Heart|Lab Grown|IGI

1.05ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG830624030

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG830624030

Diamond specifications and retailer prices

From £140 GBP
$188 USD
As of October 30, 2026
Save £678 GBP (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £873 GBP at Brilliant Earth · As of October 13, 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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG830624030 or 830624030. Listed at 20 retailers as of October 29, 2026, with a 483% 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

1.05
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830624030
Dimensions6.36 × 7.04 × 3.89 mm
L/W Ratio1.11
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
6.36 mm7.04 mm1.05 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830624030
Side View
Table 63.0%Crown 35.9°Girdle: MED-THKPavilion 36.5°Culet: NoneDepth 55.3%

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: Oct 30
Current: £873 GBP|Low: £135 GBP|High: £903 GBP|Avg: £389 GBP|-3.3%
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
November 1, 2026
Retailer 3£140 GBP
Retailer 5£157 GBP
Retailer 4£174 GBP
Retailer 2£199 GBP
Retailer 10£293 GBP
Retailer 12£299 GBP
Retailer 7£305 GBP
Retailer 9£316 GBP
Retailer 8£338 GBP
Retailer 13£424 GBP
Retailer 16£441 GBP
Retailer 14£484 GBP
Retailer 6£560 GBP
Retailer 15£602 GBP
Retailer 11£818 GBP
Brilliant Earth£873 GBP

34 data points across 16 retailers

20 retailers£140 GBP to £818 GBP

A
Cheapest Retailer
-
£140 GBP
$188 USD
A
Retailer 2
-
£157 GBP
$211 USD
View
Final sale: no returns
A
Retailer 3
-
£163 GBP
$218 USD
View
A
Retailer 4
-
£174 GBP
$233 USD
View
A
Retailer 5
-
£174 GBP
$233 USD
View
A
Retailer 6
-
£199 GBP
View
A
Retailer 7
-
£293 GBP
€374 EUR
View
A
Retailer 8
-
£299 GBP
ZAR 6,472 ZAR
View
A
Retailer 9
-
£305 GBP
$408 USD
View
B+
Retailer 10
-
£316 GBP
View
B+
Retailer 11
-
£338 GBP
$453 USD
View
B+
Retailer 12
-
£353 GBP
$473 USD
View
B+
Retailer 13
-
£424 GBP
A$875 AUD
View
B+
Retailer 14
-
£441 GBP
$591 USD
View
B+
Retailer 15
-
£484 GBP
SGD 877 SGD
View
B
Retailer 16
-
£560 GBP
$750 USD
View
B
Retailer 17
-
£600 GBP
$804 USD
View
B
Retailer 18
-
£602 GBP
$806 USD
View
B
Retailer 19
-
£818 GBP
View
Most Expensive
Brilliant Earth
21416989A · Oct 13
£873 GBP
$1,170 USD
View
Price last confirmed 18 days ago
19 more retailers have this diamond
Prices start from £140 GBPSave up to £678 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
£140 GBP