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Emerald|Lab Grown|IGI

1.00ct F IF Emerald Lab Grown Diamond

ID • F/IF • IGI LG693545390

Shape and cutting style on the report: Emerald cut

Certificate IGI LG693545390

Diamond specifications and retailer prices

From £126 GBP
As of November 4, 2026
Save £926 GBP (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,052 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1ct lab-grown emerald diamond

This 1ct lab-grown emerald sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG693545390 or 693545390. Listed at 20 retailers as of November 4, 2026, with prices from £126 to £1,052, a £926 spread on the same certified stone. Brilliant Earth lists it at £1,052. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG693545390
Dimensions6.80 × 4.47 × 3.25 mm
L/W Ratio1.52
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
6.80 mm4.47 mm1.00 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG693545390
Side View
Table 63.0%Crown 37.9°Girdle: Slightly ThickPavilion 39.1°Culet: LNGDepth 72.7%

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: Nov 4
Current: £1,052 GBP|Low: £124 GBP|High: £1,274 GBP|Avg: £438 GBP|-17.4%
Brilliant Earth
Retailer 2
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Retailer 19
November 5, 2026
Retailer 5£126 GBP
Retailer 18£146 GBP
Retailer 11£154 GBP
Retailer 16£156 GBP
Retailer 12£159 GBP
Retailer 8£261 GBP
Retailer 14£270 GBP
Retailer 2£276 GBP
Retailer 3£279 GBP
Retailer 19£390 GBP
Retailer 13£401 GBP
Retailer 17£503 GBP
Retailer 9£530 GBP
Retailer 7£543 GBP
Retailer 15£730 GBP
Retailer 6£813 GBP
Retailer 4£813 GBP
Retailer 10£830 GBP
Brilliant Earth£1,052 GBP

35 data points across 19 retailers

20 retailers£126 GBP to £1,052 GBP

A
Cheapest Retailer
-
£126 GBP
A
Retailer 2
-
£146 GBP
View
Retailer 3
-
£154 GBP
View
Price last confirmed 11 days ago
A
Retailer 4
-
£156 GBP
View
A
Retailer 5
-
£159 GBP
View
Final sale: no returns
Retailer 6
-
£261 GBP
View
Price last confirmed 7 days ago
A
Retailer 7
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£270 GBP
View
A
Retailer 8
-
£276 GBP
View
A
Retailer 9
-
£279 GBP
View
B+
Retailer 10
-
£390 GBP
View
B+
Retailer 11
-
£401 GBP
View
B+
Retailer 12
-
£412 GBP
View
B+
Retailer 13
-
£503 GBP
View
Retailer 14
-
£530 GBP
View
Price last confirmed 8 days ago
B+
Retailer 15
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£543 GBP
View
B
Retailer 16
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£730 GBP
View
B
Retailer 17
-
£813 GBP
View
B
Retailer 18
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£813 GBP
View
B
Retailer 19
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£830 GBP
View
Most Expensive
B
Brilliant Earth
13688751A · Nov 4
£1,052 GBP
$1,420 USD
View
19 more retailers have this diamond
Prices start from £126 GBPSave up to £926 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
1.00ct Emerald
£126 GBP