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Emerald|Lab Grown|GCAL

0.90ct D SI1 Emerald Lab Grown Diamond

EX • D/SI1 • GCAL 292770317

Certificate GCAL 292770317

Diamond specifications and retailer prices

From £290 GBP
$388 USD
As of October 30, 2026
Save £560 GBP (66%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £849 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.9ct lab-grown emerald diamond

This 0.9ct lab-grown emerald sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL 292770317. Listed at 2 retailers as of October 29, 2026, with prices from £290 to £849, a £560 spread on the same certified stone. MOH London lists it at £849. 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

0.90
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGCAL
CertificateGCAL 292770317
Dimensions6.32 × 4.57 × 3.18 mm
L/W Ratio1.38
Top View
6.32 mm4.57 mm0.90 ctD / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGCAL 292770317
Side View
Table 66.0%CrownGirdlePavilionCuletDepth 69.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: £849 GBP|Low: £271 GBP|High: £855 GBP|Avg: £567 GBP|+0.6%
MOH London
Retailer 2
October 29, 2026
Retailer 2£290 GBP
MOH London£849 GBP

8 data points across 2 retailers

2 retailers£290 GBP to £849 GBP

B+
Cheapest Retailer
-
£290 GBP
$388 USD
Most Expensive
B
MOH London
LG292770317 · Oct 29
£849 GBP
View
1 more retailer has this diamond
Prices start from £290 GBPSave up to £560 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+
0.90ct Emerald
£290 GBP