CaratHunter
Plans
Heart|Lab Grown|IGI

1.03ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG806618386

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG806618386

Diamond specifications and retailer prices

From £161 GBP
As of November 4, 2026
Save £718 GBP (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,541 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.03ct lab-grown heart diamond

This 1.03ct lab-grown heart sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG806618386 or 806618386. Listed at 15 retailers as of November 4, 2026, with a 447% 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
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG806618386
Dimensions7.11 × 6.39 × 3.87 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
7.11 mm6.39 mm1.03 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG806618386
Side View
Table 64.0%Crown 37.2°Girdle: MED-STKPavilion 36.4°Culet: NoneDepth 54.4%

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: Nov 4
Current: £1,541 GBP|Low: £154 GBP|High: £1,541 GBP|Avg: £507 GBP
Do Amore Diamonds
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
November 5, 2026
Retailer 13£161 GBP
Retailer 3£186 GBP
Retailer 6£198 GBP
Retailer 4£199 GBP
Retailer 14£199 GBP
Retailer 12£258 GBP
Retailer 10£379 GBP
Retailer 2£409 GBP
Retailer 5£429 GBP
Retailer 9£538 GBP
Retailer 11£642 GBP
Retailer 15£707 GBP
Retailer 7£833 GBP
Retailer 8£879 GBP
Do Amore Diamonds£1,541 GBP

44 data points across 15 retailers

15 retailers£161 GBP to £879 GBP

A
Cheapest Retailer
-
£161 GBP
A
Retailer 2
-
£186 GBP
View
A
Retailer 3
-
£198 GBP
View
A
Retailer 4
-
£199 GBP
View
Retailer 5
-
£199 GBP
View
Price last confirmed 11 days ago
A
Retailer 6
-
£258 GBP
View
B+
Retailer 7
-
£379 GBP
View
B+
Retailer 8
-
£409 GBP
View
B+
Retailer 9
-
£429 GBP
View
B
Retailer 10
-
£538 GBP
View
B
Retailer 11
-
£642 GBP
View
B
Retailer 12
-
£707 GBP
View
B
Retailer 13
-
£833 GBP
View
B
Retailer 14
-
£879 GBP
View
Most Expensive
Do Amore Diamonds
27-56D78DC03 · Nov 4
£1,541 GBP
$2,080 USD
View
Price under review
14 more retailers have this diamond
Prices start from £161 GBPSave up to £718 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
£161 GBP