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Marquise|Lab Grown|IGI

3.90ct D VS2 Marquise Lab Grown Diamond

ID • D/VS2 • IGI LG800657686

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800657686

Diamond specifications and retailer prices

From HK$9,274 HKD
$1,182 USD
As of October 30, 2026
Save HK$26,534 HKD (74%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$35,807 HKD at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 3.9ct lab-grown marquise diamond

This 3.9ct 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 LG800657686 or 800657686. Listed at 9 retailers as of October 30, 2026, with prices from HK$9,274 to HK$35,807, a HK$26,534 spread on the same certified stone. Frank Darling lists it at HK$35,807. 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

3.90
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800657686
Dimensions15.66 × 8.33 × 5.21 mm
L/W Ratio1.88
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.66 mm8.33 mm3.90 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800657686
Side View
Table 63.0%Crown 36.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.5%

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$35,807 HKD|Low: HK$9,274 HKD|High: HK$37,924 HKD|Avg: HK$20,421 HKD|-5.6%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 7HK$9,274 HKD
Retailer 3HK$11,549 HKD
Retailer 8HK$11,566 HKD
Retailer 6HK$11,902 HKD
Retailer 4HK$13,774 HKD
Retailer 9HK$22,080 HKD
Retailer 2HK$27,039 HKD
Retailer 5HK$30,829 HKD
Frank DarlingHK$35,807 HKD

27 data points across 9 retailers

9 retailersHK$9,274 HKD to HK$35,807 HKD

A
Cheapest Retailer
-
HK$9,274 HKD
$1,182 USD
A
Retailer 2
-
HK$11,549 HKD
$1,472 USD
View
Retailer 3
-
HK$11,566 HKD
$1,474 USD
View
Price last confirmed 11 days ago
A
Retailer 4
-
HK$11,902 HKD
$1,517 USD
View
A
Retailer 5
-
HK$13,774 HKD
€1,672 EUR
View
Retailer 6
-
HK$22,080 HKD
$2,814 USD
View
Price last confirmed 11 days ago
B
Retailer 7
-
HK$27,039 HKD
A$5,302 AUD
View
B
Retailer 8
-
HK$30,829 HKD
£3,094 GBP
View
Most Expensive
B
Frank Darling
100756109481BD · Oct 31
HK$35,807 HKD
$4,564 USD
View
8 more retailers have this diamond
Prices start from HK$9,274 HKDSave up to HK$26,534 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
3.90ct Marquise
HK$9,274 HKD