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Marquise|Lab Grown|IGI

3.10ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG846662786

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846662786

Diamond specifications and retailer prices

From HK$31,800 HKD
$4,053 USD
As of November 1, 2026
Save HK$109,178 HKD (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$140,979 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 LG846662786 or 846662786. Listed at 12 retailers as of October 31, 2026, with prices from HK$31,800 to HK$140,979, a HK$109,178 spread on the same certified stone. With Clarity lists it at HK$140,979. 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 angle35.4°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846662786
Dimensions14.46 × 7.57 × 4.74 mm
L/W Ratio1.91
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
14.46 mm7.57 mm3.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846662786
Side View
Table 60.0%Crown 35.4°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 62.6%

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: Nov 1
Current: HK$72,492 HKD|Low: HK$31,800 HKD|High: HK$157,895 HKD|Avg: HK$63,878 HKD|-10.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
With Clarity
November 1, 2026
Retailer 10HK$31,800 HKD
Retailer 7HK$35,033 HKD
Retailer 9HK$36,131 HKD
Retailer 5HK$40,268 HKD
Retailer 8HK$45,766 HKD
Retailer 4HK$52,459 HKD
Retailer 2HK$62,651 HKD
Retailer 11HK$67,665 HKD
Retailer 3HK$68,123 HKD
Retailer 1HK$72,492 HKD
Retailer 6HK$77,206 HKD
With ClarityHK$140,979 HKD

15 data points across 12 retailers

12 retailersHK$31,800 HKD to HK$140,979 HKD

A
Cheapest Retailer
-
HK$31,800 HKD
$4,053 USD
A
Retailer 2
-
HK$35,033 HKD
$4,465 USD
View
A
Retailer 3
-
HK$36,131 HKD
$4,605 USD
View
A
Retailer 4
-
HK$40,268 HKD
£4,041 GBP
View
A
Retailer 5
-
HK$45,766 HKD
$5,833 USD
View
B+
Retailer 6
-
HK$52,459 HKD
$6,686 USD
View
B+
Retailer 7
-
HK$62,651 HKD
$7,985 USD
View
B+
Retailer 8
-
HK$67,665 HKD
$8,624 USD
View
B+
Retailer 9
-
HK$68,123 HKD
€8,269 EUR
View
B+
Retailer 10
-
HK$72,492 HKD
£7,275 GBP
View
B+
Retailer 11
-
HK$77,206 HKD
$9,840 USD
View
Most Expensive
B
With Clarity
846662786 · Oct 31
HK$140,979 HKD
$17,968 USD
View
11 more retailers have this diamond
Prices start from HK$31,800 HKDSave up to HK$109,178 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$31,800 HKD