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Round|Lab Grown|IGI

1.08ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG737509649

Shape and cutting style on the report: Round brilliant

Certificate IGI LG737509649

Diamond specifications and retailer prices

From £149 GBP
$200 USD
As of November 1, 2026
Save £925 GBP (86%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £1,328 GBP at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 1.08ct lab-grown round diamond

This 1.08ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG737509649 or 737509649. Listed at 26 retailers as of October 31, 2026, with a 620% 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

1.08
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737509649
Dimensions6.56 × 6.52 × 4.08 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
6.56 mm6.52 mm1.08 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737509649
Side View
Table 57.0%Crown 35.8°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A+
Exceptional
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: Nov 1
Current: £1,075 GBP|Low: £149 GBP|High: £1,388 GBP|Avg: £426 GBP|-22.6%
Brilliant Earth
Retailer 2
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Retailer 23
November 2, 2026
Retailer 10£149 GBP
Retailer 8£167 GBP
Retailer 5£173 GBP
Retailer 7£185 GBP
Retailer 23£185 GBP
Retailer 16£210 GBP
Retailer 9£250 GBP
Retailer 2£299 GBP
Retailer 18£310 GBP
Retailer 17£320 GBP
Retailer 13£339 GBP
Retailer 6£364 GBP
Retailer 11£384 GBP
Retailer 19£407 GBP
Retailer 20£448 GBP
Retailer 22£453 GBP
Retailer 14£503 GBP
Retailer 21£571 GBP
Retailer 4£596 GBP
Retailer 12£636 GBP
Retailer 15£698 GBP
Retailer 3£867 GBP
Brilliant Earth£1,075 GBP

23 data points across 23 retailers

26 retailers£149 GBP to £1,075 GBP

A+
Cheapest Retailer
-
£149 GBP
$200 USD
A
Retailer 2
-
£167 GBP
$224 USD
View
Final sale: no returns
A
Retailer 3
-
£173 GBP
$232 USD
View
A
Retailer 4
-
£185 GBP
$248 USD
View
Retailer 5
-
£185 GBP
$248 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
£210 GBP
HK$2,200 HKD
View
A
Retailer 7
-
£250 GBP
$335 USD
View
A
Retailer 8
-
£299 GBP
View
A
Retailer 9
-
£310 GBP
€396 EUR
View
A
Retailer 10
-
£320 GBP
ZAR 6,924 ZAR
View
A
Retailer 11
-
£339 GBP
View
B+
Retailer 12
-
£364 GBP
$488 USD
View
B+
Retailer 13
-
£384 GBP
$514 USD
View
B+
Retailer 14
-
£407 GBP
A$838 AUD
View
B+
Retailer 15
-
£448 GBP
$600 USD
View
B+
Retailer 16
-
£453 GBP
A$933 AUD
View
B+
Retailer 17
-
£503 GBP
SGD 910 SGD
View
B+
Retailer 18
-
£571 GBP
A$1,177 AUD
View
Retailer 19
-
£573 GBP
$768 USD
View
Price last confirmed 34 days ago
B+
Retailer 20
-
£596 GBP
$798 USD
View
B+
Retailer 21
-
£636 GBP
$852 USD
View
Retailer 22
-
£698 GBP
$935 USD
View
Price last confirmed 8 days ago
Retailer 23
-
£742 GBP
$994 USD
View
Price last confirmed 91 days ago
B
Retailer 24
-
£867 GBP
View
B
Retailer 25
-
£1,075 GBP
$1,440 USD
View
Most Expensive
Brilliant Earth
16693044A · Oct 22
£1,328 GBP
$1,780 USD
View
Price last confirmed 10 days ago
25 more retailers have this diamond
Prices start from £149 GBPSave up to £925 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+
1.08ct Round
£149 GBP