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Heart|Lab Grown|IGI

1.63ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG544282371

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG544282371

Diamond specifications and retailer prices

From £307 GBP
$412 USD
As of November 1, 2026
Save £276 GBP (47%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £584 GBP at Friendly Diamonds · As of October 31, 2026
View at Friendly Diamonds

About this 1.63ct lab-grown heart diamond

This 1.63ct lab-grown heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG544282371 or 544282371. Listed at 3 retailers as of October 31, 2026, with prices from £307 to £584, a £276 spread on the same certified stone. Friendly Diamonds lists it at £584. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.63
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle43.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG544282371
Dimensions8.03 × 7.16 × 4.82 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.03 mm7.16 mm1.63 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG544282371
Side View
Table 59.5%Crown 32.6°Girdle: MED-THKPavilion 43.6°Culet: NoneDepth 60.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: £584 GBP|Low: £145 GBP|High: £1,746 GBP|Avg: £656 GBP|-2.3%
Friendly Diamonds
Retailer 2
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October 16, 2026
Retailer 12£145 GBP
Retailer 10£307 GBP
Retailer 5£334 GBP
Retailer 13£391 GBP
Retailer 2£392 GBP
Retailer 6£431 GBP
Retailer 4£454 GBP
Retailer 8£474 GBP
Retailer 14£481 GBP
Friendly Diamonds£584 GBP
Retailer 15£925 GBP
Retailer 9£933 GBP
Retailer 7£968 GBP
Retailer 16£971 GBP
Retailer 3£993 GBP
Retailer 11£1,746 GBP

4 data points across 16 retailers

3 retailers£307 GBP to £584 GBP

B+
Cheapest Retailer
-
£307 GBP
$412 USD
Retailer 2
-
£392 GBP
$525 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Friendly Diamonds
5158549 · Oct 31
£584 GBP
$782 USD
View
2 more retailers have this diamond
Prices start from £307 GBPSave up to £276 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.

B+
1.63ct Heart
£307 GBP