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Round|Lab Grown|IGI

3.78ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG629407428

Shape and cutting style on the report: Round brilliant

Certificate IGI LG629407428

Diamond specifications and retailer prices

From HK$3,374 HKD
$430 USD
As of October 29, 2026
Save HK$11,573 HKD (77%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$14,947 HKD at The Diamond Guys · As of October 28, 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 G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG629407428 or 629407428. Listed at 5 retailers as of October 28, 2026, with prices from HK$3,374 to HK$14,947, a HK$11,573 spread on the same certified stone. The Diamond Guys lists it at HK$14,947. 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
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629407428
Dimensions10.07 × 10.04 × 6.08 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
10.07 mm10.04 mm3.78 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629407428
Side View
Table 59.0%Crown 34.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: HK$3,374 HKD|Low: HK$2,511 HKD|High: HK$48,098 HKD|Avg: HK$13,289 HKD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
The Diamond Guys
October 27, 2026
Retailer 1HK$3,374 HKD
Retailer 15HK$3,853 HKD
Retailer 10HK$3,908 HKD
Retailer 13HK$5,592 HKD
Retailer 14HK$5,987 HKD
Retailer 12HK$6,100 HKD
Retailer 11HK$6,285 HKD
Retailer 17HK$6,552 HKD
Retailer 2HK$9,996 HKD
Retailer 16HK$10,255 HKD
Retailer 7HK$11,302 HKD
Retailer 3HK$12,738 HKD
The Diamond GuysHK$14,947 HKD
Retailer 4HK$15,952 HKD
Retailer 6HK$21,029 HKD
Retailer 9HK$23,539 HKD
Retailer 5HK$26,948 HKD
Retailer 8HK$48,098 HKD

11 data points across 18 retailers

5 retailersHK$3,374 HKD to HK$14,947 HKD

A
Cheapest Retailer
-
HK$3,374 HKD
$430 USD
Final sale: no returns
A
Retailer 2
-
HK$3,853 HKD
$491 USD
View
Price last confirmed 43 days ago
A
Retailer 3
-
HK$5,592 HKD
£561 GBP
View
Price last confirmed 42 days ago
B+
Retailer 4
-
HK$11,302 HKD
CA$2,001 CAD
View
Most Expensive
B+
The Diamond Guys
1954434157 · Oct 28
HK$14,947 HKD
$1,905 USD
View
4 more retailers have this diamond
Prices start from HK$3,374 HKDSave up to HK$11,573 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.

A
3.78ct Round
HK$3,374 HKD