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Heart|Lab Grown|IGI

1.03ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG792658328

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG792658328

Diamond specifications and retailer prices

From €137 EUR
As of November 4, 2026
Save €485 EUR (78%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €914 EUR at Brilliant Earth · As of October 26, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG792658328 or 792658328. Listed at 20 retailers as of November 2, 2026, with a 355% 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
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle43.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792658328
Dimensions6.42 × 6.94 × 4.11 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.42 mm6.94 mm1.03 ctG / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG792658328
Side View
Table 63.0%Crown 38.5°Girdle: THN-STKPavilion 43.6°Culet: NoneDepth 59.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: €621 EUR|Low: €137 EUR|High: €914 EUR|Avg: €405 EUR|-32.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 5, 2026
Retailer 13€137 EUR
Retailer 18€159 EUR
Retailer 19€170 EUR
Retailer 10€193 EUR
Retailer 12€207 EUR
Retailer 3€287 EUR
Retailer 8€289 EUR
Retailer 2€293 EUR
Retailer 6€299 EUR
Retailer 17€309 EUR
Retailer 16€321 EUR
Retailer 11€388 EUR
Retailer 9€442 EUR
Retailer 4€464 EUR
Retailer 14€545 EUR
Retailer 5€547 EUR
Retailer 15€594 EUR
Brilliant Earth€621 EUR
Retailer 7€801 EUR

32 data points across 19 retailers

20 retailers€137 EUR to €621 EUR

A
Cheapest Retailer
-
€137 EUR
A
Retailer 2
-
€159 EUR
View
A
Retailer 3
-
€170 EUR
View
A
Retailer 4
-
€193 EUR
View
A
Retailer 5
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€207 EUR
View
A
Retailer 6
-
€287 EUR
View
Retailer 7
-
€289 EUR
View
Price last confirmed 13 days ago
A
Retailer 8
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€293 EUR
View
B+
Retailer 9
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€299 EUR
View
B+
Retailer 10
-
€309 EUR
View
B+
Retailer 11
-
€321 EUR
View
Retailer 12
-
€388 EUR
View
Price last confirmed 10 days ago
B+
Retailer 13
-
€442 EUR
View
B+
Retailer 14
-
€464 EUR
View
B
Retailer 15
-
€545 EUR
View
B
Retailer 16
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€547 EUR
View
B
Retailer 17
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€594 EUR
View
B
Retailer 18
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€621 EUR
View
Retailer 19
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€801 EUR
View
Price last confirmed 10 days ago
Most Expensive
Brilliant Earth
19713981A · Oct 26
€914 EUR
$1,030 USD
View
Price last confirmed 9 days ago
19 more retailers have this diamond
Prices start from €137 EURSave up to €485 EUR

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
€137 EUR