 GBP
View
Most Expensive
B
Queensmith
2546894345 · Oct 28
€8,906 EUR
£7,865 GBP
View
18 more retailers have this diamond
Prices start from €4,337 EURSave up to €4,569 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
€4,337 EUR