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Marquise|Lab Grown|IGI

3.14ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754594327

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754594327

Diamond specifications and retailer prices

From HK$26,369 HKD
$3,361 USD
As of October 30, 2026
Save HK$155,023 HKD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$181,393 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754594327 or 754594327. Listed at 18 retailers as of October 30, 2026, with prices from HK$26,369 to HK$181,393, a HK$155,023 spread on the same certified stone. Do Amore Diamonds lists it at HK$181,393. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594327
Dimensions14.33 × 7.54 × 4.89 mm
L/W Ratio1.90
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
14.33 mm7.54 mm3.14 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594327
Side View
Table 61.0%Crown 37.1°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 64.9%

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$181,393 HKD|Low: HK$26,369 HKD|High: HK$191,357 HKD|Avg: HK$63,960 HKD|-5.2%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 3HK$26,369 HKD
Retailer 4HK$27,225 HKD
Retailer 2HK$28,684 HKD
Retailer 18HK$28,951 HKD
Retailer 5HK$31,814 HKD
Retailer 11HK$37,110 HKD
Retailer 15HK$40,170 HKD
Retailer 7HK$42,186 HKD
Retailer 17HK$42,186 HKD
Retailer 13HK$47,451 HKD
Retailer 8HK$56,293 HKD
Retailer 9HK$57,625 HKD
Retailer 12HK$72,309 HKD
Retailer 19HK$76,888 HKD
Retailer 14HK$77,108 HKD
Retailer 10HK$81,352 HKD
Retailer 6HK$83,783 HKD
Retailer 16HK$129,079 HKD
Do Amore DiamondsHK$181,393 HKD

32 data points across 19 retailers

18 retailersHK$26,369 HKD to HK$181,393 HKD

A
Cheapest Retailer
-
HK$26,369 HKD
$3,361 USD
A
Retailer 2
-
HK$27,225 HKD
$3,470 USD
View
A
Retailer 3
-
HK$28,684 HKD
$3,656 USD
View
A
Retailer 4
-
HK$28,951 HKD
$3,690 USD
View
A
Retailer 5
-
HK$31,814 HKD
$4,055 USD
View
Retailer 6
-
HK$37,110 HKD
$4,730 USD
View
Price last confirmed 9 days ago
A
Retailer 7
-
HK$40,170 HKD
£4,032 GBP
View
A
Retailer 8
-
HK$42,186 HKD
$5,377 USD
View
A
Retailer 9
-
HK$42,186 HKD
$5,377 USD
View
B+
Retailer 10
-
HK$47,451 HKD
$6,048 USD
View
B+
Retailer 11
-
HK$56,293 HKD
$7,175 USD
View
B+
Retailer 12
-
HK$57,625 HKD
€6,995 EUR
View
B+
Retailer 13
-
HK$72,309 HKD
£7,257 GBP
View
B+
Retailer 14
-
HK$76,888 HKD
$9,800 USD
View
B+
Retailer 15
-
HK$77,108 HKD
A$15,120 AUD
View
B+
Retailer 16
-
HK$83,783 HKD
$10,679 USD
View
B
Retailer 17
-
HK$129,079 HKD
A$25,311 AUD
View
Most Expensive
B
Do Amore Diamonds
27-31E039256 · Oct 31
HK$181,393 HKD
$23,120 USD
View
17 more retailers have this diamond
Prices start from HK$26,369 HKDSave up to HK$155,023 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$26,369 HKD