Heart|Lab Grown|IGI

1.05ct D VVS1 Heart Lab Grown Diamond

EX • D/VVS1 • IGI LG812620247

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG812620247

Diamond specifications and retailer prices

From £156 GBP
$209 USD
As of October 30, 2026
Save £703 GBP (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £866 GBP at Brilliant Earth · As of October 22, 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 LG812620247 or 812620247. Listed at 21 retailers as of October 30, 2026, with a 451% 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812620247
Dimensions6.48 × 7.06 × 4.03 mm
L/W Ratio1.09
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
6.48 mm7.06 mm1.05 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812620247
Side View
Table 60.0%Crown 33.9°Girdle: STK-THKPavilion 38.7°Culet: NoneDepth 57.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £866 GBP|Low: £156 GBP|High: £866 GBP|Avg: £414 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
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 15£156 GBP
Retailer 7£176 GBP
Retailer 6£245 GBP
Retailer 9£296 GBP
Retailer 12£297 GBP
Retailer 2£313 GBP
Retailer 13£337 GBP
Retailer 14£363 GBP
Retailer 4£408 GBP
Retailer 3£421 GBP
Retailer 8£434 GBP
Retailer 5£595 GBP
Retailer 10£811 GBP
Retailer 11£859 GBP
Brilliant Earth£866 GBP

41 data points across 15 retailers

21 retailers£156 GBP to £859 GBP

Retailer 1
-
£140 GBP
$188 USD
Price last confirmed 23 days ago
A
Retailer 2
-
£156 GBP
$209 USD
View
Final sale: no returns
Retailer 3
-
£163 GBP
$219 USD
View
Price last confirmed 32 days ago
Retailer 4
-
£174 GBP
$233 USD
View
Price last confirmed 28 days ago
Retailer 5
-
£174 GBP
$233 USD
View
Price last confirmed 36 days ago
Retailer 6
-
£174 GBP
$233 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
£245 GBP
$328 USD
View
A
Retailer 8
-
£296 GBP
€378 EUR
View
A
Retailer 9
-
£297 GBP
ZAR 6,419 ZAR
View
Retailer 10
-
£309 GBP
View
Price last confirmed 19 days ago
B+
Retailer 11
-
£313 GBP
View
B+
Retailer 12
-
£337 GBP
$452 USD
View
B+
Retailer 13
-
£363 GBP
$487 USD
View
B+
Retailer 14
-
£408 GBP
$547 USD
View
B+
Retailer 15
-
£421 GBP
A$868 AUD
View
B+
Retailer 16
-
£434 GBP
$582 USD
View
Retailer 17
-
£559 GBP
$749 USD
View
Price last confirmed 26 days ago
B+
Retailer 18
-
£595 GBP
$798 USD
View
B
Retailer 19
-
£811 GBP
View
B
Retailer 20
-
£859 GBP
$1,151 USD
View
Most Expensive
Brilliant Earth
20677591A · Oct 22
£866 GBP
$1,160 USD
View
Price last confirmed 9 days ago
20 more retailers have this diamond
Prices start from £156 GBPSave up to £703 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
£156 GBP