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Marquise|Lab Grown|IGI

1.75ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG846664348

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846664348

Diamond specifications and retailer prices

From HK$5,484 HKD
$699 USD
As of November 1, 2026
Save HK$25,742 HKD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$31,226 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG846664348 or 846664348. Listed at 10 retailers as of October 31, 2026, with prices from HK$5,484 to HK$31,226, a HK$25,742 spread on the same certified stone. Brilliant Earth lists it at HK$31,226. 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 angle36.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846664348
Dimensions12.00 × 6.31 × 4.05 mm
L/W Ratio1.90
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
12.00 mm6.31 mm1.75 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846664348
Side View
Table 61.0%Crown 36.8°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 64.2%

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$31,226 HKD|Low: HK$5,484 HKD|High: HK$34,796 HKD|Avg: HK$17,401 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 3HK$5,484 HKD
Retailer 2HK$6,418 HKD
Retailer 6HK$7,061 HKD
Retailer 9HK$9,289 HKD
Retailer 7HK$11,557 HKD
Retailer 5HK$20,399 HKD
Retailer 8HK$21,897 HKD
Retailer 4HK$23,924 HKD
Retailer 10HK$24,086 HKD
Brilliant EarthHK$31,226 HKD

8 data points across 10 retailers

10 retailersHK$5,484 HKD to HK$31,226 HKD

A
Cheapest Retailer
-
HK$5,484 HKD
$699 USD
A
Retailer 2
-
HK$6,418 HKD
£644 GBP
View
A
Retailer 3
-
HK$7,061 HKD
$900 USD
View
A
Retailer 4
-
HK$9,289 HKD
$1,184 USD
View
A
Retailer 5
-
HK$11,557 HKD
$1,473 USD
View
B+
Retailer 6
-
HK$20,399 HKD
$2,600 USD
View
B+
Retailer 7
-
HK$21,897 HKD
$2,791 USD
View
B+
Retailer 8
-
HK$23,924 HKD
£2,401 GBP
View
B+
Retailer 9
-
HK$24,086 HKD
$3,070 USD
View
Most Expensive
B
Brilliant Earth
22319315A · Oct 31
HK$31,226 HKD
$3,980 USD
View
9 more retailers have this diamond
Prices start from HK$5,484 HKDSave up to HK$25,742 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$5,484 HKD