Marquise|Lab Grown|IGI

1.75ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG781609429

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG781609429

Diamond specifications and retailer prices

From HK$16,327 HKD
$2,081 USD
As of November 1, 2026
Save HK$37,026 HKD (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$53,353 HKD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 1.75ct lab-grown marquise diamond

This 1.75ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG781609429 or 781609429. Listed at 10 retailers as of October 31, 2026, with prices from HK$16,327 to HK$53,353, a HK$37,026 spread on the same certified stone. Taylor and Hart lists it at HK$53,353. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.75
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781609429
Dimensions12.18 × 6.36 × 4.03 mm
L/W Ratio1.92
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
12.18 mm6.36 mm1.75 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781609429
Side View
Table 59.0%Crown 33.2°Girdle: MED-STKPavilion 42.1°Culet: NoneDepth 63.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$43,413 HKD|Low: HK$15,582 HKD|High: HK$50,789 HKD|Avg: HK$32,390 HKD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 9HK$16,327 HKD
Retailer 2HK$21,547 HKD
Retailer 4HK$21,733 HKD
Retailer 7HK$23,882 HKD
Retailer 3HK$28,627 HKD
Retailer 6HK$39,103 HKD
Retailer 1HK$43,413 HKD
Retailer 5HK$44,564 HKD
Retailer 8HK$50,789 HKD

42 data points across 9 retailers

10 retailersHK$16,327 HKD to HK$53,353 HKD

A
Cheapest Retailer
-
HK$16,327 HKD
$2,081 USD
B+
Retailer 2
-
HK$21,547 HKD
£2,162 GBP
View
B+
Retailer 3
-
HK$21,733 HKD
$2,770 USD
View
B+
Retailer 4
-
HK$23,882 HKD
$3,044 USD
View
B+
Retailer 5
-
HK$28,627 HKD
€3,475 EUR
View
B
Retailer 6
-
HK$39,103 HKD
$4,984 USD
View
B
Retailer 7
-
HK$43,413 HKD
£4,357 GBP
View
B
Retailer 8
-
HK$44,564 HKD
$5,680 USD
View
B
Retailer 9
-
HK$50,789 HKD
SGD 8,748 SGD
View
Most Expensive
B
Taylor and Hart
BF3QSAT · Oct 31
HK$53,353 HKD
$6,800 USD
View
9 more retailers have this diamond
Prices start from HK$16,327 HKDSave up to HK$37,026 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
1.75ct Marquise
HK$16,327 HKD