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Round|Lab Grown|IGI

1.05ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG783638340

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783638340

Diamond specifications and retailer prices

From HK$1,138 HKD
As of November 5, 2026
Save HK$5,458 HKD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$6,596 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG783638340 or 783638340. Listed at 16 retailers as of November 4, 2026, with prices from HK$1,138 to HK$6,596, a HK$5,458 spread on the same certified stone. MOH London lists it at HK$6,596. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783638340
Dimensions6.51 × 6.47 × 4.03 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.51 mm6.47 mm1.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783638340
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.1%

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$6,596 HKD|Low: HK$1,098 HKD|High: HK$6,685 HKD|Avg: HK$3,074 HKD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6HK$1,138 HKD
Retailer 7HK$1,412 HKD
Retailer 3HK$2,408 HKD
Retailer 2HK$2,495 HKD
Retailer 8HK$2,612 HKD
Retailer 10HK$2,989 HKD
Retailer 9HK$3,342 HKD
Retailer 4HK$3,609 HKD
Retailer 5HK$4,801 HKD
MOH LondonHK$6,596 HKD

43 data points across 10 retailers

16 retailersHK$1,138 HKD to HK$6,596 HKD

A
Cheapest Retailer
-
HK$1,138 HKD
A
Retailer 2
-
HK$1,326 HKD
View
Retailer 3
-
HK$1,412 HKD
View
Price last confirmed 12 days ago
A
Retailer 4
-
HK$1,412 HKD
View
A
Retailer 5
-
HK$2,275 HKD
View
A
Retailer 6
-
HK$2,408 HKD
View
A
Retailer 7
-
HK$2,495 HKD
View
A
Retailer 8
-
HK$2,612 HKD
View
Retailer 9
-
HK$2,989 HKD
View
Price last confirmed 65 days ago
B+
Retailer 10
-
HK$3,342 HKD
View
B+
Retailer 11
-
HK$3,609 HKD
View
B+
Retailer 12
-
HK$3,664 HKD
View
B
Retailer 13
-
HK$4,542 HKD
View
B
Retailer 14
-
HK$4,801 HKD
View
B
Retailer 15
-
HK$4,974 HKD
View
Most Expensive
B
MOH London
LG783638340 · Nov 4
HK$6,596 HKD
£662 GBP
View
15 more retailers have this diamond
Prices start from HK$1,138 HKDSave up to HK$5,458 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$1,138 HKD