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Heart|Lab Grown|IGI

1.25ct F VS1 Heart Lab Grown Diamond

EX • F/VS1 • IGI LG681591343

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG681591343

Diamond specifications and retailer prices

From HK$5,287 HKD
£531 GBP
As of November 5, 2026
1 retailer carries this diamond
Only listing: HK$5,287 HKD at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

About this 1.25ct lab-grown heart diamond

This 1.25ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG681591343 or 681591343. Listed at a single retailer as of November 5, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681591343
Dimensions6.78 × 7.42 × 4.38 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.78 mm7.42 mm1.25 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681591343
Side View
Table 57.0%Crown 32.1°Girdle: STK-THKPavilion 41.2°CuletDepth 59.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: HK$5,287 HKD|Low: HK$5,287 HKD|High: HK$5,287 HKD|Avg: HK$5,287 HKD
September 26, 2026
Diamond QuarterHK$5,287 HKD

1 data point across 1 retailer

1 retailer

B
Diamond Quarter
1.25VS1FLG434F91N · Nov 5
HK$5,287 HKD
£531 GBP
View

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B
1.25ct Heart
HK$5,287 HKD