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Cushion|Natural|GIA

0.50ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 3525620449

Certificate GIA 3525620449

Diamond specifications and retailer prices

From £267 GBP
As of November 6, 2026
Save £281 GBP (51%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £548 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 0.5ct natural cushion diamond

This 0.5ct natural cushion sits in the half to three-quarter 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 3525620449. Listed at 3 retailers as of November 6, 2026, with prices from £267 to £548, a £281 spread on the same certified stone. 77 Diamonds lists it at £548. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 3525620449
Dimensions4.96 × 4.56 × 3.01 mm
L/W Ratio1.09
Top View
4.96 mm4.56 mm0.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 3525620449
Side View
Table 63.0%CrownGirdle: MED-MEDPavilionCulet: NoneDepth 66.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £548 GBP|Low: £267 GBP|High: £632 GBP|Avg: £513 GBP|+0.6%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2£267 GBP
Retailer 3£441 GBP
77 Diamonds£548 GBP
Retailer 5£565 GBP
Retailer 6£606 GBP
Retailer 4£632 GBP

32 data points across 6 retailers

3 retailers£267 GBP to £548 GBP

A
Cheapest Retailer
-
£267 GBP
B+
Retailer 2
-
£441 GBP
View
Most Expensive
B+
77 Diamonds
CUSEVKNJKPGHW · Nov 6
£548 GBP
View
2 more retailers have this diamond
Prices start from £267 GBPSave up to £281 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
£267 GBP