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Heart|Lab Grown|IGI

1.02ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG812621231

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG812621231

Diamond specifications and retailer prices

From £146 GBP
$196 USD
As of October 30, 2026
Save £687 GBP (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £843 GBP at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 1.02ct lab-grown heart diamond

This 1.02ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG812621231 or 812621231. Listed at 20 retailers as of October 30, 2026, with a 470% 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

1.02
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812621231
Dimensions6.80 × 6.26 × 4.16 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
6.80 mm6.26 mm1.02 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812621231
Side View
Table 54.0%Crown 34.5°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 61.2%

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: Oct 30
Current: £843 GBP|Low: £146 GBP|High: £888 GBP|Avg: £436 GBP|-4.2%
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 3£146 GBP
Retailer 7£175 GBP
Retailer 11£230 GBP
Retailer 14£279 GBP
Retailer 9£281 GBP
Retailer 8£292 GBP
Retailer 13£306 GBP
Retailer 15£338 GBP
Retailer 4£397 GBP
Retailer 5£399 GBP
Retailer 2£405 GBP
Retailer 6£564 GBP
Retailer 10£765 GBP
Retailer 12£833 GBP
Brilliant Earth£843 GBP

40 data points across 15 retailers

20 retailers£146 GBP to £833 GBP

Retailer 1
-
£137 GBP
$184 USD
Price last confirmed 22 days ago
A
Retailer 2
-
£146 GBP
$196 USD
View
Final sale: no returns
Retailer 3
-
£164 GBP
$220 USD
View
Price last confirmed 32 days ago
Retailer 4
-
£170 GBP
$228 USD
View
Price last confirmed 28 days ago
Retailer 5
-
£170 GBP
$228 USD
View
Price last confirmed 19 days ago
Retailer 6
-
£173 GBP
$232 USD
View
Price last confirmed 36 days ago
A
Retailer 7
-
£230 GBP
$308 USD
View
A
Retailer 8
-
£279 GBP
ZAR 6,049 ZAR
View
A
Retailer 9
-
£281 GBP
€359 EUR
View
A
Retailer 10
-
£292 GBP
View
A
Retailer 11
-
£306 GBP
$410 USD
View
B+
Retailer 12
-
£338 GBP
$454 USD
View
B+
Retailer 13
-
£397 GBP
A$818 AUD
View
B+
Retailer 14
-
£399 GBP
$534 USD
View
B+
Retailer 15
-
£405 GBP
$542 USD
View
Retailer 16
-
£547 GBP
$733 USD
View
Price last confirmed 26 days ago
B
Retailer 17
-
£564 GBP
$755 USD
View
B
Retailer 18
-
£765 GBP
View
B
Retailer 19
-
£833 GBP
$1,117 USD
View
Most Expensive
Brilliant Earth
20680953A · Oct 22
£843 GBP
$1,130 USD
View
Price last confirmed 8 days ago
19 more retailers have this diamond
Prices start from £146 GBPSave up to £687 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
1.02ct Heart
£146 GBP