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Emerald|Lab Grown

0.50ct I SI1 Emerald Lab Grown Diamond

EX • I/SI1 • LA21-22-121

Diamond specifications and retailer prices

From £111 GBP
$149 USD
As of October 29, 2026
Save £331 GBP (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £443 GBP at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 0.5ct lab-grown emerald diamond

This 0.5ct lab-grown emerald sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade. Listed at 4 retailers as of October 28, 2026, with prices from £111 to £443, a £331 spread on the same certified stone. NZ Jewellers lists it at £443. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading Lab
CertificateLA21-22-121
Dimensions5.75 × 3.72 × 2.38 mm
L/W Ratio1.55
Top View
5.75 mm3.72 mm0.50 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateLA21-22-121
Side View
Table 68.1%CrownGirdlePavilionCuletDepth 64.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £443 GBP|Low: £107 GBP|High: £443 GBP|Avg: £183 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 11, 2026
Retailer 2£111 GBP
Retailer 4£129 GBP
Retailer 3£138 GBP
NZ Jewellers£443 GBP

7 data points across 4 retailers

4 retailers£111 GBP to £443 GBP

B+
Cheapest Retailer
-
£111 GBP
$149 USD
B+
Retailer 2
-
£129 GBP
$173 USD
View
B+
Retailer 3
-
£138 GBP
$185 USD
View
Most Expensive
C
NZ Jewellers
6d005201-2cf7-470a-9ca7-675484900bbc · Oct 28
£443 GBP
$593 USD
View
3 more retailers have this diamond
Prices start from £111 GBPSave up to £331 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.

B+
0.50ct Emerald
£111 GBP