Round|Lab Grown|IGI

1.20ct E IF Round Lab Grown Diamond

EX • E/IF • IGI LG848603828

Shape and cutting style on the report: Round brilliant

Certificate IGI LG848603828

Diamond specifications and retailer prices

From £192 GBP
$257 USD
As of October 25, 2026
Save £717 GBP (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £909 GBP at Reve Diamonds · As of October 26, 2026
View at Reve Diamonds

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round 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 LG848603828 or 848603828. Listed at 11 retailers as of October 25, 2026, with prices from £192 to £909, a £717 spread on the same certified stone. Reve Diamonds lists it at £909. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848603828
Dimensions6.74 × 6.79 × 4.19 mm
L/W Ratio1.01
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
6.74 mm6.79 mm1.20 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848603828
Side View
Table 56.0%Crown 34.4°Girdle: MED-STKPavilion 40.2°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 25
Current: £771 GBP|Low: £192 GBP|High: £909 GBP|Avg: £480 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Reve Diamonds
October 26, 2026
Retailer 10£192 GBP
Retailer 9£198 GBP
Retailer 4£310 GBP
Retailer 8£331 GBP
Retailer 6£336 GBP
Retailer 11£430 GBP
Retailer 7£472 GBP
Retailer 2£618 GBP
Retailer 5£619 GBP
Retailer 3£657 GBP
Retailer 1£771 GBP
Reve Diamonds£909 GBP

3 data points across 12 retailers

11 retailers£192 GBP to £909 GBP

A
Cheapest Retailer
-
£192 GBP
$257 USD
A
Retailer 2
-
£310 GBP
View
A
Retailer 3
-
£331 GBP
$444 USD
View
A
Retailer 4
-
£336 GBP
View
A
Retailer 5
-
£430 GBP
$576 USD
View
B+
Retailer 6
-
£472 GBP
$633 USD
View
B+
Retailer 7
-
£618 GBP
$828 USD
View
B+
Retailer 8
-
£619 GBP
$830 USD
View
B+
Retailer 9
-
£657 GBP
$881 USD
View
B
Retailer 10
-
£771 GBP
View
Most Expensive
B
Reve Diamonds
E2674A5A5 · Oct 26
£909 GBP
$1,218 USD
View
10 more retailers have this diamond
Prices start from £192 GBPSave up to £717 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
1.20ct Round
£192 GBP