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Emerald|Lab Grown|IGI

0.99ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG674544435

Shape and cutting style on the report: Modified emerald cut

Certificate IGI LG674544435

Diamond specifications and retailer prices

From £777 GBP
$1,035 USD
As of October 28, 2026
Save £327 GBP (30%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,104 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 0.99ct lab-grown emerald diamond

This 0.99ct lab-grown emerald sits in the just-under-one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG674544435 or 674544435. Listed at 19 retailers as of October 28, 2026, with prices from £777 to £1,104, a £327 spread on the same certified stone. Brilliant Earth lists it at £1,104. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.99
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.1°
Pavilion angle45.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG674544435
Dimensions6.65 × 4.65 × 3.24 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
6.65 mm4.65 mm0.99 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG674544435
Side View
Table 67.0%Crown 43.1°Girdle: MED-STKPavilion 45.3°Culet: LargeDepth 69.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £1,104 GBP|Low: £849 GBP|High: £2,340 GBP|Avg: £1,433 GBP
Brilliant Earth
Retailer 2
Retailer 3
October 18, 2026
Retailer 2£849 GBP
Brilliant Earth£1,104 GBP
Retailer 3£2,340 GBP

3 data points across 3 retailers

19 retailers£777 GBP to £1,104 GBP

B+
Retailer 1
-
£752 GBP
$1,001 USD
Price last confirmed 71 days ago
B+
Retailer 2
-
£759 GBP
$1,010 USD
View
Price last confirmed 50 days ago
B+
Retailer 3
-
£777 GBP
$1,035 USD
View
B+
Retailer 4
-
£777 GBP
$1,035 USD
View
B+
Retailer 5
-
£785 GBP
$1,045 USD
View
B+
Retailer 6
-
£785 GBP
$1,045 USD
View
B+
Retailer 7
-
£785 GBP
$1,045 USD
View
B+
Retailer 8
-
£785 GBP
$1,045 USD
View
B+
Retailer 9
-
£785 GBP
$1,045 USD
View
B+
Retailer 10
-
£785 GBP
$1,045 USD
View
B+
Retailer 11
-
£785 GBP
$1,045 USD
View
B+
Retailer 12
-
£785 GBP
$1,045 USD
View
B+
Retailer 13
-
£808 GBP
$1,076 USD
View
Price last confirmed 80 days ago
B
Retailer 14
-
£825 GBP
$1,099 USD
View
Price last confirmed 87 days ago
B+
Retailer 15
-
£841 GBP
$1,120 USD
View
B+
Retailer 16
-
£841 GBP
$1,120 USD
View
B+
Retailer 17
-
£849 GBP
$1,130 USD
View
Price last confirmed 11 days ago
B
Retailer 18
-
£856 GBP
$1,140 USD
View
Price last confirmed 31 days ago
Most Expensive
B
Brilliant Earth
14234754A · Oct 29
£1,104 GBP
$1,470 USD
View
18 more retailers have this diamond
Prices start from £777 GBPSave up to £327 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+
0.99ct Emerald
£777 GBP