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Cushion|Natural|GIA

1.50ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 2557551279

Certificate GIA 2557551279

Diamond specifications and retailer prices

From €3,698 EUR
HK$32,400 HKD
As of November 1, 2026
Save €4,563 EUR (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €8,260 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557551279. Listed at 15 retailers as of October 28, 2026, with prices from €3,698 to €8,260, a €4,563 spread on the same certified stone. Queensmith lists it at €8,260. 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
F
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557551279
Dimensions7.54 × 5.81 × 3.99 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
7.54 mm5.81 mm1.50 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2557551279
Side View
Table 65.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.7%

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: €8,260 EUR|Low: €3,663 EUR|High: €8,317 EUR|Avg: €5,245 EUR|+2.0%
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
November 2, 2026
Retailer 10€3,698 EUR
Retailer 2€3,945 EUR
Retailer 5€4,356 EUR
Retailer 3€4,557 EUR
Retailer 6€4,652 EUR
Retailer 12€4,707 EUR
Retailer 8€4,817 EUR
Retailer 11€4,937 EUR
Retailer 4€5,074 EUR
Retailer 13€5,188 EUR
Retailer 7€5,586 EUR
Retailer 9€7,864 EUR
Queensmith€8,260 EUR

24 data points across 13 retailers

15 retailers€3,698 EUR to €8,260 EUR

A
Cheapest Retailer
-
€3,698 EUR
HK$32,400 HKD
A
Retailer 2
-
€3,945 EUR
₹421,397 INR
View
A
Retailer 3
-
€4,356 EUR
SGD 6,603 SGD
View
A
Retailer 4
-
€4,529 EUR
$5,080 USD
View
A
Retailer 5
-
€4,557 EUR
$5,111 USD
View
Final sale: no returns
A
Retailer 6
-
€4,652 EUR
£4,108 GBP
View
B+
Retailer 7
-
€4,707 EUR
SGD 7,135 SGD
View
A
Retailer 8
-
€4,817 EUR
£4,254 GBP
View
B+
Retailer 9
-
€4,937 EUR
$5,537 USD
View
B+
Retailer 10
-
€5,074 EUR
$5,692 USD
View
B+
Retailer 11
-
€5,188 EUR
$5,819 USD
View
B+
Retailer 12
-
€5,215 EUR
A$8,998 AUD
View
B+
Retailer 13
-
€5,586 EUR
View
B
Retailer 14
-
€7,864 EUR
£6,945 GBP
View
Most Expensive
B
Queensmith
2557551279 · Oct 28
€8,260 EUR
£7,295 GBP
View
14 more retailers have this diamond
Prices start from €3,698 EURSave up to €4,563 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
€3,698 EUR