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Marquise|Lab Grown|IGI

3.11ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG780662177

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780662177

Diamond specifications and retailer prices

From HK$27,829 HKD
$3,547 USD
As of October 30, 2026
Save HK$163,606 HKD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$191,435 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.11ct lab-grown marquise diamond

This 3.11ct 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 LG780662177 or 780662177. Listed at 15 retailers as of October 30, 2026, with prices from HK$27,829 to HK$191,435, a HK$163,606 spread on the same certified stone. Do Amore Diamonds lists it at HK$191,435. 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

3.11
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662177
Dimensions14.46 × 7.48 × 4.83 mm
L/W Ratio1.93
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
14.46 mm7.48 mm3.11 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662177
Side View
Table 60.0%Crown 36.4°Girdle: Slightly ThickPavilion 40°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$191,435 HKD|Low: HK$27,829 HKD|High: HK$220,464 HKD|Avg: HK$65,176 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
Retailer 15
November 1, 2026
Retailer 12HK$27,829 HKD
Retailer 13HK$29,178 HKD
Retailer 10HK$30,426 HKD
Retailer 6HK$30,559 HKD
Retailer 15HK$33,501 HKD
Retailer 7HK$37,659 HKD
Retailer 9HK$43,646 HKD
Retailer 4HK$44,524 HKD
Retailer 8HK$50,048 HKD
Retailer 5HK$57,666 HKD
Retailer 14HK$61,027 HKD
Retailer 11HK$67,238 HKD
Retailer 2HK$76,315 HKD
Retailer 3HK$88,432 HKD
Do Amore DiamondsHK$191,435 HKD

35 data points across 15 retailers

15 retailersHK$27,829 HKD to HK$191,435 HKD

A
Cheapest Retailer
-
HK$27,829 HKD
$3,547 USD
A
Retailer 2
-
HK$29,178 HKD
$3,719 USD
View
A
Retailer 3
-
HK$30,426 HKD
$3,878 USD
View
A
Retailer 4
-
HK$30,559 HKD
$3,895 USD
View
A
Retailer 5
-
HK$33,501 HKD
$4,270 USD
View
A
Retailer 6
-
HK$37,659 HKD
$4,800 USD
View
Final sale: no returns
A
Retailer 7
-
HK$43,646 HKD
$5,563 USD
View
A
Retailer 8
-
HK$44,524 HKD
$5,675 USD
View
A
Retailer 9
-
HK$50,048 HKD
$6,379 USD
View
B+
Retailer 10
-
HK$57,666 HKD
$7,350 USD
View
B+
Retailer 11
-
HK$61,027 HKD
€7,408 EUR
View
B+
Retailer 12
-
HK$67,238 HKD
$8,570 USD
View
B+
Retailer 13
-
HK$76,315 HKD
£7,659 GBP
View
B+
Retailer 14
-
HK$88,432 HKD
$11,271 USD
View
Most Expensive
B
Do Amore Diamonds
27-990F06AC4 · Oct 31
HK$191,435 HKD
$24,400 USD
View
14 more retailers have this diamond
Prices start from HK$27,829 HKDSave up to HK$163,606 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
3.11ct Marquise
HK$27,829 HKD