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Emerald|Lab Grown

1.00ct H SI2 Emerald Lab Grown Diamond

EX • H/SI2 • 0F57C3B6FD

Diamond specifications and retailer prices

From £84 GBP
As of November 6, 2026
Save £252 GBP (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £336 GBP at NZ Jewellers · As of November 6, 2026
View at NZ Jewellers

About this 1ct lab-grown emerald diamond

This 1ct lab-grown emerald sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade. Listed at 4 retailers as of November 6, 2026, with prices from £84 to £336, a £252 spread on the same certified stone. NZ Jewellers lists it at £336. 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

1.00
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading Lab
Certificate0F57C3B6FD
Dimensions6.96 × 4.63 × 3.11 mm
L/W Ratio1.50
Top View
6.96 mm4.63 mm1.00 ctH / SI2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Certificate0F57C3B6FD
Side View
Table 67.6%CrownGirdlePavilionCuletDepth 67.1%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £336 GBP|Low: £81 GBP|High: £336 GBP|Avg: £152 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
November 4, 2026
Retailer 2£84 GBP
Retailer 3£97 GBP
Retailer 4£111 GBP
NZ Jewellers£336 GBP

16 data points across 4 retailers

4 retailers£84 GBP to £336 GBP

B+
Cheapest Retailer
-
£84 GBP
B+
Retailer 2
-
£97 GBP
View
B+
Retailer 3
-
£111 GBP
View
Most Expensive
B+
NZ Jewellers
33740c9d-004b-4d90-bc64-e20ee1092539 · Nov 6
£336 GBP
$452 USD
View
3 more retailers have this diamond
Prices start from £84 GBPSave up to £252 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+
1.00ct Emerald
£84 GBP