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Marquise|Lab Grown|IGI

3.09ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG754594706

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754594706

Diamond specifications and retailer prices

From HK$36,192 HKD
$4,613 USD
As of October 31, 2026
Save HK$121,342 HKD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$157,534 HKD at With Clarity · As of October 31, 2026
View at With Clarity

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754594706 or 754594706. Listed at 14 retailers as of October 31, 2026, with prices from HK$36,192 to HK$157,534, a HK$121,342 spread on the same certified stone. With Clarity lists it at HK$157,534. 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
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594706
Dimensions14.73 × 7.56 × 4.77 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
14.73 mm7.56 mm3.09 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594706
Side View
Table 63.0%Crown 35.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.1%

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 31
Current: HK$51,376 HKD|Low: HK$36,192 HKD|High: HK$185,253 HKD|Avg: HK$84,341 HKD|-14.6%
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
With Clarity
October 31, 2026
Retailer 13HK$36,192 HKD
Retailer 11HK$37,079 HKD
Retailer 3HK$49,710 HKD
Retailer 1HK$51,376 HKD
Retailer 10HK$60,333 HKD
Retailer 2HK$61,000 HKD
Retailer 8HK$65,064 HKD
Retailer 6HK$71,867 HKD
Retailer 4HK$74,134 HKD
Retailer 9HK$82,512 HKD
Retailer 7HK$92,031 HKD
Retailer 12HK$106,670 HKD
Retailer 5HK$141,323 HKD
With ClarityHK$157,534 HKD

38 data points across 14 retailers

14 retailersHK$36,192 HKD to HK$157,534 HKD

A
Cheapest Retailer
-
HK$36,192 HKD
$4,613 USD
A
Retailer 2
-
HK$37,079 HKD
$4,726 USD
View
B+
Retailer 3
-
HK$49,710 HKD
View
B+
Retailer 4
-
HK$51,376 HKD
£5,156 GBP
View
B+
Retailer 5
-
HK$60,333 HKD
$7,690 USD
View
B+
Retailer 6
-
HK$61,000 HKD
$7,775 USD
View
B+
Retailer 7
-
HK$65,064 HKD
€7,898 EUR
View
B+
Retailer 8
-
HK$71,867 HKD
$9,160 USD
View
B+
Retailer 9
-
HK$74,134 HKD
$9,449 USD
View
B+
Retailer 10
-
HK$82,512 HKD
£8,281 GBP
View
B+
Retailer 11
-
HK$92,031 HKD
ZAR 189,502 ZAR
View
Retailer 12
-
HK$106,670 HKD
$13,596 USD
View
Price last confirmed 7 days ago
B
Retailer 13
-
HK$141,323 HKD
$18,013 USD
View
Most Expensive
B
With Clarity
754594706 · Oct 31
HK$157,534 HKD
$20,079 USD
View
13 more retailers have this diamond
Prices start from HK$36,192 HKDSave up to HK$121,342 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$36,192 HKD