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Emerald|Natural|GIA

0.50ct H SI2 Emerald Natural Diamond

EX • H/SI2 • GIA 5526620411

Certificate GIA 5526620411

Diamond specifications and retailer prices

From £258 GBP
HK$2,700 HKD
As of October 30, 2026
Save £518 GBP (67%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £776 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.5ct natural emerald diamond

This 0.5ct natural emerald sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5526620411. Listed at 6 retailers as of October 29, 2026, with prices from £258 to £776, a £518 spread on the same certified stone. MOH London lists it at £776. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5526620411
Dimensions5.46 × 3.83 × 2.46 mm
L/W Ratio1.43
Top View
5.46 mm3.83 mm0.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5526620411
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 64.1%

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 30
Current: £776 GBP|Low: £258 GBP|High: £781 GBP|Avg: £470 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 4£258 GBP
Retailer 2£412 GBP
Retailer 6£431 GBP
Retailer 5£449 GBP
Retailer 3£506 GBP
MOH London£776 GBP

42 data points across 6 retailers

6 retailers£258 GBP to £776 GBP

A
Cheapest Retailer
-
£258 GBP
HK$2,700 HKD
B+
Retailer 2
-
£412 GBP
View
B+
Retailer 3
-
£431 GBP
$577 USD
View
B
Retailer 4
-
£449 GBP
$601 USD
View
B
Retailer 5
-
£506 GBP
€646 EUR
View
Most Expensive
B
MOH London
1A3736153 · Oct 29
£776 GBP
View
5 more retailers have this diamond
Prices start from £258 GBPSave up to £518 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 Emerald
£258 GBP