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Round|Lab Grown|IGI

3.63ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG619432434

Shape and cutting style on the report: Round brilliant

Certificate IGI LG619432434

Diamond specifications and retailer prices

From £341 GBP
$457 USD
As of October 29, 2026
Save £1,090 GBP (76%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,431 GBP at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.63ct lab-grown round diamond

This 3.63ct lab-grown round sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG619432434 or 619432434. Listed at 5 retailers as of October 29, 2026, with prices from £341 to £1,431, a £1,090 spread on the same certified stone. The Diamond Guys lists it at £1,431. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.63
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG619432434
Dimensions9.88 × 9.79 × 6.13 mm
L/W Ratio1.01
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
9.88 mm9.79 mm3.63 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG619432434
Side View
Table 55.0%Crown 34.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.2%

Caratlytics Score

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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: Oct 29
Current: £341 GBP|Low: £341 GBP|High: £3,821 GBP|Avg: £1,165 GBP|-5.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
The Diamond Guys
October 28, 2026
Retailer 1£341 GBP
Retailer 6£485 GBP
Retailer 11£515 GBP
Retailer 8£585 GBP
Retailer 7£634 GBP
Retailer 4£663 GBP
Retailer 9£834 GBP
Retailer 10£933 GBP
Retailer 2£992 GBP
Retailer 5£1,081 GBP
Retailer 13£1,396 GBP
The Diamond Guys£1,431 GBP
Retailer 12£2,590 GBP
Retailer 3£3,821 GBP

12 data points across 14 retailers

5 retailers£341 GBP to £1,431 GBP

A
Cheapest Retailer
-
£341 GBP
$457 USD
Final sale: no returns
B+
Retailer 2
-
£485 GBP
$650 USD
View
Retailer 3
-
£834 GBP
ZAR 18,044 ZAR
View
Price last confirmed 65 days ago
B+
Retailer 4
-
£1,081 GBP
CA$2,012 CAD
View
Most Expensive
B
The Diamond Guys
1954433982 · Oct 30
£1,431 GBP
$1,917 USD
View
4 more retailers have this diamond
Prices start from £341 GBPSave up to £1,090 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.

A
3.63ct Round
£341 GBP