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Round|Lab Grown|IGI

1.20ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG622492454

Shape and cutting style on the report: Round brilliant

Certificate IGI LG622492454

Diamond specifications and retailer prices

From £167 GBP
$222 USD
As of October 29, 2026
Save £1,433 GBP (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,599 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore 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 LG622492454 or 622492454. Listed at 21 retailers as of October 29, 2026, with prices from £167 to £1,599, a £1,433 spread on the same certified stone. Do Amore Diamonds lists it at £1,599. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG622492454
Dimensions6.83 × 6.79 × 4.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.83 mm6.79 mm1.20 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG622492454
Side View
Table 58.0%Crown 34.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.9%

Caratlytics Score

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A+
Exceptional
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 29
Current: £1,599 GBP|Low: £166 GBP|High: £1,599 GBP|Avg: £485 GBP
Do Amore Diamonds
Retailer 2
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October 30, 2026
Retailer 19£167 GBP
Retailer 5£186 GBP
Retailer 20£194 GBP
Retailer 3£207 GBP
Retailer 16£207 GBP
Retailer 9£278 GBP
Retailer 4£371 GBP
Retailer 10£373 GBP
Retailer 7£388 GBP
Retailer 14£393 GBP
Retailer 2£433 GBP
Retailer 12£458 GBP
Retailer 15£557 GBP
Retailer 6£577 GBP
Retailer 13£698 GBP
Retailer 18£734 GBP
Retailer 11£863 GBP
Retailer 17£917 GBP
Retailer 8£949 GBP
Do Amore Diamonds£1,599 GBP

32 data points across 20 retailers

21 retailers£167 GBP to £1,599 GBP

A+
Cheapest Retailer
-
£167 GBP
$222 USD
A
Retailer 2
-
£186 GBP
$248 USD
View
Final sale: no returns
A
Retailer 3
-
£194 GBP
$258 USD
View
A
Retailer 4
-
£207 GBP
$276 USD
View
A
Retailer 5
-
£278 GBP
$370 USD
View
Retailer 6
-
£308 GBP
HK$3,200 HKD
View
Price last confirmed 56 days ago
Retailer 7
-
£371 GBP
View
Price last confirmed 13 days ago
A
Retailer 8
-
£373 GBP
$497 USD
View
A
Retailer 9
-
£388 GBP
$517 USD
View
A
Retailer 10
-
£393 GBP
ZAR 8,447 ZAR
View
A
Retailer 11
-
£433 GBP
View
A
Retailer 12
-
£458 GBP
A$938 AUD
View
B+
Retailer 13
-
£557 GBP
A$1,142 AUD
View
B+
Retailer 14
-
£577 GBP
$768 USD
View
Retailer 15
-
£629 GBP
$838 USD
View
Price last confirmed 44 days ago
B+
Retailer 16
-
£698 GBP
A$1,430 AUD
View
B+
Retailer 17
-
£734 GBP
$978 USD
View
B
Retailer 18
-
£863 GBP
$1,149 USD
View
B+
Retailer 19
-
£917 GBP
View
B
Retailer 20
-
£949 GBP
$1,264 USD
View
Most Expensive
B
Do Amore Diamonds
27-C3122F73A · Oct 29
£1,599 GBP
$2,130 USD
View
20 more retailers have this diamond
Prices start from £167 GBPSave up to £1,433 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
£167 GBP