CaratHunter
Plans
Marquise|Lab Grown|IGI

3.09ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG846641022

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846641022

Diamond specifications and retailer prices

From HK$21,270 HKD
$2,711 USD
As of October 30, 2026
Save HK$64,758 HKD (75%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$86,028 HKD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.09ct lab-grown marquise diamond

This 3.09ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846641022 or 846641022. Listed at 20 retailers as of October 30, 2026, with prices from HK$21,270 to HK$86,028, a HK$64,758 spread on the same certified stone. Taylor and Hart lists it at HK$86,028. 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
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846641022
Dimensions14.88 × 7.71 × 4.77 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
14.88 mm7.71 mm3.09 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846641022
Side View
Table 57.0%Crown 35.7°Girdle: MediumPavilion 39.7°Culet: NoneDepth 61.9%

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: Oct 30
Current: HK$66,072 HKD|Low: HK$21,270 HKD|High: HK$86,028 HKD|Avg: HK$41,154 HKD|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Taylor and Hart
November 1, 2026
Retailer 5HK$21,270 HKD
Retailer 18HK$23,145 HKD
Retailer 8HK$23,827 HKD
Retailer 3HK$24,675 HKD
Retailer 7HK$25,365 HKD
Retailer 17HK$25,930 HKD
Retailer 19HK$27,531 HKD
Retailer 4HK$29,515 HKD
Retailer 14HK$32,968 HKD
Retailer 13HK$33,334 HKD
Retailer 6HK$33,917 HKD
Retailer 9HK$38,405 HKD
Retailer 16HK$40,959 HKD
Retailer 11HK$42,566 HKD
Retailer 12HK$55,719 HKD
Retailer 15HK$57,303 HKD
Retailer 10HK$61,989 HKD
Retailer 1HK$66,072 HKD
Retailer 2HK$72,242 HKD
Taylor and HartHK$86,028 HKD

17 data points across 20 retailers

20 retailersHK$21,270 HKD to HK$86,028 HKD

A
Cheapest Retailer
-
HK$21,270 HKD
$2,711 USD
A
Retailer 2
-
HK$23,145 HKD
$2,950 USD
View
A
Retailer 3
-
HK$23,827 HKD
$3,037 USD
View
Final sale: no returns
A
Retailer 4
-
HK$24,675 HKD
$3,145 USD
View
A
Retailer 5
-
HK$25,365 HKD
$3,233 USD
View
A
Retailer 6
-
HK$25,930 HKD
$3,305 USD
View
A
Retailer 7
-
HK$27,531 HKD
$3,509 USD
View
Retailer 8
-
HK$29,515 HKD
£2,962 GBP
View
Price last confirmed 15 days ago
A
Retailer 9
-
HK$32,968 HKD
$4,202 USD
View
A
Retailer 10
-
HK$33,334 HKD
£3,345 GBP
View
A
Retailer 11
-
HK$33,917 HKD
$4,323 USD
View
A
Retailer 12
-
HK$38,405 HKD
$4,895 USD
View
A
Retailer 13
-
HK$40,959 HKD
€4,972 EUR
View
A
Retailer 14
-
HK$42,566 HKD
£4,272 GBP
View
B+
Retailer 15
-
HK$55,719 HKD
A$10,926 AUD
View
B+
Retailer 16
-
HK$57,303 HKD
ZAR 117,993 ZAR
View
B+
Retailer 17
-
HK$61,989 HKD
$7,901 USD
View
B+
Retailer 18
-
HK$66,072 HKD
£6,631 GBP
View
B+
Retailer 19
-
HK$72,242 HKD
$9,208 USD
View
Most Expensive
B
Taylor and Hart
LF2D4NF · Oct 31
HK$86,028 HKD
$10,965 USD
View
19 more retailers have this diamond
Prices start from HK$21,270 HKDSave up to HK$64,758 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$21,270 HKD