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Round|Lab Grown|IGI

1.00ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG816602035

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816602035

Diamond specifications and retailer prices

From £342 GBP
$458 USD
As of October 29, 2026
Save £1,224 GBP (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,566 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1ct lab-grown round diamond

This 1ct 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 LG816602035 or 816602035. Listed at 17 retailers as of October 29, 2026, with prices from £342 to £1,566, a £1,224 spread on the same certified stone. MOH London lists it at £1,566. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816602035
Dimensions6.49 × 6.43 × 3.94 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS 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
6.49 mm6.43 mm1.00 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816602035
Side View
Table 58.0%Crown 34.7°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.1%

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 29
Current: £1,566 GBP|Low: £328 GBP|High: £1,576 GBP|Avg: £720 GBP|+0.5%
MOH London
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 31, 2026
Retailer 12£342 GBP
Retailer 5£382 GBP
Retailer 8£383 GBP
Retailer 4£424 GBP
Retailer 15£424 GBP
Retailer 11£504 GBP
Retailer 7£641 GBP
Retailer 9£665 GBP
Retailer 10£686 GBP
Retailer 2£694 GBP
Retailer 13£729 GBP
Retailer 3£1,140 GBP
Retailer 14£1,363 GBP
Retailer 6£1,506 GBP
MOH London£1,566 GBP

37 data points across 15 retailers

17 retailers£342 GBP to £1,566 GBP

A
Cheapest Retailer
-
£342 GBP
$458 USD
A
Retailer 2
-
£382 GBP
$512 USD
View
Final sale: no returns
A
Retailer 3
-
£383 GBP
$513 USD
View
B+
Retailer 4
-
£413 GBP
$553 USD
View
Retailer 5
-
£424 GBP
$568 USD
View
Price last confirmed 15 days ago
B+
Retailer 6
-
£424 GBP
$568 USD
View
B+
Retailer 7
-
£504 GBP
$675 USD
View
B+
Retailer 8
-
£641 GBP
$859 USD
View
B
Retailer 9
-
£665 GBP
$891 USD
View
B+
Retailer 10
-
£686 GBP
View
B+
Retailer 11
-
£694 GBP
View
B+
Retailer 12
-
£729 GBP
ZAR 15,774 ZAR
View
B
Retailer 13
-
£1,140 GBP
$1,527 USD
View
B
Retailer 14
-
£1,363 GBP
$1,826 USD
View
B
Retailer 15
-
£1,386 GBP
$1,858 USD
View
B
Retailer 16
-
£1,506 GBP
$2,018 USD
View
Most Expensive
B
MOH London
LG816602035 · Oct 29
£1,566 GBP
View
16 more retailers have this diamond
Prices start from £342 GBPSave up to £1,224 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
1.00ct Round
£342 GBP