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Heart|Lab Grown|IGI

1.03ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG815601817

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG815601817

Diamond specifications and retailer prices

From £140 GBP
$188 USD
As of October 30, 2026
Save £679 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £836 GBP at Brilliant Earth · As of October 16, 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 LG815601817 or 815601817. Listed at 19 retailers as of October 29, 2026, with a 484% 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815601817
Dimensions7.00 × 6.28 × 4.13 mm
L/W Ratio1.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.00 mm6.28 mm1.03 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815601817
Side View
Table 60.0%Crown 32.5°Girdle: MED-THKPavilion 41.1°Culet: NoneDepth 59.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £836 GBP|Low: £140 GBP|High: £858 GBP|Avg: £408 GBP|-1.8%
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
Retailer 19
October 30, 2026
Retailer 8£140 GBP
Retailer 7£157 GBP
Retailer 5£163 GBP
Retailer 4£174 GBP
Retailer 18£174 GBP
Retailer 12£214 GBP
Retailer 19£235 GBP
Retailer 14£299 GBP
Retailer 3£314 GBP
Retailer 2£316 GBP
Retailer 6£408 GBP
Retailer 15£425 GBP
Retailer 16£560 GBP
Retailer 17£562 GBP
Retailer 9£584 GBP
Retailer 10£600 GBP
Retailer 11£615 GBP
Retailer 13£819 GBP
Brilliant Earth£836 GBP

31 data points across 19 retailers

19 retailers£140 GBP to £819 GBP

A
Cheapest Retailer
-
£140 GBP
$188 USD
A
Retailer 2
-
£157 GBP
$210 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
-
£214 GBP
View
A
Retailer 7
-
£235 GBP
$315 USD
View
A
Retailer 8
-
£299 GBP
ZAR 6,474 ZAR
View
B+
Retailer 9
-
£314 GBP
$421 USD
View
B+
Retailer 10
-
£316 GBP
View
B+
Retailer 11
-
£408 GBP
$547 USD
View
B+
Retailer 12
-
£425 GBP
A$876 AUD
View
B
Retailer 13
-
£560 GBP
$750 USD
View
B
Retailer 14
-
£562 GBP
$753 USD
View
B
Retailer 15
-
£584 GBP
$783 USD
View
B
Retailer 16
-
£600 GBP
$804 USD
View
Retailer 17
-
£615 GBP
SGD 1,113 SGD
View
Price last confirmed 18 days ago
B
Retailer 18
-
£819 GBP
View
Most Expensive
Brilliant Earth
20449063A · Oct 16
£836 GBP
$1,120 USD
View
Price last confirmed 14 days ago
18 more retailers have this diamond
Prices start from £140 GBPSave up to £679 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
£140 GBP