CaratHunter
Plans
Oval|Lab Grown|IGI

1.09ct H SI1 Oval Lab Grown Diamond

VG • H/SI1 • IGI LG436074457

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG436074457

Diamond specifications and retailer prices

From HK$4,859 HKD
As of November 5, 2026
Save HK$18,830 HKD (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$23,689 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 1.09ct lab-grown oval diamond

This 1.09ct lab-grown oval sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG436074457 or 436074457. Listed at 12 retailers as of November 5, 2026, with prices from HK$4,859 to HK$23,689, a HK$18,830 spread on the same certified stone. MOH London lists it at HK$23,689. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.09
Carat
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle30.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436074457
Dimensions8.73 × 5.99 × 3.43 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
8.73 mm5.99 mm1.09 ctH / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436074457
Side View
Table 59.0%Crown 30.8°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 57.3%

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 5
Current: HK$23,689 HKD|Low: HK$4,663 HKD|High: HK$24,038 HKD|Avg: HK$10,326 HKD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 8HK$4,859 HKD
Retailer 2HK$4,938 HKD
Retailer 11HK$5,439 HKD
Retailer 5HK$5,502 HKD
Retailer 9HK$6,027 HKD
Retailer 12HK$6,027 HKD
Retailer 6HK$7,014 HKD
Retailer 10HK$9,225 HKD
Retailer 3HK$9,444 HKD
Retailer 7HK$14,962 HKD
Retailer 4HK$16,137 HKD
Retailer 13HK$18,277 HKD
MOH LondonHK$23,689 HKD

20 data points across 13 retailers

12 retailersHK$4,859 HKD to HK$23,689 HKD

A
Cheapest Retailer
-
HK$4,859 HKD
A
Retailer 2
-
HK$4,938 HKD
View
A
Retailer 3
-
HK$5,439 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$5,447 HKD
View
Retailer 5
-
HK$6,027 HKD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
HK$6,027 HKD
View
A
Retailer 7
-
HK$7,014 HKD
View
B+
Retailer 8
-
HK$9,225 HKD
View
B
Retailer 9
-
HK$14,962 HKD
View
B
Retailer 10
-
HK$15,855 HKD
View
B
Retailer 11
-
HK$18,277 HKD
View
Most Expensive
B
MOH London
LG436074457 · Nov 5
HK$23,689 HKD
£2,380 GBP
View
11 more retailers have this diamond
Prices start from HK$4,859 HKDSave up to HK$18,830 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 Oval
HK$4,859 HKD