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Emerald|Lab Grown|IGI

1.09ct E VS1 Emerald Lab Grown Diamond

EX • E/VS1 • IGI LG640431959

Shape and cutting style on the report: Emerald cut

Certificate IGI LG640431959

Diamond specifications and retailer prices

From £126 GBP
$168 USD
As of October 27, 2026
Save £722 GBP (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £849 GBP at Brilliant Earth · As of October 25, 2026
View at Brilliant Earth

About this 1.09ct lab-grown emerald diamond

This 1.09ct lab-grown emerald sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG640431959 or 640431959. Listed at 21 retailers as of October 25, 2026, with prices from £126 to £849, a £722 spread on the same certified stone. Brilliant Earth lists it at £849. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640431959
Dimensions6.72 × 4.82 × 3.34 mm
L/W Ratio1.39
Culet sizeLong
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.72 mm4.82 mm1.09 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640431959
Side View
Table 64.0%Crown 35.2°Girdle: MED-STKPavilion 41.3°Culet: LNGDepth 69.3%

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 27
Current: £849 GBP|Low: £126 GBP|High: £849 GBP|Avg: £350 GBP
Brilliant Earth
Retailer 2
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Retailer 21
October 29, 2026
Retailer 7£126 GBP
Retailer 6£141 GBP
Retailer 17£146 GBP
Retailer 15£156 GBP
Retailer 20£156 GBP
Retailer 12£183 GBP
Retailer 9£212 GBP
Retailer 11£264 GBP
Retailer 3£270 GBP
Retailer 13£271 GBP
Retailer 2£278 GBP
Retailer 4£340 GBP
Retailer 18£381 GBP
Retailer 14£413 GBP
Retailer 10£429 GBP
Retailer 16£502 GBP
Retailer 19£531 GBP
Retailer 5£544 GBP
Retailer 21£732 GBP
Retailer 8£819 GBP
Brilliant Earth£849 GBP

39 data points across 21 retailers

21 retailers£126 GBP to £849 GBP

A
Cheapest Retailer
-
£126 GBP
$168 USD
A
Retailer 2
-
£141 GBP
$188 USD
View
Final sale: no returns
A
Retailer 3
-
£146 GBP
$195 USD
View
A
Retailer 4
-
£156 GBP
$208 USD
View
A
Retailer 5
-
£156 GBP
$208 USD
View
A
Retailer 6
-
£183 GBP
HK$1,900 HKD
View
B+
Retailer 7
-
£212 GBP
$282 USD
View
A
Retailer 8
-
£264 GBP
ZAR 5,687 ZAR
View
A
Retailer 9
-
£270 GBP
$360 USD
View
A
Retailer 10
-
£271 GBP
€344 EUR
View
A
Retailer 11
-
£278 GBP
View
A
Retailer 12
-
£340 GBP
$453 USD
View
B+
Retailer 13
-
£381 GBP
A$781 AUD
View
B+
Retailer 14
-
£413 GBP
$550 USD
View
Price last confirmed 11 days ago
B+
Retailer 15
-
£429 GBP
SGD 772 SGD
View
B+
Retailer 16
-
£502 GBP
$669 USD
View
B+
Retailer 17
-
£531 GBP
$707 USD
View
B
Retailer 18
-
£544 GBP
$724 USD
View
B
Retailer 19
-
£732 GBP
View
B
Retailer 20
-
£819 GBP
$1,091 USD
View
Most Expensive
B
Brilliant Earth
18876388A · Oct 25
£849 GBP
$1,130 USD
View
20 more retailers have this diamond
Prices start from £126 GBPSave up to £722 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
1.09ct Emerald
£126 GBP