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Emerald|Lab Grown|IGI

0.70ct I SI1 Emerald Lab Grown Diamond

ID • I/SI1 • IGI LG478127743

Shape and cutting style on the report: Emerald cut

Certificate IGI LG478127743

Diamond specifications and retailer prices

From £303 GBP
As of October 29, 2026
Save £50 GBP (14%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £353 GBP at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

About this 0.7ct lab-grown emerald diamond

This 0.7ct 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 and certified by IGI LG478127743 or 478127743. Listed at 3 retailers as of October 23, 2026, with prices from £303 to £353, a £50 spread on the same certified stone. Brilliant Earth lists it at £353. 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

0.70
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishGood
SymmetryGood
FluorescenceNone
Crown angle38.9°
Pavilion angle24.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG478127743
Dimensions6.84 × 3.88 × 2.50 mm
L/W Ratio1.76
Culet sizeLong
Cert comments
Pre-existing laser inscription on girdle. This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.84 mm3.88 mm0.70 ctI / SI1
OriginLab Grown
CutIdeal
PolishGood
SymmetryGood
FluorescenceNone
CertificateIGI LG478127743
Side View
Table 57.5%Crown 38.9°Girdle: ThickPavilion 24.3°Culet: LNGDepth 64.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: £353 GBP|Low: £151 GBP|High: £373 GBP|Avg: £285 GBP|-4.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 4, 2026
Retailer 3£151 GBP
Retailer 4£255 GBP
Brilliant Earth£353 GBP
Retailer 2£373 GBP

3 data points across 4 retailers

3 retailers£303 GBP to £353 GBP

Retailer 1
-
£255 GBP
$339 USD
Price last confirmed 44 days ago
B+
Retailer 2
-
£303 GBP
View
Most Expensive
B
Brilliant Earth
6007273B · Oct 23
£353 GBP
$470 USD
View
2 more retailers have this diamond
Prices start from £303 GBPSave up to £50 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+
0.70ct Emerald
£303 GBP