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1.18ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG440013467

Shape and cutting style on the report: Round brilliant

Certificate IGI LG440013467

Diamond specifications and retailer prices

From HK$5,256 HKD
As of November 5, 2026
Save HK$28,500 HKD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$33,756 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 1.18ct lab-grown round diamond

This 1.18ct lab-grown round sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440013467 or 440013467. Listed at 12 retailers as of November 5, 2026, with prices from HK$5,256 to HK$33,756, a HK$28,500 spread on the same certified stone. MOH London lists it at HK$33,756. 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

1.18
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440013467
Dimensions6.89 × 6.93 × 4.08 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.89 mm6.93 mm1.18 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440013467
Side View
Table 57.0%Crown 31.8°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 59.1%

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$33,756 HKD|Low: HK$5,256 HKD|High: HK$34,254 HKD|Avg: HK$15,861 HKD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 5HK$5,256 HKD
Retailer 6HK$8,606 HKD
Retailer 10HK$9,634 HKD
Retailer 7HK$9,979 HKD
Retailer 9HK$9,979 HKD
Retailer 11HK$11,336 HKD
Retailer 12HK$14,208 HKD
Retailer 8HK$15,879 HKD
Retailer 2HK$16,977 HKD
Retailer 3HK$20,248 HKD
Retailer 4HK$28,572 HKD
MOH LondonHK$33,756 HKD

23 data points across 12 retailers

12 retailersHK$5,256 HKD to HK$33,756 HKD

A
Cheapest Retailer
-
HK$5,256 HKD
B+
Retailer 2
-
HK$8,606 HKD
View
B+
Retailer 3
-
HK$9,359 HKD
View
B+
Retailer 4
-
HK$9,634 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$9,979 HKD
View
Retailer 6
-
HK$9,979 HKD
View
Price last confirmed 25 days ago
B+
Retailer 7
-
HK$11,336 HKD
View
B
Retailer 8
-
HK$15,879 HKD
View
B
Retailer 9
-
HK$16,977 HKD
View
B
Retailer 10
-
HK$18,711 HKD
View
B
Retailer 11
-
HK$20,248 HKD
View
Most Expensive
B
MOH London
LG440013467 · Nov 5
HK$33,756 HKD
£3,388 GBP
View
11 more retailers have this diamond
Prices start from HK$5,256 HKDSave up to HK$28,500 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
1.18ct Round
HK$5,256 HKD