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Marquise|Lab Grown|IGI

3.15ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG784646955

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784646955

Diamond specifications and retailer prices

From HK$28,166 HKD
$3,590 USD
As of October 30, 2026
Save HK$165,623 HKD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$193,789 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.15ct lab-grown marquise diamond

This 3.15ct 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 LG784646955 or 784646955. Listed at 14 retailers as of October 30, 2026, with prices from HK$28,166 to HK$193,789, a HK$165,623 spread on the same certified stone. Do Amore Diamonds lists it at HK$193,789. 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

3.15
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784646955
Dimensions14.39 × 7.60 × 4.91 mm
L/W Ratio1.89
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
14.39 mm7.60 mm3.15 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784646955
Side View
Table 61.0%Crown 35.1°Girdle: Slightly ThickPavilion 41.1°Culet: NoneDepth 64.6%

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$193,789 HKD|Low: HK$28,166 HKD|High: HK$223,132 HKD|Avg: HK$63,890 HKD|-13.2%
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
November 1, 2026
Retailer 11HK$28,166 HKD
Retailer 12HK$29,547 HKD
Retailer 9HK$30,787 HKD
Retailer 4HK$30,936 HKD
Retailer 14HK$33,893 HKD
Retailer 6HK$38,114 HKD
Retailer 8HK$44,179 HKD
Retailer 3HK$45,066 HKD
Retailer 7HK$50,660 HKD
Retailer 5HK$60,059 HKD
Retailer 13HK$61,818 HKD
Retailer 10HK$73,357 HKD
Retailer 2HK$77,241 HKD
Do Amore DiamondsHK$193,789 HKD

34 data points across 14 retailers

14 retailersHK$28,166 HKD to HK$193,789 HKD

A
Cheapest Retailer
-
HK$28,166 HKD
$3,590 USD
A
Retailer 2
-
HK$29,547 HKD
$3,766 USD
View
A
Retailer 3
-
HK$30,787 HKD
$3,924 USD
View
A
Retailer 4
-
HK$30,936 HKD
$3,943 USD
View
A
Retailer 5
-
HK$33,893 HKD
$4,320 USD
View
A
Retailer 6
-
HK$38,114 HKD
$4,858 USD
View
Final sale: no returns
A
Retailer 7
-
HK$44,179 HKD
$5,631 USD
View
A
Retailer 8
-
HK$45,066 HKD
$5,744 USD
View
B+
Retailer 9
-
HK$50,660 HKD
$6,457 USD
View
Retailer 10
-
HK$60,059 HKD
$7,655 USD
View
Price last confirmed 25 days ago
B+
Retailer 11
-
HK$61,818 HKD
€7,504 EUR
View
B+
Retailer 12
-
HK$73,357 HKD
$9,350 USD
View
B+
Retailer 13
-
HK$77,241 HKD
£7,752 GBP
View
Most Expensive
B
Do Amore Diamonds
27-FCE69DD6C · Oct 31
HK$193,789 HKD
$24,700 USD
View
13 more retailers have this diamond
Prices start from HK$28,166 HKDSave up to HK$165,623 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
3.15ct Marquise
HK$28,166 HKD