CaratHunter
Plans
Marquise|Lab Grown|IGI

3.09ct F IF Marquise Lab Grown Diamond

EX • F/IF • IGI LG851646712

Certificate IGI LG851646712

Diamond specifications and retailer prices

From HK$21,631 HKD
As of November 6, 2026
Save HK$64,792 HKD (75%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$86,423 HKD at Yadav Diamonds · As of November 6, 2026
View at Yadav Diamonds

About this 3.09ct lab-grown marquise diamond

This 3.09ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG851646712 or 851646712. Listed at 8 retailers as of November 6, 2026, with prices from HK$21,631 to HK$86,423, a HK$64,792 spread on the same certified stone. Yadav Diamonds lists it at HK$86,423. 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

3.09
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG851646712
Dimensions15.34 × 7.65 × 4.58 mm
L/W Ratio2.01
Top View
15.34 mm7.65 mm3.09 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851646712
Side View
Table 61.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 59.9%

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 6
Current: HK$35,159 HKD|Low: HK$21,631 HKD|High: HK$86,423 HKD|Avg: HK$46,433 HKD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Yadav Diamonds
November 7, 2026
Retailer 4HK$21,631 HKD
Retailer 7HK$23,395 HKD
Retailer 2HK$25,910 HKD
Retailer 6HK$33,293 HKD
Retailer 1HK$35,159 HKD
Retailer 5HK$69,243 HKD
Retailer 3HK$70,772 HKD
Yadav DiamondsHK$86,423 HKD

2 data points across 8 retailers

8 retailersHK$21,631 HKD to HK$86,423 HKD

A
Cheapest Retailer
-
HK$21,631 HKD
A
Retailer 2
-
HK$23,395 HKD
View
B+
Retailer 3
-
HK$25,910 HKD
View
B+
Retailer 4
-
HK$33,293 HKD
View
B+
Retailer 5
-
HK$35,159 HKD
View
B
Retailer 6
-
HK$69,243 HKD
View
B
Retailer 7
-
HK$70,772 HKD
View
Most Expensive
B
Yadav Diamonds
13392128 · Nov 6
HK$86,423 HKD
$11,027 USD
View
7 more retailers have this diamond
Prices start from HK$21,631 HKDSave up to HK$64,792 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
3.09ct Marquise
HK$21,631 HKD