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Cushion|Natural|GIA

0.50ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 2557486581

Certificate GIA 2557486581

Diamond specifications and retailer prices

From £312 GBP
$418 USD
As of October 31, 2026
Save £720 GBP (70%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,032 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.5ct natural cushion diamond

This 0.5ct natural cushion sits in the half to three-quarter 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 2557486581. Listed at 11 retailers as of October 29, 2026, with prices from £312 to £1,032, a £720 spread on the same certified stone. MOH London lists it at £1,032. 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

0.50
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557486581
Dimensions4.66 × 4.65 × 3.12 mm
L/W Ratio1.00
Girdle conditionVery Thick
Top View
4.66 mm4.65 mm0.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557486581
Side View
Table 65.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 66.9%

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: Oct 31
Current: £1,032 GBP|Low: £261 GBP|High: £1,040 GBP|Avg: £567 GBP|+6.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 11£312 GBP
Retailer 2£333 GBP
Retailer 8£504 GBP
Retailer 5£542 GBP
Retailer 9£543 GBP
Retailer 10£543 GBP
Retailer 7£557 GBP
Retailer 3£626 GBP
Retailer 4£657 GBP
Retailer 6£686 GBP
MOH London£1,032 GBP

33 data points across 11 retailers

11 retailers£312 GBP to £1,032 GBP

A
Cheapest Retailer
-
£312 GBP
$418 USD
Final sale: no returns
A
Retailer 2
-
£333 GBP
₹42,457 INR
View
B+
Retailer 3
-
£504 GBP
$675 USD
View
B+
Retailer 4
-
£542 GBP
View
B+
Retailer 5
-
£543 GBP
$727 USD
View
B+
Retailer 6
-
£543 GBP
$728 USD
View
B+
Retailer 7
-
£557 GBP
View
Retailer 8
-
£626 GBP
A$1,291 AUD
View
Price last confirmed 27 days ago
B+
Retailer 9
-
£657 GBP
€839 EUR
View
B
Retailer 10
-
£686 GBP
ZAR 14,859 ZAR
View
Most Expensive
B
MOH London
F6232578A · Oct 29
£1,032 GBP
View
10 more retailers have this diamond
Prices start from £312 GBPSave up to £720 GBP

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
0.50ct Cushion
£312 GBP