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Marquise|Lab Grown|IGI

3.10ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG784645689

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784645689

Diamond specifications and retailer prices

From HK$27,742 HKD
$3,536 USD
As of October 30, 2026
Save HK$163,143 HKD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$190,886 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.1ct lab-grown marquise diamond

This 3.1ct 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 LG784645689 or 784645689. Listed at 14 retailers as of October 30, 2026, with prices from HK$27,742 to HK$190,886, a HK$163,143 spread on the same certified stone. Do Amore Diamonds lists it at HK$190,886. 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

3.10
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645689
Dimensions14.43 × 7.52 × 4.89 mm
L/W Ratio1.92
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
14.43 mm7.52 mm3.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645689
Side View
Table 58.0%Crown 35.8°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 65.0%

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$190,886 HKD|Low: HK$27,742 HKD|High: HK$219,758 HKD|Avg: HK$62,997 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
October 31, 2026
Retailer 9HK$27,742 HKD
Retailer 10HK$29,084 HKD
Retailer 7HK$30,339 HKD
Retailer 5HK$30,465 HKD
Retailer 12HK$33,383 HKD
Retailer 6HK$37,534 HKD
Retailer 2HK$43,512 HKD
Retailer 14HK$44,383 HKD
Retailer 4HK$50,362 HKD
Retailer 3HK$57,548 HKD
Retailer 11HK$60,838 HKD
Retailer 8HK$67,002 HKD
Retailer 13HK$76,494 HKD
Do Amore DiamondsHK$190,886 HKD

33 data points across 14 retailers

14 retailersHK$27,742 HKD to HK$190,886 HKD

A
Cheapest Retailer
-
HK$27,742 HKD
$3,536 USD
A
Retailer 2
-
HK$29,084 HKD
$3,707 USD
View
A
Retailer 3
-
HK$30,339 HKD
$3,867 USD
View
A
Retailer 4
-
HK$30,465 HKD
$3,883 USD
View
A
Retailer 5
-
HK$33,383 HKD
$4,255 USD
View
A
Retailer 6
-
HK$37,534 HKD
$4,784 USD
View
Final sale: no returns
A
Retailer 7
-
HK$43,512 HKD
$5,546 USD
View
A
Retailer 8
-
HK$44,383 HKD
$5,657 USD
View
B+
Retailer 9
-
HK$50,362 HKD
$6,419 USD
View
B+
Retailer 10
-
HK$57,548 HKD
$7,335 USD
View
B+
Retailer 11
-
HK$60,838 HKD
€7,385 EUR
View
B+
Retailer 12
-
HK$67,002 HKD
$8,540 USD
View
B+
Retailer 13
-
HK$76,494 HKD
£7,677 GBP
View
Most Expensive
B
Do Amore Diamonds
27-295A4448B · Oct 31
HK$190,886 HKD
$24,330 USD
View
13 more retailers have this diamond
Prices start from HK$27,742 HKDSave up to HK$163,143 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
3.10ct Marquise
HK$27,742 HKD