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Round|Lab Grown|IGI

1.18ct G SI2 Round Lab Grown Diamond

ID • G/SI2 • IGI LG371992809

Shape and cutting style on the report: Round brilliant

Certificate IGI LG371992809

Diamond specifications and retailer prices

From HK$1,679 HKD
$214 USD
As of October 29, 2026
Save HK$7,588 HKD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$9,267 HKD at MOH London · As of October 29, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG371992809 or 371992809. Listed at 15 retailers as of October 29, 2026, with prices from HK$1,679 to HK$9,267, a HK$7,588 spread on the same certified stone. MOH London lists it at HK$9,267. 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
G
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG371992809
Dimensions6.76 × 6.81 × 4.20 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa
Top View
6.76 mm6.81 mm1.18 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG371992809
Side View
Table 58.0%Crown 35.5°Girdle: MediumPavilion 41°Culet: NoneDepth 61.9%

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: Oct 29
Current: HK$9,267 HKD|Low: HK$1,679 HKD|High: HK$9,267 HKD|Avg: HK$4,491 HKD|+0.4%
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
October 31, 2026
Retailer 12HK$1,679 HKD
Retailer 10HK$1,946 HKD
Retailer 9HK$2,087 HKD
Retailer 13HK$2,087 HKD
Retailer 7HK$2,448 HKD
Retailer 8HK$3,467 HKD
Retailer 5HK$4,114 HKD
Retailer 2HK$4,338 HKD
Retailer 11HK$4,566 HKD
Retailer 6HK$5,355 HKD
Retailer 3HK$6,724 HKD
Retailer 4HK$7,187 HKD
Retailer 14HK$7,391 HKD
MOH LondonHK$9,267 HKD

15 data points across 14 retailers

15 retailersHK$1,679 HKD to HK$9,267 HKD

A
Cheapest Retailer
-
HK$1,679 HKD
$214 USD
A
Retailer 2
-
HK$1,946 HKD
$248 USD
View
A
Retailer 3
-
HK$2,087 HKD
$266 USD
View
A
Retailer 4
-
HK$2,087 HKD
$266 USD
View
B+
Retailer 5
-
HK$2,448 HKD
$312 USD
View
B+
Retailer 6
-
HK$3,467 HKD
£348 GBP
View
B
Retailer 7
-
HK$4,114 HKD
$524 USD
View
B
Retailer 8
-
HK$4,338 HKD
£435 GBP
View
B+
Retailer 9
-
HK$4,566 HKD
$582 USD
View
B
Retailer 10
-
HK$5,355 HKD
$683 USD
View
B
Retailer 11
-
HK$6,512 HKD
$830 USD
View
B
Retailer 12
-
HK$6,724 HKD
$857 USD
View
B
Retailer 13
-
HK$7,187 HKD
$916 USD
View
B
Retailer 14
-
HK$7,391 HKD
$942 USD
View
Most Expensive
B
MOH London
LG371992809 · Oct 29
HK$9,267 HKD
£930 GBP
View
14 more retailers have this diamond
Prices start from HK$1,679 HKDSave up to HK$7,588 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$1,679 HKD