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Marquise|Lab Grown|IGI

3.80ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG843664686

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843664686

Diamond specifications and retailer prices

From HK$4,049 HKD
$516 USD
As of October 30, 2026
Save HK$24,511 HKD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$28,560 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.8ct lab-grown marquise diamond

This 3.8ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843664686 or 843664686. Listed at 12 retailers as of October 30, 2026, with prices from HK$4,049 to HK$28,560, a HK$24,511 spread on the same certified stone. Brilliant Earth lists it at HK$28,560. 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

3.80
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843664686
Dimensions16.19 × 8.38 × 5.07 mm
L/W Ratio1.93
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.19 mm8.38 mm3.80 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843664686
Side View
Table 62.0%Crown 34.9°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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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$28,560 HKD|Low: HK$4,049 HKD|High: HK$28,560 HKD|Avg: HK$14,394 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 9HK$4,049 HKD
Retailer 6HK$4,535 HKD
Retailer 5HK$7,546 HKD
Retailer 11HK$8,058 HKD
Retailer 8HK$12,962 HKD
Retailer 7HK$12,985 HKD
Retailer 10HK$13,205 HKD
Retailer 4HK$14,908 HKD
Retailer 12HK$17,332 HKD
Retailer 2HK$21,075 HKD
Retailer 3HK$22,605 HKD
Brilliant EarthHK$28,560 HKD

9 data points across 12 retailers

12 retailersHK$4,049 HKD to HK$28,560 HKD

A
Cheapest Retailer
-
HK$4,049 HKD
$516 USD
A
Retailer 2
-
HK$4,535 HKD
$578 USD
View
Retailer 3
-
HK$7,546 HKD
€916 EUR
View
Price last confirmed 8 days ago
A
Retailer 4
-
HK$8,058 HKD
$1,027 USD
View
A
Retailer 5
-
HK$12,962 HKD
$1,652 USD
View
B+
Retailer 6
-
HK$12,985 HKD
$1,655 USD
View
A
Retailer 7
-
HK$13,205 HKD
$1,683 USD
View
B+
Retailer 8
-
HK$14,908 HKD
$1,900 USD
View
B+
Retailer 9
-
HK$17,332 HKD
$2,209 USD
View
B+
Retailer 10
-
HK$21,075 HKD
£2,115 GBP
View
B
Retailer 11
-
HK$22,605 HKD
$2,881 USD
View
Most Expensive
B
Brilliant Earth
21823638A · Oct 30
HK$28,560 HKD
$3,640 USD
View
11 more retailers have this diamond
Prices start from HK$4,049 HKDSave up to HK$24,511 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
3.80ct Marquise
HK$4,049 HKD