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Emerald|Lab Grown|IGI

1.28ct G VS1 Emerald Lab Grown Diamond

ID • G/VS1 • IGI LG681553765

Shape and cutting style on the report: Emerald cut

Certificate IGI LG681553765

Diamond specifications and retailer prices

From £151 GBP
$202 USD
As of October 30, 2026
Save £835 GBP (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £985 GBP at Michael Trio · As of October 29, 2026
View at Michael Trio

About this 1.28ct lab-grown emerald diamond

This 1.28ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG681553765 or 681553765. Listed at 14 retailers as of October 29, 2026, with prices from £151 to £985, a £835 spread on the same certified stone. Michael Trio lists it at £985. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681553765
Dimensions7.49 × 5.02 × 3.34 mm
L/W Ratio1.49
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.49 mm5.02 mm1.28 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681553765
Side View
Table 65.0%Crown 34.2°Girdle: Slightly ThickPavilion 37.9°Culet: LargeDepth 66.5%

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: £985 GBP|Low: £145 GBP|High: £985 GBP|Avg: £411 GBP
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 12£151 GBP
Retailer 9£175 GBP
Retailer 7£187 GBP
Retailer 11£187 GBP
Retailer 5£321 GBP
Retailer 4£325 GBP
Retailer 2£342 GBP
Retailer 6£457 GBP
Retailer 10£601 GBP
Retailer 3£603 GBP
Retailer 8£875 GBP
Michael Trio£985 GBP

42 data points across 12 retailers

14 retailers£151 GBP to £985 GBP

A
Cheapest Retailer
-
£151 GBP
$202 USD
A
Retailer 2
-
£175 GBP
$234 USD
View
A
Retailer 3
-
£187 GBP
$250 USD
View
Retailer 4
-
£187 GBP
$250 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
£187 GBP
$250 USD
View
A
Retailer 6
-
£321 GBP
ZAR 6,947 ZAR
View
A
Retailer 7
-
£325 GBP
$435 USD
View
A
Retailer 8
-
£342 GBP
View
B+
Retailer 9
-
£362 GBP
$485 USD
View
B+
Retailer 10
-
£457 GBP
A$942 AUD
View
B
Retailer 11
-
£601 GBP
$805 USD
View
B
Retailer 12
-
£603 GBP
$808 USD
View
B
Retailer 13
-
£875 GBP
View
Most Expensive
B
Michael Trio
1031988420 · Oct 29
£985 GBP
SGD 1,784 SGD
View
13 more retailers have this diamond
Prices start from £151 GBPSave up to £835 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
1.28ct Emerald
£151 GBP