CaratHunter
Plans
Marquise|Lab Grown|IGI

1.09ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG790671715

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790671715

Diamond specifications and retailer prices

From HK$1,899 HKD
As of November 4, 2026
Save HK$12,615 HKD (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$14,514 HKD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.09ct lab-grown marquise diamond

This 1.09ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790671715 or 790671715. Listed at 20 retailers as of November 4, 2026, with prices from HK$1,899 to HK$14,514, a HK$12,615 spread on the same certified stone. Brilliant Earth lists it at HK$14,514. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790671715
Dimensions11.36 × 5.32 × 3.23 mm
L/W Ratio2.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.36 mm5.32 mm1.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG790671715
Side View
Table 57.0%Crown 31.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.7%

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 4
Current: HK$14,514 HKD|Low: HK$1,820 HKD|High: HK$15,533 HKD|Avg: HK$5,841 HKD|-6.6%
Brilliant Earth
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
November 5, 2026
Retailer 4HK$1,899 HKD
Retailer 16HK$2,118 HKD
Retailer 5HK$2,354 HKD
Retailer 2HK$2,471 HKD
Retailer 15HK$3,177 HKD
Retailer 10HK$4,056 HKD
Retailer 12HK$4,229 HKD
Retailer 9HK$4,417 HKD
Retailer 8HK$4,778 HKD
Retailer 7HK$5,131 HKD
Retailer 6HK$7,563 HKD
Retailer 14HK$7,594 HKD
Retailer 13HK$9,297 HKD
Retailer 11HK$9,485 HKD
Retailer 3HK$10,411 HKD
Brilliant EarthHK$14,514 HKD

39 data points across 16 retailers

20 retailersHK$1,899 HKD to HK$14,514 HKD

A
Cheapest Retailer
-
HK$1,899 HKD
A
Retailer 2
-
HK$2,118 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$2,205 HKD
View
Retailer 4
-
HK$2,354 HKD
View
Price last confirmed 11 days ago
A
Retailer 5
-
HK$2,354 HKD
View
A
Retailer 6
-
HK$2,471 HKD
View
A
Retailer 7
-
HK$3,177 HKD
View
A
Retailer 8
-
HK$4,056 HKD
View
Retailer 9
-
HK$4,229 HKD
View
Price last confirmed 11 days ago
A
Retailer 10
-
HK$4,417 HKD
View
A
Retailer 11
-
HK$4,778 HKD
View
B+
Retailer 12
-
HK$5,131 HKD
View
B+
Retailer 13
-
HK$6,339 HKD
View
B+
Retailer 14
-
HK$7,563 HKD
View
B+
Retailer 15
-
HK$7,594 HKD
View
B+
Retailer 16
-
HK$7,971 HKD
View
B
Retailer 17
-
HK$9,297 HKD
View
Retailer 18
-
HK$9,485 HKD
View
Price last confirmed 7 days ago
B
Retailer 19
-
HK$10,411 HKD
View
Most Expensive
B
Brilliant Earth
20608667A · Nov 4
HK$14,514 HKD
$1,850 USD
View
19 more retailers have this diamond
Prices start from HK$1,899 HKDSave up to HK$12,615 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
1.09ct Marquise
HK$1,899 HKD