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Marquise|Lab Grown|IGI

3.14ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG846663544

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846663544

Diamond specifications and retailer prices

From HK$29,531 HKD
$3,764 USD
As of October 30, 2026
Save HK$113,261 HKD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$142,792 HKD at With Clarity · As of October 31, 2026
View at With Clarity

About this 3.14ct lab-grown marquise diamond

This 3.14ct 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 LG846663544 or 846663544. Listed at 15 retailers as of October 30, 2026, with prices from HK$29,531 to HK$142,792, a HK$113,261 spread on the same certified stone. With Clarity lists it at HK$142,792. 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

3.14
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663544
Dimensions14.65 × 7.62 × 4.81 mm
L/W Ratio1.92
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
14.65 mm7.62 mm3.14 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663544
Side View
Table 60.0%Crown 36.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.1%

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$40,756 HKD|Low: HK$29,531 HKD|High: HK$159,927 HKD|Avg: HK$60,833 HKD|-5.7%
Retailer 1
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
With Clarity
November 1, 2026
Retailer 14HK$29,531 HKD
Retailer 12HK$31,720 HKD
Retailer 3HK$32,371 HKD
Retailer 11HK$36,592 HKD
Retailer 9HK$38,679 HKD
Retailer 1HK$40,756 HKD
Retailer 7HK$42,798 HKD
Retailer 10HK$45,427 HKD
Retailer 5HK$56,207 HKD
Retailer 4HK$63,079 HKD
Retailer 13HK$68,540 HKD
Retailer 6HK$69,076 HKD
Retailer 2HK$77,162 HKD
Retailer 8HK$78,222 HKD
With ClarityHK$142,792 HKD

9 data points across 15 retailers

15 retailersHK$29,531 HKD to HK$142,792 HKD

A
Cheapest Retailer
-
HK$29,531 HKD
$3,764 USD
A
Retailer 2
-
HK$31,720 HKD
$4,043 USD
View
A
Retailer 3
-
HK$32,371 HKD
$4,126 USD
View
A
Retailer 4
-
HK$36,592 HKD
$4,664 USD
View
A
Retailer 5
-
HK$38,679 HKD
$4,930 USD
View
A
Retailer 6
-
HK$40,756 HKD
£4,090 GBP
View
A
Retailer 7
-
HK$42,798 HKD
$5,455 USD
View
A
Retailer 8
-
HK$45,427 HKD
$5,790 USD
View
B+
Retailer 9
-
HK$56,207 HKD
$7,164 USD
View
B+
Retailer 10
-
HK$63,079 HKD
$8,040 USD
View
B+
Retailer 11
-
HK$68,540 HKD
$8,736 USD
View
B+
Retailer 12
-
HK$69,076 HKD
€8,385 EUR
View
B+
Retailer 13
-
HK$77,162 HKD
£7,744 GBP
View
B+
Retailer 14
-
HK$78,222 HKD
$9,970 USD
View
Most Expensive
B
With Clarity
846663544 · Oct 31
HK$142,792 HKD
$18,200 USD
View
14 more retailers have this diamond
Prices start from HK$29,531 HKDSave up to HK$113,261 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
3.14ct Marquise
HK$29,531 HKD