Marquise|Lab Grown|IGI

1.05ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG819697916

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG819697916

Diamond specifications and retailer prices

From HK$1,585 HKD
As of November 4, 2026
Save HK$9,792 HKD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$11,376 HKD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG819697916 or 819697916. Listed at 12 retailers as of November 3, 2026, with prices from HK$1,585 to HK$11,376, a HK$9,792 spread on the same certified stone. Brilliant Earth lists it at HK$11,376. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819697916
Dimensions10.45 × 5.52 × 3.34 mm
L/W Ratio1.89
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
10.45 mm5.52 mm1.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819697916
Side View
Table 57.0%Crown 31.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
A+
Exceptional
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 4
Current: HK$11,376 HKD|Low: HK$1,585 HKD|High: HK$20,634 HKD|Avg: HK$5,932 HKD|-44.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 4, 2026
Retailer 10HK$1,585 HKD
Retailer 9HK$1,836 HKD
Retailer 8HK$3,413 HKD
Retailer 6HK$3,829 HKD
Retailer 11HK$3,860 HKD
Retailer 4HK$4,794 HKD
Retailer 7HK$6,316 HKD
Retailer 2HK$6,339 HKD
Retailer 5HK$9,180 HKD
Retailer 3HK$10,121 HKD
Brilliant EarthHK$11,376 HKD

31 data points across 11 retailers

12 retailersHK$1,585 HKD to HK$11,376 HKD

A+
Cheapest Retailer
-
HK$1,585 HKD
A
Retailer 2
-
HK$1,836 HKD
View
A
Retailer 3
-
HK$3,413 HKD
View
A
Retailer 4
-
HK$3,829 HKD
View
Retailer 5
-
HK$3,860 HKD
View
Price last confirmed 11 days ago
A
Retailer 6
-
HK$4,794 HKD
View
B+
Retailer 7
-
HK$5,249 HKD
View
B+
Retailer 8
-
HK$6,316 HKD
View
B+
Retailer 9
-
HK$6,339 HKD
View
B
Retailer 10
-
HK$9,180 HKD
View
Retailer 11
-
HK$10,121 HKD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
20983902A · Nov 3
HK$11,376 HKD
$1,450 USD
View
11 more retailers have this diamond
Prices start from HK$1,585 HKDSave up to HK$9,792 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+
1.05ct Marquise
HK$1,585 HKD