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Heart|Lab Grown|IGI

1.02ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG778675376

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG778675376

Diamond specifications and retailer prices

From €169 EUR
As of November 4, 2026
Save €864 EUR (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,528 EUR at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.02ct lab-grown heart diamond

This 1.02ct 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 LG778675376 or 778675376. Listed at 19 retailers as of November 4, 2026, with a 511% 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

1.02
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778675376
Dimensions5.85 × 6.99 × 4.18 mm
L/W Ratio1.19
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.85 mm6.99 mm1.02 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778675376
Side View
Table 61.0%Crown 35.6°Girdle: ThickPavilion 39°Culet: NoneDepth 59.8%

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 4
Current: €249 EUR|Low: €165 EUR|High: €1,034 EUR|Avg: €451 EUR|-3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 18
November 5, 2026
Retailer 14€169 EUR
Retailer 9€188 EUR
Retailer 16€196 EUR
Retailer 3€209 EUR
Retailer 10€213 EUR
Retailer 1€249 EUR
Retailer 2€283 EUR
Retailer 7€298 EUR
Retailer 17€362 EUR
Retailer 11€377 EUR
Retailer 5€422 EUR
Retailer 15€511 EUR
Retailer 13€541 EUR
Retailer 4€674 EUR
Retailer 6€695 EUR
Retailer 8€722 EUR
Retailer 12€977 EUR
Retailer 18€1,034 EUR

36 data points across 18 retailers

19 retailers€169 EUR to €1,034 EUR

A
Cheapest Retailer
-
€169 EUR
A
Retailer 2
-
€188 EUR
View
Final sale: no returns
A
Retailer 3
-
€196 EUR
View
A
Retailer 4
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€209 EUR
View
Retailer 5
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€213 EUR
View
Price last confirmed 12 days ago
A
Retailer 6
-
€249 EUR
View
A
Retailer 7
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€283 EUR
View
A
Retailer 8
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€298 EUR
View
B+
Retailer 9
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€362 EUR
View
B+
Retailer 10
-
€377 EUR
View
B+
Retailer 11
-
€422 EUR
View
B+
Retailer 12
-
€511 EUR
View
B
Retailer 13
-
€541 EUR
View
B
Retailer 14
-
€674 EUR
View
B
Retailer 15
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€695 EUR
View
B
Retailer 16
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€722 EUR
View
B
Retailer 17
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€977 EUR
View
B
Retailer 18
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€1,034 EUR
View
Most Expensive
Queensmith
LG778675376 · Oct 28
€1,528 EUR
£1,350 GBP
View
Price last confirmed 8 days ago
18 more retailers have this diamond
Prices start from €169 EURSave up to €864 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
1.02ct Heart
€169 EUR