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Marquise|Lab Grown|IGI

3.03ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG754509108

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754509108

Diamond specifications and retailer prices

From HK$27,640 HKD
$3,523 USD
As of October 31, 2026
Save HK$115,009 HKD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$142,649 HKD at Michael Trio · As of October 31, 2026
View at Michael Trio

About this 3.03ct lab-grown marquise diamond

This 3.03ct 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 LG754509108 or 754509108. Listed at 14 retailers as of October 31, 2026, with prices from HK$27,640 to HK$142,649, a HK$115,009 spread on the same certified stone. Michael Trio lists it at HK$142,649. 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

3.03
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754509108
Dimensions14.57 × 7.49 × 4.73 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
14.57 mm7.49 mm3.03 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754509108
Side View
Table 58.0%Crown 37.6°Girdle: MED-THKPavilion 39.3°Culet: NoneDepth 63.2%

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$142,649 HKD|Low: HK$27,640 HKD|High: HK$170,848 HKD|Avg: HK$80,129 HKD|-16.5%
Michael Trio
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
October 31, 2026
Retailer 11HK$27,640 HKD
Retailer 13HK$33,258 HKD
Retailer 4HK$49,309 HKD
Retailer 2HK$50,382 HKD
Retailer 12HK$58,333 HKD
Retailer 3HK$59,823 HKD
Retailer 9HK$63,803 HKD
Retailer 7HK$66,061 HKD
Retailer 10HK$80,988 HKD
Retailer 5HK$89,347 HKD
Retailer 8HK$90,330 HKD
Retailer 14HK$104,599 HKD
Retailer 6HK$138,571 HKD
Michael TrioHK$142,649 HKD

38 data points across 14 retailers

14 retailersHK$27,640 HKD to HK$142,649 HKD

A
Cheapest Retailer
-
HK$27,640 HKD
$3,523 USD
A
Retailer 2
-
HK$33,258 HKD
$4,239 USD
View
B+
Retailer 3
-
HK$49,309 HKD
View
B+
Retailer 4
-
HK$50,382 HKD
£5,056 GBP
View
B+
Retailer 5
-
HK$58,333 HKD
$7,435 USD
View
B+
Retailer 6
-
HK$59,823 HKD
$7,625 USD
View
B+
Retailer 7
-
HK$63,803 HKD
€7,745 EUR
View
B+
Retailer 8
-
HK$66,061 HKD
$8,420 USD
View
B+
Retailer 9
-
HK$80,988 HKD
£8,128 GBP
View
B
Retailer 10
-
HK$89,347 HKD
$11,388 USD
View
B+
Retailer 11
-
HK$90,330 HKD
ZAR 185,999 ZAR
View
Retailer 12
-
HK$104,599 HKD
$13,332 USD
View
Price last confirmed 8 days ago
B
Retailer 13
-
HK$138,571 HKD
$17,662 USD
View
Most Expensive
B
Michael Trio
1761542764 · Oct 31
HK$142,649 HKD
SGD 24,570 SGD
View
13 more retailers have this diamond
Prices start from HK$27,640 HKDSave up to HK$115,009 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
3.03ct Marquise
HK$27,640 HKD