CaratHunter
Plans
Marquise|Lab Grown|IGI

3.10ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG839686812

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839686812

Diamond specifications and retailer prices

From HK$4,237 HKD
As of November 4, 2026
Save HK$16,837 HKD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$22,086 HKD at Rare Carat · As of September 30, 2026
View at Rare Carat

About this 3.1ct lab-grown marquise diamond

This 3.1ct 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 LG839686812 or 839686812. Listed at 10 retailers as of November 4, 2026, with a 397% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.10
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839686812
Dimensions14.67 × 7.70 × 4.82 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.67 mm7.70 mm3.10 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839686812
Side View
Table 61.0%Crown 35.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.6%

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: Nov 4
Current: HK$22,086 HKD|Low: HK$4,237 HKD|High: HK$22,086 HKD|Avg: HK$12,514 HKD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 6HK$4,237 HKD
Retailer 4HK$5,594 HKD
Retailer 2HK$5,806 HKD
Retailer 9HK$7,069 HKD
Retailer 3HK$7,626 HKD
Retailer 7HK$11,180 HKD
Retailer 5HK$12,600 HKD
Retailer 10HK$16,155 HKD
Retailer 8HK$17,151 HKD
Retailer 11HK$21,074 HKD
Rare CaratHK$22,086 HKD

18 data points across 11 retailers

10 retailersHK$4,237 HKD to HK$21,074 HKD

A
Cheapest Retailer
-
HK$4,237 HKD
A
Retailer 2
-
HK$5,594 HKD
View
A
Retailer 3
-
HK$5,806 HKD
View
Retailer 4
-
HK$7,069 HKD
View
Price last confirmed 11 days ago
B+
Retailer 5
-
HK$11,180 HKD
View
B+
Retailer 6
-
HK$12,600 HKD
View
B+
Retailer 7
-
HK$16,155 HKD
View
B+
Retailer 8
-
HK$17,151 HKD
View
B
Retailer 9
-
HK$21,074 HKD
View
Most Expensive
Rare Carat
839686812 · Sep 30
HK$22,086 HKD
$2,815 USD
View
Price last confirmed 35 days ago
9 more retailers have this diamond
Prices start from HK$4,237 HKDSave up to HK$16,837 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
3.10ct Marquise
HK$4,237 HKD