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Round|Lab Grown|IGI

1.43ct G VVS1 Round Lab Grown Diamond

EX • G/VVS1 • IGI LG640478339

Shape and cutting style on the report: Round brilliant

Certificate IGI LG640478339

Diamond specifications and retailer prices

From £157 GBP
$210 USD
As of November 1, 2026
Save £642 GBP (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £799 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.43ct lab-grown round diamond

This 1.43ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG640478339 or 640478339. Listed at 21 retailers as of October 31, 2026, with prices from £157 to £799, a £642 spread on the same certified stone. Brilliant Earth lists it at £799. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.43
Carat
G
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640478339
Dimensions7.17 × 7.12 × 4.52 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 Faint Blue
Top View
7.17 mm7.12 mm1.43 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640478339
Side View
Table 59.0%Crown 35.7°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.2%

Caratlytics Score

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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 1
Current: £799 GBP|Low: £151 GBP|High: £799 GBP|Avg: £421 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 12£157 GBP
Retailer 3£194 GBP
Retailer 8£324 GBP
Retailer 6£325 GBP
Retailer 4£334 GBP
Retailer 2£336 GBP
Retailer 7£358 GBP
Retailer 9£472 GBP
Retailer 11£475 GBP
Retailer 10£575 GBP
Retailer 5£779 GBP
Brilliant Earth£799 GBP

36 data points across 12 retailers

21 retailers£157 GBP to £799 GBP

A
Cheapest Retailer
-
£157 GBP
$210 USD
A
Retailer 2
-
£175 GBP
$235 USD
View
Final sale: no returns
A
Retailer 3
-
£182 GBP
$244 USD
View
Retailer 4
-
£194 GBP
$260 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£194 GBP
$260 USD
View
A
Retailer 6
-
£324 GBP
€413 EUR
View
A
Retailer 7
-
£325 GBP
View
A
Retailer 8
-
£334 GBP
$448 USD
View
A
Retailer 9
-
£336 GBP
ZAR 7,265 ZAR
View
A
Retailer 10
-
£358 GBP
View
B+
Retailer 11
-
£438 GBP
$587 USD
View
B+
Retailer 12
-
£446 GBP
$597 USD
View
B+
Retailer 13
-
£472 GBP
$632 USD
View
B+
Retailer 14
-
£475 GBP
A$979 AUD
View
B
Retailer 15
-
£500 GBP
$670 USD
View
B+
Retailer 16
-
£575 GBP
$770 USD
View
B
Retailer 17
-
£625 GBP
$837 USD
View
B
Retailer 18
-
£629 GBP
SGD 1,139 SGD
View
B
Retailer 19
-
£665 GBP
$890 USD
View
B
Retailer 20
-
£779 GBP
View
Most Expensive
B
Brilliant Earth
20667383A · Oct 31
£799 GBP
$1,070 USD
View
20 more retailers have this diamond
Prices start from £157 GBPSave up to £642 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
1.43ct Round
£157 GBP