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Marquise|Lab Grown|IGI

3.14ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG784645342

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784645342

Diamond specifications and retailer prices

From HK$28,080 HKD
$3,579 USD
As of October 30, 2026
Save HK$165,081 HKD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$193,161 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG784645342 or 784645342. Listed at 14 retailers as of October 30, 2026, with prices from HK$28,080 to HK$193,161, a HK$165,081 spread on the same certified stone. Do Amore Diamonds lists it at HK$193,161. 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°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645342
Dimensions14.78 × 7.64 × 4.77 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
14.78 mm7.64 mm3.14 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645342
Side View
Table 61.0%Crown 36°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 62.4%

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$193,161 HKD|Low: HK$28,080 HKD|High: HK$222,426 HKD|Avg: HK$63,596 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
November 1, 2026
Retailer 11HK$28,080 HKD
Retailer 12HK$29,453 HKD
Retailer 9HK$30,700 HKD
Retailer 4HK$30,841 HKD
Retailer 14HK$33,776 HKD
Retailer 6HK$38,005 HKD
Retailer 8HK$44,046 HKD
Retailer 3HK$44,924 HKD
Retailer 7HK$50,503 HKD
Retailer 5HK$59,980 HKD
Retailer 13HK$61,620 HKD
Retailer 10HK$73,122 HKD
Retailer 2HK$77,012 HKD
Do Amore DiamondsHK$193,161 HKD

34 data points across 14 retailers

14 retailersHK$28,080 HKD to HK$193,161 HKD

A
Cheapest Retailer
-
HK$28,080 HKD
$3,579 USD
A
Retailer 2
-
HK$29,453 HKD
$3,754 USD
View
A
Retailer 3
-
HK$30,700 HKD
$3,913 USD
View
A
Retailer 4
-
HK$30,841 HKD
$3,931 USD
View
A
Retailer 5
-
HK$33,776 HKD
$4,305 USD
View
A
Retailer 6
-
HK$38,005 HKD
$4,844 USD
View
Final sale: no returns
A
Retailer 7
-
HK$44,046 HKD
$5,614 USD
View
A
Retailer 8
-
HK$44,924 HKD
$5,726 USD
View
A
Retailer 9
-
HK$50,503 HKD
$6,437 USD
View
Retailer 10
-
HK$59,980 HKD
$7,645 USD
View
Price last confirmed 25 days ago
B+
Retailer 11
-
HK$61,620 HKD
€7,480 EUR
View
B+
Retailer 12
-
HK$73,122 HKD
$9,320 USD
View
B+
Retailer 13
-
HK$77,012 HKD
£7,729 GBP
View
Most Expensive
B
Do Amore Diamonds
27-48C2BAA8F · Oct 31
HK$193,161 HKD
$24,620 USD
View
13 more retailers have this diamond
Prices start from HK$28,080 HKDSave up to HK$165,081 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$28,080 HKD