Heart|Lab Grown|IGI

1.03ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG818690643

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818690643

Diamond specifications and retailer prices

From $328 USD
As of October 29, 2026
Save $366 USD (53%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $930 USD at MOH London · As of October 26, 2026
View at MOH London

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 LG818690643 or 818690643. Listed at 7 retailers as of October 29, 2026, with a 111% 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
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818690643
Dimensions6.93 × 6.70 × 3.97 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.93 mm6.70 mm1.03 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818690643
Side View
Table 64.0%Crown 31.7°Girdle: MED-THKPavilion 42°Culet: NoneDepth 57.3%

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: Oct 29
Current: $930 USD|Low: $328 USD|High: $977 USD|Avg: $536 USD|-3.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 4$328 USD
Retailer 2$349 USD
Retailer 7$359 USD
Retailer 3$377 USD
Retailer 5$517 USD
Retailer 6$694 USD
MOH London$930 USD

37 data points across 7 retailers

7 retailers$328 USD to $694 USD

A
Cheapest Retailer
-
$328 USD
A
Retailer 2
-
$349 USD
£275 GBP
View
A
Retailer 3
-
$359 USD
View
A
Retailer 4
-
$377 USD
£297 GBP
View
B+
Retailer 5
-
$517 USD
View
B
Retailer 6
-
$694 USD
View
Most Expensive
MOH London
LG818690643 · Oct 26
$930 USD
£732 GBP
View
Price last confirmed 7 days ago
6 more retailers have this diamond
Prices start from $328 USDSave up to $366 USD

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
$328 USD