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Cushion|Natural|GIA

0.50ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 7551899798

Certificate GIA 7551899798

Diamond specifications and retailer prices

From £206 GBP
As of November 6, 2026
Save £485 GBP (70%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £692 GBP at MOH London · As of November 4, 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 G 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 7551899798. Listed at 11 retailers as of November 4, 2026, with prices from £206 to £692, a £485 spread on the same certified stone. MOH London lists it at £692. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7551899798
Dimensions4.79 × 4.61 × 3.06 mm
L/W Ratio1.04
Girdle conditionMedium
Top View
4.79 mm4.61 mm0.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 7551899798
Side View
Table 65.0%CrownGirdle: ThinPavilionCulet: NoneDepth 66.3%

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 6
Current: £692 GBP|Low: £206 GBP|High: £701 GBP|Avg: £408 GBP|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10£206 GBP
Retailer 2£220 GBP
Retailer 6£265 GBP
Retailer 8£376 GBP
Retailer 4£388 GBP
Retailer 9£397 GBP
Retailer 7£459 GBP
Retailer 5£465 GBP
Retailer 3£540 GBP
MOH London£692 GBP

33 data points across 10 retailers

11 retailers£206 GBP to £692 GBP

A
Cheapest Retailer
-
£206 GBP
Final sale: no returns
A
Retailer 2
-
£220 GBP
View
A
Retailer 3
-
£265 GBP
View
A
Retailer 4
-
£376 GBP
View
B+
Retailer 5
-
£388 GBP
View
B+
Retailer 6
-
£397 GBP
View
B+
Retailer 7
-
£459 GBP
View
B+
Retailer 8
-
£465 GBP
View
Retailer 9
-
£488 GBP
View
Price last confirmed 35 days ago
B
Retailer 10
-
£540 GBP
View
Most Expensive
B
MOH London
4E8E3224F · Nov 4
£692 GBP
View
10 more retailers have this diamond
Prices start from £206 GBPSave up to £485 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
£206 GBP