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Round|Lab Grown|IGI

1.05ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG818686964

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818686964

Diamond specifications and retailer prices

From HK$1,090 HKD
As of November 5, 2026
Save HK$5,216 HKD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$6,307 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG818686964 or 818686964. Listed at 13 retailers as of November 4, 2026, with prices from HK$1,090 to HK$6,307, a HK$5,216 spread on the same certified stone. MOH London lists it at HK$6,307. 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

1.05
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818686964
Dimensions6.53 × 6.58 × 3.98 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.53 mm6.58 mm1.05 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818686964
Side View
Table 57.0%Crown 34.9°Girdle: MediumPavilion 40.3°Culet: NoneDepth 60.6%

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$6,307 HKD|Low: HK$1,090 HKD|High: HK$6,685 HKD|Avg: HK$3,252 HKD|-4.7%
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 9HK$1,090 HKD
Retailer 8HK$1,263 HKD
Retailer 4HK$1,349 HKD
Retailer 5HK$2,259 HKD
Retailer 2HK$2,401 HKD
Retailer 10HK$2,503 HKD
Retailer 11HK$2,526 HKD
Retailer 6HK$3,217 HKD
Retailer 7HK$3,428 HKD
Retailer 3HK$4,346 HKD
Retailer 12HK$4,778 HKD
MOH LondonHK$6,307 HKD

45 data points across 12 retailers

13 retailersHK$1,090 HKD to HK$6,307 HKD

A
Cheapest Retailer
-
HK$1,090 HKD
A
Retailer 2
-
HK$1,263 HKD
View
A
Retailer 3
-
HK$1,349 HKD
View
Retailer 4
-
HK$1,412 HKD
View
Price last confirmed 12 days ago
A
Retailer 5
-
HK$2,259 HKD
View
A
Retailer 6
-
HK$2,401 HKD
View
A
Retailer 7
-
HK$2,503 HKD
View
A
Retailer 8
-
HK$2,526 HKD
View
B+
Retailer 9
-
HK$3,217 HKD
View
B+
Retailer 10
-
HK$3,428 HKD
View
B
Retailer 11
-
HK$4,346 HKD
View
B
Retailer 12
-
HK$4,778 HKD
View
Most Expensive
B
MOH London
LG818686964 · Nov 4
HK$6,307 HKD
£633 GBP
View
12 more retailers have this diamond
Prices start from HK$1,090 HKDSave up to HK$5,216 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
1.05ct Round
HK$1,090 HKD