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Round|Lab Grown|IGI

2.99ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG816612166

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816612166

Diamond specifications and retailer prices

From £1,205 GBP
As of October 29, 2026
Save £7,933 GBP (87%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £9,139 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.99ct lab-grown round diamond

This 2.99ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816612166 or 816612166. Listed at 9 retailers as of October 29, 2026, with prices from £1,205 to £9,139, a £7,933 spread on the same certified stone. Brilliant Earth lists it at £9,139. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.99
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816612166
Dimensions9.23 × 9.20 × 5.66 mm
L/W Ratio1.00
Girdle conditionFaceted
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
9.23 mm9.20 mm2.99 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816612166
Side View
Table 59.0%Crown 35.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £9,139 GBP|Low: £791 GBP|High: £9,139 GBP|Avg: £3,173 GBP
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
October 29, 2026
Retailer 4£791 GBP
Retailer 8£1,205 GBP
Retailer 9£1,455 GBP
Retailer 11£1,513 GBP
Retailer 15£1,593 GBP
Retailer 13£1,923 GBP
Retailer 3£2,031 GBP
Retailer 6£2,049 GBP
Retailer 12£2,508 GBP
Retailer 2£3,253 GBP
Retailer 7£3,812 GBP
Retailer 5£4,037 GBP
Retailer 14£4,491 GBP
Retailer 10£6,984 GBP
Brilliant Earth£9,139 GBP

20 data points across 15 retailers

9 retailers£1,205 GBP to £9,139 GBP

A+
Cheapest Retailer
-
£1,205 GBP
A
Retailer 2
-
£1,455 GBP
$1,937 USD
View
A
Retailer 3
-
£1,513 GBP
$2,015 USD
View
A
Retailer 4
-
£1,923 GBP
$2,561 USD
View
B+
Retailer 5
-
£2,508 GBP
$3,339 USD
View
B+
Retailer 6
-
£3,253 GBP
View
Retailer 7
-
£4,491 GBP
$5,980 USD
View
Price last confirmed 15 days ago
B
Retailer 8
-
£6,984 GBP
$9,300 USD
View
Most Expensive
B
Brilliant Earth
21730801Y · Oct 29
£9,139 GBP
$12,170 USD
View
8 more retailers have this diamond
Prices start from £1,205 GBPSave up to £7,933 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+
2.99ct Round
£1,205 GBP