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Marquise|Lab Grown|IGI

3.78ct D VS2 Marquise Lab Grown Diamond

ID • D/VS2 • IGI LG810649938

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG810649938

Diamond specifications and retailer prices

From HK$6,245 HKD
$796 USD
As of October 30, 2026
Save HK$47,419 HKD (88%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$53,665 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.78ct lab-grown marquise diamond

This 3.78ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG810649938 or 810649938. Listed at 11 retailers as of October 30, 2026, with prices from HK$6,245 to HK$53,665, a HK$47,419 spread on the same certified stone. Do Amore Diamonds lists it at HK$53,665. 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
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG810649938
Dimensions16.53 × 7.95 × 5.07 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.53 mm7.95 mm3.78 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG810649938
Side View
Table 56.0%Crown 35.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
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 30
Current: HK$53,665 HKD|Low: HK$5,994 HKD|High: HK$55,391 HKD|Avg: HK$22,468 HKD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 7HK$6,245 HKD
Retailer 4HK$11,231 HKD
Retailer 8HK$11,674 HKD
Retailer 9HK$11,674 HKD
Retailer 6HK$11,690 HKD
Retailer 5HK$17,221 HKD
Retailer 2HK$30,111 HKD
Retailer 3HK$38,836 HKD
Do Amore DiamondsHK$53,665 HKD

22 data points across 9 retailers

11 retailersHK$6,245 HKD to HK$53,665 HKD

A
Cheapest Retailer
-
HK$6,245 HKD
$796 USD
A
Retailer 2
-
HK$6,794 HKD
$866 USD
View
Retailer 3
-
HK$11,231 HKD
£1,127 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
HK$11,674 HKD
$1,488 USD
View
A
Retailer 5
-
HK$11,674 HKD
$1,488 USD
View
A
Retailer 6
-
HK$11,690 HKD
$1,490 USD
View
B+
Retailer 7
-
HK$17,221 HKD
$2,195 USD
View
B+
Retailer 8
-
HK$22,470 HKD
$2,864 USD
View
B
Retailer 9
-
HK$30,111 HKD
£3,022 GBP
View
B
Retailer 10
-
HK$38,836 HKD
$4,950 USD
View
Most Expensive
B
Do Amore Diamonds
7-1792661 · Oct 31
HK$53,665 HKD
$6,840 USD
View
10 more retailers have this diamond
Prices start from HK$6,245 HKDSave up to HK$47,419 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 Marquise
HK$6,245 HKD