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Heart|Lab Grown|IGI

1.03ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG803619677

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG803619677

Diamond specifications and retailer prices

From £184 GBP
As of November 3, 2026
Save £753 GBP (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,696 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 LG803619677 or 803619677. Listed at 18 retailers as of November 3, 2026, with a 408% 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 angle32.4°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803619677
Dimensions7.27 × 6.04 × 4.15 mm
L/W Ratio1.20
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.27 mm6.04 mm1.03 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803619677
Side View
Table 65.0%Crown 32.4°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 57.1%

Caratlytics Score

How it works →
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: Nov 3
Current: £1,696 GBP|Low: £184 GBP|High: £1,696 GBP|Avg: £563 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 11£184 GBP
Retailer 9£204 GBP
Retailer 3£274 GBP
Retailer 6£390 GBP
Retailer 2£424 GBP
Retailer 10£433 GBP
Retailer 8£481 GBP
Retailer 5£553 GBP
Retailer 7£659 GBP
Retailer 4£901 GBP
Do Amore Diamonds£1,696 GBP

42 data points across 11 retailers

18 retailers£184 GBP to £937 GBP

Retailer 1
-
£159 GBP
Price last confirmed 34 days ago
A
Retailer 2
-
£184 GBP
View
Final sale: no returns
Retailer 3
-
£191 GBP
View
Price last confirmed 37 days ago
A
Retailer 4
-
£199 GBP
View
Retailer 5
-
£204 GBP
View
Price last confirmed 33 days ago
A
Retailer 6
-
£274 GBP
View
B+
Retailer 7
-
£390 GBP
View
B+
Retailer 8
-
£424 GBP
View
B+
Retailer 9
-
£433 GBP
View
Retailer 10
-
£481 GBP
View
Price last confirmed 11 days ago
B
Retailer 11
-
£553 GBP
View
B
Retailer 12
-
£659 GBP
View
Retailer 13
-
£725 GBP
View
Price last confirmed 36 days ago
B
Retailer 14
-
£852 GBP
View
B
Retailer 15
-
£901 GBP
View
B
Retailer 16
-
£937 GBP
View
Retailer 17
-
£1,585 GBP
View
Price under review
Most Expensive
Do Amore Diamonds
23-803619677 · Nov 4
£1,696 GBP
$2,290 USD
View
Price under review
17 more retailers have this diamond
Prices start from £184 GBPSave up to £753 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
£184 GBP