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3.78ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG621406218

Shape and cutting style on the report: Round brilliant

Certificate IGI LG621406218

Diamond specifications and retailer prices

From HK$11,657 HKD
CA$2,064 CAD
As of October 30, 2026
Save HK$3,768 HKD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$15,425 HKD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.78ct lab-grown round diamond

This 3.78ct 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 LG621406218 or 621406218. Listed at 2 retailers as of October 30, 2026, with prices from HK$11,657 to HK$15,425, a HK$3,768 spread on the same certified stone. The Diamond Guys lists it at HK$15,425. 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

3.78
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621406218
Dimensions10.08 × 10.03 × 6.13 mm
L/W Ratio1.00
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
10.08 mm10.03 mm3.78 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621406218
Side View
Table 58.0%Crown 34.3°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$4,849 HKD|Low: HK$2,267 HKD|High: HK$27,695 HKD|Avg: HK$10,547 HKD|-13.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
The Diamond Guys
August 12, 2026
Retailer 12HK$2,464 HKD
Retailer 1HK$4,849 HKD
Retailer 5HK$5,021 HKD
Retailer 4HK$5,882 HKD
Retailer 2HK$6,465 HKD
Retailer 8HK$7,171 HKD
Retailer 10HK$7,783 HKD
Retailer 9HK$9,854 HKD
Retailer 11HK$10,698 HKD
Retailer 3HK$11,657 HKD
Retailer 7HK$14,902 HKD
The Diamond GuysHK$15,425 HKD
Retailer 6HK$27,695 HKD

62 data points across 13 retailers

2 retailersHK$11,657 HKD to HK$15,425 HKD

B+
Cheapest Retailer
-
HK$11,657 HKD
CA$2,064 CAD
Most Expensive
B
The Diamond Guys
1954433964 · Oct 30
HK$15,425 HKD
$1,966 USD
View
1 more retailer has this diamond
Prices start from HK$11,657 HKDSave up to HK$3,768 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+
3.78ct Round
HK$11,657 HKD