CaratHunter
Plans
Round|Lab Grown|IGI

1.09ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG442069274

Shape and cutting style on the report: Round brilliant

Certificate IGI LG442069274

Diamond specifications and retailer prices

From HK$4,864 HKD
As of November 5, 2026
Save HK$23,342 HKD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$28,206 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 1.09ct lab-grown round diamond

This 1.09ct lab-grown round sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG442069274 or 442069274. Listed at 12 retailers as of November 5, 2026, with prices from HK$4,864 to HK$28,206, a HK$23,342 spread on the same certified stone. MOH London lists it at HK$28,206. 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442069274
Dimensions6.53 × 6.54 × 4.12 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
6.53 mm6.54 mm1.09 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG442069274
Side View
Table 58.0%Crown 36°GirdlePavilion 41.1°Culet: NoneDepth 63.0%

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$28,206 HKD|Low: HK$4,864 HKD|High: HK$28,665 HKD|Avg: HK$13,227 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
Retailer 14
November 6, 2026
Retailer 8HK$4,864 HKD
Retailer 10HK$7,186 HKD
Retailer 14HK$7,822 HKD
Retailer 4HK$8,049 HKD
Retailer 11HK$8,339 HKD
Retailer 13HK$8,339 HKD
Retailer 2HK$9,869 HKD
Retailer 5HK$12,199 HKD
Retailer 12HK$13,368 HKD
Retailer 7HK$14,231 HKD
Retailer 9HK$18,554 HKD
Retailer 6HK$18,664 HKD
Retailer 3HK$23,449 HKD
MOH LondonHK$28,206 HKD

34 data points across 14 retailers

12 retailersHK$4,864 HKD to HK$28,206 HKD

A
Cheapest Retailer
-
HK$4,864 HKD
B+
Retailer 2
-
HK$7,186 HKD
View
B+
Retailer 3
-
HK$7,822 HKD
View
B+
Retailer 4
-
HK$8,049 HKD
View
Final sale: no returns
Retailer 5
-
HK$8,339 HKD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
HK$8,339 HKD
View
B+
Retailer 7
-
HK$9,869 HKD
View
B
Retailer 8
-
HK$13,368 HKD
View
B
Retailer 9
-
HK$14,231 HKD
View
B
Retailer 10
-
HK$18,554 HKD
View
C
Retailer 11
-
HK$23,449 HKD
View
Most Expensive
B
MOH London
LG442069274 · Nov 5
HK$28,206 HKD
£2,831 GBP
View
11 more retailers have this diamond
Prices start from HK$4,864 HKDSave up to HK$23,342 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 Round
HK$4,864 HKD