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Heart|Lab Grown|IGI

1.05ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG784633386

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG784633386

Diamond specifications and retailer prices

From £162 GBP
HK$1,700 HKD
As of November 1, 2026
Save £621 GBP (79%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £784 GBP at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 1.05ct lab-grown heart diamond

This 1.05ct lab-grown heart sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG784633386 or 784633386. Listed at 20 retailers as of October 26, 2026, with prices from £162 to £784, a £621 spread on the same certified stone. Brilliant Earth lists it at £784. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle31.9°
Pavilion angle42.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784633386
Dimensions6.40 × 7.06 × 4.23 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.40 mm7.06 mm1.05 ctG / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG784633386
Side View
Table 61.0%Crown 31.9°Girdle: MED-STKPavilion 42.6°Culet: NoneDepth 59.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £530 GBP|Low: £116 GBP|High: £784 GBP|Avg: £327 GBP|-32.4%
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 9£118 GBP
Retailer 6£137 GBP
Retailer 5£146 GBP
Retailer 7£162 GBP
Retailer 3£180 GBP
Retailer 11£244 GBP
Retailer 18£247 GBP
Retailer 15£255 GBP
Retailer 2£260 GBP
Retailer 4£265 GBP
Retailer 16£314 GBP
Retailer 8£328 GBP
Retailer 13£375 GBP
Retailer 12£398 GBP
Retailer 14£469 GBP
Retailer 10£511 GBP
Brilliant Earth£530 GBP
Retailer 17£684 GBP

38 data points across 18 retailers

20 retailers£162 GBP to £784 GBP

Retailer 1
-
£118 GBP
$158 USD
Price last confirmed 16 days ago
Retailer 2
-
£137 GBP
$183 USD
View
Price last confirmed 18 days ago
Retailer 3
-
£146 GBP
$196 USD
View
Price last confirmed 18 days ago
A
Retailer 4
-
£162 GBP
HK$1,700 HKD
View
Retailer 5
-
£180 GBP
View
Price last confirmed 16 days ago
A
Retailer 6
-
£244 GBP
€312 EUR
View
Retailer 7
-
£247 GBP
ZAR 5,351 ZAR
View
Price last confirmed 10 days ago
A
Retailer 8
-
£255 GBP
View
B+
Retailer 9
-
£260 GBP
$348 USD
View
Retailer 10
-
£265 GBP
$355 USD
View
Price last confirmed 7 days ago
Retailer 11
-
£314 GBP
View
Price last confirmed 7 days ago
B+
Retailer 12
-
£328 GBP
$440 USD
View
B+
Retailer 13
-
£375 GBP
$502 USD
View
B+
Retailer 14
-
£398 GBP
SGD 720 SGD
View
B
Retailer 15
-
£469 GBP
$628 USD
View
Retailer 16
-
£470 GBP
$630 USD
View
Price last confirmed 16 days ago
B
Retailer 17
-
£511 GBP
$685 USD
View
B
Retailer 18
-
£530 GBP
$710 USD
View
B
Retailer 19
-
£684 GBP
View
Most Expensive
B
Brilliant Earth
18220298A · Oct 26
£784 GBP
$1,050 USD
View
19 more retailers have this diamond
Prices start from £162 GBPSave up to £621 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
1.05ct Heart
£162 GBP