CaratHunter
Plans
Marquise|Lab Grown|IGI

1.09ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG835609047

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG835609047

Diamond specifications and retailer prices

From HK$1,240 HKD
As of November 4, 2026
Save HK$5,187 HKD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$6,426 HKD at MOH London · As of November 4, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG835609047 or 835609047. Listed at 12 retailers as of November 4, 2026, with prices from HK$1,240 to HK$6,426, a HK$5,187 spread on the same certified stone. MOH London lists it at HK$6,426. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.09
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835609047
Dimensions10.51 × 5.55 × 3.35 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.51 mm5.55 mm1.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG835609047
Side View
Table 60.0%Crown 32.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.4%

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$6,426 HKD|Low: HK$1,240 HKD|High: HK$6,596 HKD|Avg: HK$3,056 HKD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 12HK$1,240 HKD
Retailer 9HK$1,600 HKD
Retailer 2HK$1,773 HKD
Retailer 5HK$2,338 HKD
Retailer 8HK$2,369 HKD
Retailer 11HK$2,558 HKD
Retailer 6HK$2,612 HKD
Retailer 3HK$2,636 HKD
Retailer 7HK$3,515 HKD
Retailer 4HK$3,797 HKD
Retailer 10HK$4,197 HKD
MOH LondonHK$6,426 HKD

38 data points across 12 retailers

12 retailersHK$1,240 HKD to HK$6,426 HKD

A
Cheapest Retailer
-
HK$1,240 HKD
Final sale: no returns
A
Retailer 2
-
HK$1,600 HKD
View
A
Retailer 3
-
HK$1,773 HKD
View
A
Retailer 4
-
HK$2,338 HKD
View
Retailer 5
-
HK$2,369 HKD
View
Price last confirmed 10 days ago
B+
Retailer 6
-
HK$2,558 HKD
View
A
Retailer 7
-
HK$2,612 HKD
View
Retailer 8
-
HK$2,636 HKD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
HK$3,515 HKD
View
B+
Retailer 10
-
HK$3,797 HKD
View
Retailer 11
-
HK$4,197 HKD
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
LG835609047 · Nov 4
HK$6,426 HKD
£645 GBP
View
11 more retailers have this diamond
Prices start from HK$1,240 HKDSave up to HK$5,187 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$1,240 HKD