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Emerald|Lab Grown|IGI

0.70ct D SI1 Emerald Lab Grown Diamond

VG • D/SI1 • IGI LG522259171

Shape and cutting style on the report: Emerald cut

Certificate IGI LG522259171

Diamond specifications and retailer prices

From £184 GBP
As of October 30, 2026
Save £510 GBP (73%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £695 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 0.7ct lab-grown emerald diamond

This 0.7ct lab-grown emerald sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG522259171 or 522259171. Listed at 4 retailers as of October 25, 2026, with prices from £184 to £695, a £510 spread on the same certified stone. MOH London lists it at £695. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.70
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle21.1°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522259171
Dimensions6.30 × 4.15 × 2.68 mm
L/W Ratio1.52
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process.
Top View
6.30 mm4.15 mm0.70 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522259171
Side View
Table 60.5%Crown 21.1°Girdle: MediumPavilion 38.9°Culet: LargeDepth 64.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £695 GBP|Low: £128 GBP|High: £702 GBP|Avg: £373 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 2£184 GBP
Retailer 3£192 GBP
Retailer 4£272 GBP
Retailer 5£418 GBP
Retailer 6£418 GBP
Retailer 7£463 GBP
MOH London£695 GBP

34 data points across 7 retailers

4 retailers£184 GBP to £695 GBP

A
Cheapest Retailer
-
£184 GBP
B+
Retailer 2
-
£192 GBP
$257 USD
View
B+
Retailer 3
-
£272 GBP
$365 USD
View
Most Expensive
B
MOH London
LG522259171 · Oct 25
£695 GBP
View
3 more retailers have this diamond
Prices start from £184 GBPSave up to £510 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
0.70ct Emerald
£184 GBP