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Emerald|Lab Grown|UNKNOWN

0.50ct H SI1 Emerald Lab Grown Diamond

ID • H/SI1 • UNKNOWN 501461476

Certificate UNKNOWN 501461476

Diamond specifications and retailer prices

From £122 GBP
$164 USD
As of October 29, 2026
Save £365 GBP (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £487 GBP at NZ Jewellers · As of October 31, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by UNKNOWN 501461476. Listed at 5 retailers as of October 29, 2026, with prices from £122 to £487, a £365 spread on the same certified stone. NZ Jewellers lists it at £487. 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
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 501461476
Dimensions5.41 × 3.59 × 2.57 mm
L/W Ratio1.51
Top View
5.41 mm3.59 mm0.50 ctH / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateUNKNOWN 501461476
Side View
Table 65.2%CrownGirdlePavilionCuletDepth 71.6%

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: £487 GBP|Low: £117 GBP|High: £487 GBP|Avg: £219 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 11, 2026
Retailer 2£122 GBP
Retailer 5£142 GBP
Retailer 3£152 GBP
Retailer 4£273 GBP
NZ Jewellers£487 GBP

8 data points across 5 retailers

5 retailers£122 GBP to £487 GBP

B+
Cheapest Retailer
-
£122 GBP
$164 USD
B+
Retailer 2
-
£142 GBP
$190 USD
View
B+
Retailer 3
-
£152 GBP
$203 USD
View
B
Retailer 4
-
£273 GBP
$366 USD
View
Most Expensive
C
NZ Jewellers
618232ef-ea8c-489c-b6f6-f1891a8acae6 · Oct 31
£487 GBP
$653 USD
View
4 more retailers have this diamond
Prices start from £122 GBPSave up to £365 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
£122 GBP