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Emerald|Lab Grown|IGI

1.03ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG799636431

Shape and cutting style on the report: Emerald cut

Certificate IGI LG799636431

Diamond specifications and retailer prices

From £139 GBP
$185 USD
As of October 30, 2026
Save £1,123 GBP (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,262 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.03ct lab-grown emerald diamond

This 1.03ct lab-grown emerald sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799636431 or 799636431. Listed at 21 retailers as of October 29, 2026, with prices from £139 to £1,262, a £1,123 spread on the same certified stone. Brilliant Earth lists it at £1,262. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle43°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799636431
Dimensions6.81 × 4.77 × 3.26 mm
L/W Ratio1.43
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 Type II
Top View
6.81 mm4.77 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799636431
Side View
Table 63.0%Crown 31.6°Girdle: MED-STKPavilion 43°Culet: LargeDepth 68.3%

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 30
Current: £1,262 GBP|Low: £134 GBP|High: £1,314 GBP|Avg: £431 GBP|-4.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 15£139 GBP
Retailer 7£155 GBP
Retailer 3£173 GBP
Retailer 5£173 GBP
Retailer 9£296 GBP
Retailer 11£296 GBP
Retailer 4£303 GBP
Retailer 2£312 GBP
Retailer 6£352 GBP
Retailer 12£420 GBP
Retailer 8£431 GBP
Retailer 14£436 GBP
Retailer 16£577 GBP
Retailer 13£807 GBP
Retailer 10£810 GBP
Brilliant Earth£1,262 GBP

46 data points across 16 retailers

21 retailers£139 GBP to £1,262 GBP

A
Cheapest Retailer
-
£139 GBP
$185 USD
A
Retailer 2
-
£155 GBP
$207 USD
View
Final sale: no returns
A
Retailer 3
-
£161 GBP
$215 USD
View
A
Retailer 4
-
£173 GBP
$230 USD
View
A
Retailer 5
-
£173 GBP
$230 USD
View
A
Retailer 6
-
£296 GBP
€375 EUR
View
A
Retailer 7
-
£296 GBP
ZAR 6,367 ZAR
View
A
Retailer 8
-
£303 GBP
$404 USD
View
A
Retailer 9
-
£312 GBP
View
A
Retailer 10
-
£352 GBP
$469 USD
View
A
Retailer 11
-
£420 GBP
A$861 AUD
View
B+
Retailer 12
-
£431 GBP
$574 USD
View
B+
Retailer 13
-
£436 GBP
$580 USD
View
B+
Retailer 14
-
£469 GBP
SGD 844 SGD
View
Retailer 15
-
£529 GBP
$705 USD
View
Price last confirmed 43 days ago
B+
Retailer 16
-
£554 GBP
$738 USD
View
B+
Retailer 17
-
£577 GBP
$768 USD
View
B+
Retailer 18
-
£595 GBP
$792 USD
View
B+
Retailer 19
-
£807 GBP
$1,075 USD
View
B+
Retailer 20
-
£810 GBP
View
Most Expensive
B
Brilliant Earth
21420254A · Oct 29
£1,262 GBP
$1,680 USD
View
20 more retailers have this diamond
Prices start from £139 GBPSave up to £1,123 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
1.03ct Emerald
£139 GBP