Round|Lab Grown|IGI

1.01ct F FL Round Lab Grown Diamond

ID • F/FL • IGI LG836614455

Shape and cutting style on the report: Round brilliant

Certificate IGI LG836614455

Diamond specifications and retailer prices

From £162 GBP
$217 USD
As of October 29, 2026
Save £1,149 GBP (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,311 GBP at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 1.01ct lab-grown round diamond

This 1.01ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836614455 or 836614455. Listed at 22 retailers as of October 29, 2026, with prices from £162 to £1,311, a £1,149 spread on the same certified stone. Helzberg Diamonds lists it at £1,311. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
F
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836614455
Dimensions6.45 × 6.49 × 3.87 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
6.45 mm6.49 mm1.01 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836614455
Side View
Table 59.0%Crown 33.3°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
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 29
Current: £1,311 GBP|Low: £162 GBP|High: £1,493 GBP|Avg: £525 GBP
Helzberg Diamonds
Retailer 2
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Retailer 21
November 1, 2026
Retailer 5£162 GBP
Retailer 7£181 GBP
Retailer 20£188 GBP
Retailer 11£201 GBP
Retailer 19£201 GBP
Retailer 13£324 GBP
Retailer 17£338 GBP
Retailer 3£345 GBP
Retailer 18£345 GBP
Retailer 6£348 GBP
Retailer 15£372 GBP
Retailer 10£375 GBP
Retailer 9£542 GBP
Retailer 12£646 GBP
Retailer 4£648 GBP
Retailer 8£685 GBP
Retailer 21£690 GBP
Retailer 14£709 GBP
Retailer 2£805 GBP
Retailer 16£925 GBP
Helzberg Diamonds£1,311 GBP

24 data points across 21 retailers

22 retailers£162 GBP to £1,311 GBP

A
Cheapest Retailer
-
£162 GBP
$217 USD
A
Retailer 2
-
£181 GBP
$243 USD
View
Final sale: no returns
A
Retailer 3
-
£188 GBP
$252 USD
View
A
Retailer 4
-
£201 GBP
$269 USD
View
Retailer 5
-
£201 GBP
$269 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
£324 GBP
View
A
Retailer 7
-
£338 GBP
€431 EUR
View
B+
Retailer 8
-
£345 GBP
$462 USD
View
A
Retailer 9
-
£345 GBP
ZAR 7,471 ZAR
View
B+
Retailer 10
-
£348 GBP
$466 USD
View
B+
Retailer 11
-
£372 GBP
View
B+
Retailer 12
-
£375 GBP
$503 USD
View
B+
Retailer 13
-
£542 GBP
SGD 982 SGD
View
B
Retailer 14
-
£646 GBP
$865 USD
View
B
Retailer 15
-
£648 GBP
$868 USD
View
B
Retailer 16
-
£685 GBP
$918 USD
View
B
Retailer 17
-
£690 GBP
$924 USD
View
Retailer 18
-
£709 GBP
$950 USD
View
Price last confirmed 8 days ago
Retailer 19
-
£716 GBP
$960 USD
View
Price last confirmed 12 days ago
B
Retailer 20
-
£805 GBP
View
B
Retailer 21
-
£925 GBP
$1,240 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJMMHKKLL · Nov 1
£1,311 GBP
$1,756 USD
View
21 more retailers have this diamond
Prices start from £162 GBPSave up to £1,149 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
1.01ct Round
£162 GBP