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Round|Lab Grown|IGI

1.05ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG620431074

Shape and cutting style on the report: Round brilliant

Certificate IGI LG620431074

Diamond specifications and retailer prices

From HK$1,765 HKD
As of November 5, 2026
Save HK$7,659 HKD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$9,424 HKD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG620431074 or 620431074. Listed at 18 retailers as of November 4, 2026, with prices from HK$1,765 to HK$9,424, a HK$7,659 spread on the same certified stone. Reve Diamonds lists it at HK$9,424. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620431074
Dimensions6.56 × 6.58 × 4.00 mm
L/W Ratio1.00
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
6.56 mm6.58 mm1.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620431074
Side View
Table 57.0%Crown 33.5°Girdle: MediumPavilion 41.1°Culet: NoneDepth 60.8%

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$3,570 HKD|Low: HK$1,522 HKD|High: HK$9,424 HKD|Avg: HK$4,096 HKD|+5.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Reve Diamonds
November 6, 2026
Retailer 12HK$1,585 HKD
Retailer 3HK$1,765 HKD
Retailer 4HK$1,969 HKD
Retailer 13HK$1,969 HKD
Retailer 11HK$2,432 HKD
Retailer 9HK$3,342 HKD
Retailer 2HK$3,413 HKD
Retailer 1HK$3,570 HKD
Retailer 6HK$3,805 HKD
Retailer 10HK$4,221 HKD
Retailer 5HK$4,425 HKD
Retailer 8HK$5,115 HKD
Retailer 7HK$9,171 HKD
Reve DiamondsHK$9,424 HKD

41 data points across 14 retailers

18 retailersHK$1,765 HKD to HK$9,424 HKD

Retailer 1
-
HK$1,585 HKD
Price last confirmed 17 days ago
A
Retailer 2
-
HK$1,765 HKD
View
Final sale: no returns
Retailer 3
-
HK$1,844 HKD
View
Price last confirmed 17 days ago
Retailer 4
-
HK$1,969 HKD
View
Price last confirmed 21 days ago
Retailer 5
-
HK$1,969 HKD
View
Price last confirmed 16 days ago
A
Retailer 6
-
HK$2,432 HKD
View
Retailer 7
-
HK$3,217 HKD
View
Price last confirmed 58 days ago
B+
Retailer 8
-
HK$3,342 HKD
View
B+
Retailer 9
-
HK$3,413 HKD
View
B+
Retailer 10
-
HK$3,570 HKD
View
B+
Retailer 11
-
HK$3,805 HKD
View
B+
Retailer 12
-
HK$4,221 HKD
View
B
Retailer 13
-
HK$4,425 HKD
View
B
Retailer 14
-
HK$5,115 HKD
View
Retailer 15
-
HK$6,331 HKD
View
Price last confirmed 16 days ago
B
Retailer 16
-
HK$6,747 HKD
View
B
Retailer 17
-
HK$9,171 HKD
View
Most Expensive
B
Reve Diamonds
C3DE76E96 · Nov 4
HK$9,424 HKD
$1,201 USD
View
17 more retailers have this diamond
Prices start from HK$1,765 HKDSave up to HK$7,659 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$1,765 HKD