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Round|Lab Grown|IGI

1.20ct E IF Round Lab Grown Diamond

EX • E/IF • IGI LG758567889

Shape and cutting style on the report: Round brilliant

Certificate IGI LG758567889

Diamond specifications and retailer prices

From £197 GBP
$262 USD
As of October 30, 2026
Save £729 GBP (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £931 GBP at Rare Carat · As of October 7, 2026
View at Rare Carat

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 LG758567889 or 758567889. Listed at 15 retailers as of October 30, 2026, with a 371% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758567889
Dimensions6.78 × 6.74 × 4.25 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
6.78 mm6.74 mm1.20 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758567889
Side View
Table 56.0%Crown 35.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

Caratlytics Score

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A
Excellent
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 30
Current: £931 GBP|Low: £195 GBP|High: £957 GBP|Avg: £531 GBP|-2.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 9£197 GBP
Retailer 7£354 GBP
Retailer 3£363 GBP
Retailer 2£370 GBP
Retailer 10£372 GBP
Retailer 4£396 GBP
Retailer 8£408 GBP
Retailer 5£481 GBP
Retailer 11£529 GBP
Retailer 13£699 GBP
Retailer 12£873 GBP
Retailer 6£926 GBP
Rare Carat£931 GBP

34 data points across 13 retailers

15 retailers£197 GBP to £926 GBP

A
Cheapest Retailer
-
£197 GBP
$262 USD
Final sale: no returns
A
Retailer 2
-
£217 GBP
$289 USD
View
A
Retailer 3
-
£217 GBP
$289 USD
View
A
Retailer 4
-
£354 GBP
View
A
Retailer 5
-
£370 GBP
$493 USD
View
A
Retailer 6
-
£372 GBP
ZAR 8,009 ZAR
View
A
Retailer 7
-
£396 GBP
$528 USD
View
A
Retailer 8
-
£408 GBP
View
B+
Retailer 9
-
£481 GBP
$641 USD
View
B+
Retailer 10
-
£529 GBP
A$1,083 AUD
View
B+
Retailer 11
-
£699 GBP
$931 USD
View
Retailer 12
-
£736 GBP
$980 USD
View
Price last confirmed 22 days ago
B
Retailer 13
-
£873 GBP
View
B
Retailer 14
-
£926 GBP
$1,233 USD
View
Most Expensive
Rare Carat
7P758567889 · Oct 7
£931 GBP
$1,240 USD
View
Price last confirmed 23 days ago
14 more retailers have this diamond
Prices start from £197 GBPSave up to £729 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
£197 GBP