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Marquise|Lab Grown|IGI

3.03ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG784645688

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784645688

Diamond specifications and retailer prices

From HK$27,146 HKD
$3,460 USD
As of October 30, 2026
Save HK$159,660 HKD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$186,806 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG784645688 or 784645688. Listed at 14 retailers as of October 30, 2026, with prices from HK$27,146 to HK$186,806, a HK$159,660 spread on the same certified stone. Do Amore Diamonds lists it at HK$186,806. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645688
Dimensions15.17 × 7.67 × 4.50 mm
L/W Ratio1.98
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
15.17 mm7.67 mm3.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645688
Side View
Table 57.0%Crown 34.1°Girdle: THK-VTKPavilion 38.6°Culet: NoneDepth 58.7%

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$186,806 HKD|Low: HK$27,146 HKD|High: HK$215,051 HKD|Avg: HK$62,143 HKD|-13.1%
Do Amore Diamonds
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
November 1, 2026
Retailer 12HK$27,146 HKD
Retailer 13HK$28,425 HKD
Retailer 10HK$29,712 HKD
Retailer 5HK$29,814 HKD
Retailer 15HK$32,717 HKD
Retailer 6HK$36,734 HKD
Retailer 3HK$43,442 HKD
Retailer 9HK$43,442 HKD
Retailer 8HK$48,847 HKD
Retailer 4HK$58,294 HKD
Retailer 14HK$59,470 HKD
Retailer 7HK$70,264 HKD
Retailer 11HK$70,533 HKD
Retailer 2HK$74,461 HKD
Do Amore DiamondsHK$186,806 HKD

34 data points across 15 retailers

14 retailersHK$27,146 HKD to HK$186,806 HKD

A
Cheapest Retailer
-
HK$27,146 HKD
$3,460 USD
A
Retailer 2
-
HK$28,425 HKD
$3,623 USD
View
A
Retailer 3
-
HK$29,712 HKD
$3,787 USD
View
A
Retailer 4
-
HK$29,814 HKD
$3,800 USD
View
A
Retailer 5
-
HK$32,717 HKD
$4,170 USD
View
A
Retailer 6
-
HK$36,734 HKD
$4,682 USD
View
Final sale: no returns
A
Retailer 7
-
HK$43,442 HKD
$5,537 USD
View
A
Retailer 8
-
HK$43,442 HKD
$5,537 USD
View
B+
Retailer 9
-
HK$48,847 HKD
$6,226 USD
View
B+
Retailer 10
-
HK$58,294 HKD
$7,430 USD
View
B+
Retailer 11
-
HK$59,470 HKD
€7,219 EUR
View
B+
Retailer 12
-
HK$70,533 HKD
$8,990 USD
View
B+
Retailer 13
-
HK$74,461 HKD
£7,473 GBP
View
Most Expensive
B
Do Amore Diamonds
27-23E3CB5BC · Oct 31
HK$186,806 HKD
$23,810 USD
View
13 more retailers have this diamond
Prices start from HK$27,146 HKDSave up to HK$159,660 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$27,146 HKD