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Marquise|Lab Grown|IGI

3.10ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG804659668

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG804659668

Diamond specifications and retailer prices

From HK$36,302 HKD
$4,627 USD
As of October 31, 2026
Save HK$121,742 HKD (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$158,044 HKD at With Clarity · As of October 31, 2026
View at With Clarity

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 LG804659668 or 804659668. Listed at 10 retailers as of October 31, 2026, with prices from HK$36,302 to HK$158,044, a HK$121,742 spread on the same certified stone. With Clarity lists it at HK$158,044. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804659668
Dimensions15.94 × 7.55 × 4.57 mm
L/W Ratio2.11
Girdle conditionFaceted
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
15.94 mm7.55 mm3.10 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804659668
Side View
Table 61.0%Crown 33.3°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 60.5%

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$82,333 HKD|Low: HK$36,302 HKD|High: HK$185,857 HKD|Avg: HK$88,373 HKD|-14.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
With Clarity
November 1, 2026
Retailer 7HK$36,302 HKD
Retailer 9HK$49,811 HKD
Retailer 3HK$51,542 HKD
Retailer 8HK$61,196 HKD
Retailer 5HK$65,278 HKD
Retailer 4HK$72,180 HKD
Retailer 2HK$80,973 HKD
Retailer 1HK$82,333 HKD
Retailer 6HK$107,015 HKD
Retailer 10HK$141,782 HKD
With ClarityHK$158,044 HKD

36 data points across 11 retailers

10 retailersHK$36,302 HKD to HK$158,044 HKD

A
Cheapest Retailer
-
HK$36,302 HKD
$4,627 USD
B+
Retailer 2
-
HK$49,811 HKD
View
B+
Retailer 3
-
HK$51,542 HKD
£5,173 GBP
View
B+
Retailer 4
-
HK$61,196 HKD
$7,800 USD
View
B+
Retailer 5
-
HK$65,278 HKD
€7,924 EUR
View
B+
Retailer 6
-
HK$72,180 HKD
$9,200 USD
View
B+
Retailer 7
-
HK$82,333 HKD
£8,263 GBP
View
Retailer 8
-
HK$107,015 HKD
$13,640 USD
View
Price last confirmed 8 days ago
B
Retailer 9
-
HK$141,782 HKD
$18,071 USD
View
Most Expensive
B
With Clarity
804659668 · Oct 31
HK$158,044 HKD
$20,144 USD
View
9 more retailers have this diamond
Prices start from HK$36,302 HKDSave up to HK$121,742 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$36,302 HKD