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Round|Lab Grown|IGI

1.47ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG677518245

Shape and cutting style on the report: Round brilliant

Certificate IGI LG677518245

Diamond specifications and retailer prices

From £205 GBP
As of November 3, 2026
Save £1,239 GBP (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,444 GBP at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.47ct lab-grown round diamond

This 1.47ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG677518245 or 677518245. Listed at 21 retailers as of November 3, 2026, with prices from £205 to £1,444, a £1,239 spread on the same certified stone. Brilliant Earth lists it at £1,444. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.47
Carat
G
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677518245
Dimensions7.38 × 7.36 × 4.44 mm
L/W Ratio1.00
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 Faint Blue
Top View
7.38 mm7.36 mm1.47 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677518245
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.2%

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: Nov 3
Current: £1,444 GBP|Low: £203 GBP|High: £1,852 GBP|Avg: £637 GBP|-22.0%
Brilliant Earth
Retailer 2
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Retailer 12
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Retailer 17
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Retailer 19
Retailer 20
November 5, 2026
Retailer 11£205 GBP
Retailer 18£229 GBP
Retailer 20£238 GBP
Retailer 6£254 GBP
Retailer 7£254 GBP
Retailer 19£370 GBP
Retailer 8£419 GBP
Retailer 14£427 GBP
Retailer 17£438 GBP
Retailer 2£442 GBP
Retailer 5£447 GBP
Retailer 15£624 GBP
Retailer 16£691 GBP
Retailer 12£817 GBP
Retailer 10£855 GBP
Retailer 4£883 GBP
Retailer 13£1,016 GBP
Retailer 9£1,065 GBP
Retailer 3£1,241 GBP
Brilliant Earth£1,444 GBP

39 data points across 20 retailers

21 retailers£205 GBP to £1,444 GBP

A
Cheapest Retailer
-
£205 GBP
A
Retailer 2
-
£229 GBP
View
Final sale: no returns
A
Retailer 3
-
£238 GBP
View
Retailer 4
-
£239 GBP
View
Price last confirmed 65 days ago
A
Retailer 5
-
£254 GBP
View
Retailer 6
-
£254 GBP
View
Price last confirmed 11 days ago
A
Retailer 7
-
£370 GBP
View
A
Retailer 8
-
£419 GBP
View
A
Retailer 9
-
£427 GBP
View
A
Retailer 10
-
£438 GBP
View
A
Retailer 11
-
£442 GBP
View
A
Retailer 12
-
£447 GBP
View
B+
Retailer 13
-
£624 GBP
View
B+
Retailer 14
-
£691 GBP
View
B+
Retailer 15
-
£817 GBP
View
B
Retailer 16
-
£855 GBP
View
B
Retailer 17
-
£883 GBP
View
B
Retailer 18
-
£1,016 GBP
View
B
Retailer 19
-
£1,065 GBP
View
B
Retailer 20
-
£1,241 GBP
View
Most Expensive
B
Brilliant Earth
14234799A · Nov 3
£1,444 GBP
$1,950 USD
View
20 more retailers have this diamond
Prices start from £205 GBPSave up to £1,239 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
1.47ct Round
£205 GBP