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Heart|Lab Grown|IGI

1.63ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG522254359

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG522254359

Diamond specifications and retailer prices

From £881 GBP
$1,180 USD
As of October 31, 2026
Save £1,246 GBP (59%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,129 GBP at Loose Grown Diamond · As of November 1, 2026
View at Loose Grown Diamond

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 LG522254359 or 522254359. Listed at 16 retailers as of October 31, 2026, with a 142% 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

1.63
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle43.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522254359
Dimensions6.99 × 8.18 × 4.90 mm
L/W Ratio1.17
Girdle conditionFaceted
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
6.99 mm8.18 mm1.63 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522254359
Side View
Table 56.5%Crown 34.3°Girdle: STK-THKPavilion 43.9°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £3,129 GBP|Low: £881 GBP|High: £5,505 GBP|Avg: £3,027 GBP|+0.6%
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 8£881 GBP
Retailer 11£1,729 GBP
Retailer 4£1,881 GBP
Retailer 5£1,935 GBP
Retailer 12£2,005 GBP
Retailer 3£2,756 GBP
Retailer 7£2,761 GBP
Retailer 10£3,073 GBP
Loose Grown Diamond£3,129 GBP
Retailer 9£3,686 GBP
Retailer 6£4,992 GBP
Retailer 13£5,353 GBP
Retailer 2£5,440 GBP

44 data points across 13 retailers

16 retailers£881 GBP to £2,127 GBP

B+
Cheapest Retailer
-
£881 GBP
$1,180 USD
B
Retailer 2
-
£1,729 GBP
$2,316 USD
View
B
Retailer 3
-
£1,881 GBP
$2,520 USD
View
B
Retailer 4
-
£1,935 GBP
$2,593 USD
View
Final sale: no returns
B
Retailer 5
-
£2,005 GBP
$2,686 USD
View
Retailer 6
-
£2,005 GBP
$2,686 USD
View
Price last confirmed 21 days ago
B
Retailer 7
-
£2,127 GBP
$2,850 USD
View
Retailer 8
-
£2,756 GBP
$3,693 USD
View
Price under review
Retailer 9
-
£2,761 GBP
View
Price under review
Retailer 10
-
£3,073 GBP
$4,117 USD
View
Price under review
Most Expensive
Loose Grown Diamond
522254359 · Nov 1
£3,129 GBP
$4,193 USD
View
Price under review
10 more retailers have this diamond
Prices start from £881 GBPSave up to £1,246 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
£881 GBP