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Round|Lab Grown|IGI

1.20ct E FL Round Lab Grown Diamond

EX • E/FL • IGI LG786634147

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786634147

Diamond specifications and retailer prices

From £684 GBP
$916 USD
As of October 29, 2026
Save £1,545 GBP (69%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £3,238 GBP at With Clarity · As of October 30, 2026
View at With Clarity

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG786634147 or 786634147. Listed at 21 retailers as of October 29, 2026, with a 226% 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
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786634147
Dimensions6.90 × 6.95 × 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
6.90 mm6.95 mm1.20 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786634147
Side View
Table 57.0%Crown 32.2°Girdle: MediumPavilion 40.9°Culet: NoneDepth 59.9%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £1,216 GBP|Low: £656 GBP|High: £2,724 GBP|Avg: £1,392 GBP|+2.8%
Retailer 1
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 30, 2026
Retailer 14£684 GBP
Retailer 4£743 GBP
Retailer 6£765 GBP
Retailer 7£793 GBP
Retailer 15£793 GBP
Retailer 11£922 GBP
Retailer 3£940 GBP
Retailer 1£1,216 GBP
Retailer 10£1,243 GBP
Retailer 9£1,457 GBP
Retailer 13£1,609 GBP
Retailer 12£2,030 GBP
Retailer 5£2,229 GBP
Retailer 2£2,661 GBP
Retailer 8£2,702 GBP

43 data points across 15 retailers

21 retailers£684 GBP to £2,229 GBP

B+
Cheapest Retailer
-
£684 GBP
$916 USD
B+
Retailer 2
-
£743 GBP
$996 USD
View
B+
Retailer 3
-
£765 GBP
$1,025 USD
View
Final sale: no returns
Retailer 4
-
£793 GBP
$1,062 USD
View
Price last confirmed 13 days ago
B+
Retailer 5
-
£793 GBP
$1,062 USD
View
B
Retailer 6
-
£917 GBP
HK$9,600 HKD
View
B+
Retailer 7
-
£922 GBP
$1,235 USD
View
B
Retailer 8
-
£940 GBP
$1,260 USD
View
B
Retailer 9
-
£1,134 GBP
$1,520 USD
View
Retailer 10
-
£1,205 GBP
$1,614 USD
View
Price last confirmed 88 days ago
B
Retailer 11
-
£1,216 GBP
View
B
Retailer 12
-
£1,243 GBP
€1,586 EUR
View
B
Retailer 13
-
£1,457 GBP
ZAR 31,537 ZAR
View
B
Retailer 14
-
£1,609 GBP
$2,156 USD
View
B
Retailer 15
-
£2,030 GBP
$2,720 USD
View
B
Retailer 16
-
£2,229 GBP
$2,986 USD
View
Retailer 17
-
£2,595 GBP
$3,477 USD
View
Price under review
Retailer 18
-
£2,661 GBP
SGD 4,818 SGD
View
Price under review
Retailer 19
-
£2,702 GBP
View
Price under review
Retailer 20
-
£2,755 GBP
$3,691 USD
View
Price under review
Most Expensive
With Clarity
786634147 · Oct 30
£3,238 GBP
$4,339 USD
View
Price under review
20 more retailers have this diamond
Prices start from £684 GBPSave up to £1,545 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.

B+
1.20ct Round
£684 GBP