Round|Lab Grown|IGI

2.09ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG815676901

Shape and cutting style on the report: Round brilliant

Certificate IGI LG815676901

Diamond specifications and retailer prices

From £352 GBP
$469 USD
As of October 28, 2026
Save £1,092 GBP (76%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £2,688 GBP at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 2.09ct lab-grown round diamond

This 2.09ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815676901 or 815676901. Listed at 24 retailers as of October 28, 2026, with a 310% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.09
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815676901
Dimensions8.20 × 8.17 × 5.07 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
8.20 mm8.17 mm2.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815676901
Side View
Table 57.0%Crown 35.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
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 28
Current: £2,688 GBP|Low: £352 GBP|High: £2,688 GBP|Avg: £986 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
Retailer 16
October 30, 2026
Retailer 4£352 GBP
Retailer 13£550 GBP
Retailer 15£563 GBP
Retailer 10£624 GBP
Retailer 2£642 GBP
Retailer 9£868 GBP
Retailer 5£903 GBP
Retailer 16£912 GBP
Retailer 12£943 GBP
Retailer 7£1,119 GBP
Retailer 6£1,282 GBP
Retailer 3£1,364 GBP
Retailer 14£1,423 GBP
Retailer 11£1,444 GBP
Retailer 8£2,054 GBP
Brilliant Earth£2,688 GBP

36 data points across 16 retailers

24 retailers£352 GBP to £1,444 GBP

Retailer 1
-
£321 GBP
$428 USD
Price last confirmed 37 days ago
Retailer 2
-
£321 GBP
$428 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
£352 GBP
$469 USD
View
Final sale: no returns
Retailer 4
-
£360 GBP
$480 USD
View
Price last confirmed 37 days ago
Retailer 5
-
£393 GBP
$524 USD
View
Price last confirmed 35 days ago
Retailer 6
-
£399 GBP
$531 USD
View
Price last confirmed 27 days ago
Retailer 7
-
£399 GBP
$531 USD
View
Price last confirmed 17 days ago
A
Retailer 8
-
£550 GBP
$732 USD
View
A
Retailer 9
-
£563 GBP
$750 USD
View
A
Retailer 10
-
£624 GBP
€791 EUR
View
A
Retailer 11
-
£642 GBP
View
A
Retailer 12
-
£868 GBP
A$1,779 AUD
View
A
Retailer 13
-
£903 GBP
$1,202 USD
View
A
Retailer 14
-
£912 GBP
$1,215 USD
View
A
Retailer 15
-
£943 GBP
ZAR 20,285 ZAR
View
A
Retailer 16
-
£1,119 GBP
$1,490 USD
View
Retailer 17
-
£1,282 GBP
$1,707 USD
View
Price last confirmed 39 days ago
Retailer 18
-
£1,282 GBP
$1,707 USD
View
Price last confirmed 22 days ago
B+
Retailer 19
-
£1,282 GBP
$1,707 USD
View
B+
Retailer 20
-
£1,364 GBP
$1,817 USD
View
B+
Retailer 21
-
£1,423 GBP
$1,895 USD
View
B+
Retailer 22
-
£1,444 GBP
View
Retailer 23
-
£2,054 GBP
$2,735 USD
View
Price last confirmed 22 days ago
Most Expensive
Brilliant Earth
21017567A · Oct 22
£2,688 GBP
$3,580 USD
View
Price last confirmed 7 days ago
23 more retailers have this diamond
Prices start from £352 GBPSave up to £1,092 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
2.09ct Round
£352 GBP