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Heart|Lab Grown|IGI

1.03ct E VVS1 Heart Lab Grown Diamond

EX • E/VVS1 • IGI LG812620262

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG812620262

Diamond specifications and retailer prices

From £147 GBP
$197 USD
As of October 30, 2026
Save £690 GBP (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £843 GBP at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 1.03ct lab-grown heart diamond

This 1.03ct 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 LG812620262 or 812620262. Listed at 19 retailers as of October 30, 2026, with a 469% 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

1.03
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812620262
Dimensions6.31 × 7.07 × 4.07 mm
L/W Ratio1.12
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
6.31 mm7.07 mm1.03 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812620262
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 37.5°Culet: NoneDepth 57.6%

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: £113 GBP|High: £867 GBP|Avg: £470 GBP|-2.6%
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
October 30, 2026
Retailer 12£147 GBP
Retailer 7£231 GBP
Retailer 10£282 GBP
Retailer 2£295 GBP
Retailer 9£311 GBP
Retailer 11£342 GBP
Retailer 3£400 GBP
Retailer 13£400 GBP
Retailer 4£568 GBP
Retailer 5£583 GBP
Retailer 6£772 GBP
Retailer 8£837 GBP
Brilliant Earth£843 GBP

36 data points across 13 retailers

19 retailers£147 GBP to £837 GBP

Retailer 1
-
£138 GBP
$185 USD
Price last confirmed 22 days ago
A
Retailer 2
-
£147 GBP
$197 USD
View
Final sale: no returns
Retailer 3
-
£165 GBP
$221 USD
View
Price last confirmed 32 days ago
Retailer 4
-
£172 GBP
$230 USD
View
Price last confirmed 27 days ago
Retailer 5
-
£172 GBP
$230 USD
View
Price last confirmed 18 days ago
Retailer 6
-
£174 GBP
$233 USD
View
Price last confirmed 35 days ago
A
Retailer 7
-
£231 GBP
$310 USD
View
A
Retailer 8
-
£282 GBP
ZAR 6,099 ZAR
View
A
Retailer 9
-
£295 GBP
View
B+
Retailer 10
-
£311 GBP
$417 USD
View
B+
Retailer 11
-
£342 GBP
$458 USD
View
B+
Retailer 12
-
£400 GBP
$536 USD
View
B+
Retailer 13
-
£400 GBP
A$825 AUD
View
Retailer 14
-
£552 GBP
$739 USD
View
Price last confirmed 26 days ago
B
Retailer 15
-
£568 GBP
$761 USD
View
B
Retailer 16
-
£583 GBP
$781 USD
View
B
Retailer 17
-
£772 GBP
View
B
Retailer 18
-
£837 GBP
$1,121 USD
View
Most Expensive
Brilliant Earth
20677512A · Oct 22
£843 GBP
$1,130 USD
View
Price last confirmed 8 days ago
18 more retailers have this diamond
Prices start from £147 GBPSave up to £690 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
1.03ct Heart
£147 GBP