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4.20ct I VVS2 Round Lab Grown Diamond

ID • I/VVS2 • IGI LG618401199

Shape and cutting style on the report: Round brilliant

Certificate IGI LG618401199

Diamond specifications and retailer prices

From HK$29,641 HKD
CA$5,247 CAD
As of October 30, 2026
3 retailers carry this diamond
Most expensive: HK$37,738 HKD at Loose Grown Diamond · As of October 14, 2026
View at Loose Grown Diamond

About this 4.2ct lab-grown round diamond

This 4.2ct lab-grown round sits in the three to five carat band, graded I colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG618401199 or 618401199. Listed at 3 retailers as of October 30, 2026. 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

4.20
Carat
I
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618401199
Dimensions10.44 × 10.44 × 6.31 mm
L/W Ratio1.00
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
10.44 mm10.44 mm4.20 ctI / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618401199
Side View
Table 60.0%Crown 33.9°Girdle: MediumPavilion 41°Culet: NoneDepth 60.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: HK$37,738 HKD|Low: HK$10,984 HKD|High: HK$144,518 HKD|Avg: HK$55,720 HKD
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 4HK$10,984 HKD
Retailer 2HK$29,641 HKD
Loose Grown DiamondHK$37,738 HKD
Retailer 3HK$144,518 HKD

3 data points across 4 retailers

3 retailers

B
Cheapest Retailer
-
HK$29,641 HKD
CA$5,247 CAD
Most Expensive
Loose Grown Diamond
618401199 · Oct 14
HK$37,738 HKD
$4,810 USD
View
Price last confirmed 16 days ago
1 more retailer has this diamond
Prices start from HK$29,641 HKD

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
4.20ct Round
HK$29,641 HKD