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1.05ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG766618328

Shape and cutting style on the report: Round brilliant

Certificate IGI LG766618328

Diamond specifications and retailer prices

From HK$1,090 HKD
As of November 5, 2026
Save HK$6,747 HKD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$7,837 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 LG766618328 or 766618328. Listed at 19 retailers as of November 4, 2026, with prices from HK$1,090 to HK$7,837, a HK$6,747 spread on the same certified stone. Reve Diamonds lists it at HK$7,837. 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 angle33.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766618328
Dimensions6.61 × 6.59 × 3.97 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.61 mm6.59 mm1.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766618328
Side View
Table 59.0%Crown 33.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.1%

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$2,259 HKD|Low: HK$1,090 HKD|High: HK$7,877 HKD|Avg: HK$3,260 HKD|+4.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Reve Diamonds
November 6, 2026
Retailer 17HK$1,090 HKD
Retailer 4HK$1,216 HKD
Retailer 15HK$1,263 HKD
Retailer 5HK$1,349 HKD
Retailer 16HK$1,349 HKD
Retailer 1HK$2,259 HKD
Retailer 11HK$2,369 HKD
Retailer 6HK$2,526 HKD
Retailer 13HK$3,201 HKD
Retailer 14HK$3,217 HKD
Retailer 12HK$3,452 HKD
Retailer 7HK$3,758 HKD
Retailer 9HK$3,844 HKD
Retailer 3HK$3,876 HKD
Retailer 2HK$4,346 HKD
Retailer 8HK$4,778 HKD
Retailer 10HK$6,300 HKD
Reve DiamondsHK$7,837 HKD

46 data points across 18 retailers

19 retailersHK$1,090 HKD to HK$7,837 HKD

A
Cheapest Retailer
-
HK$1,090 HKD
A
Retailer 2
-
HK$1,216 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$1,263 HKD
View
A
Retailer 4
-
HK$1,349 HKD
View
Retailer 5
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HK$1,349 HKD
View
Price last confirmed 12 days ago
A
Retailer 6
-
HK$2,259 HKD
View
A
Retailer 7
-
HK$2,267 HKD
View
A
Retailer 8
-
HK$2,369 HKD
View
B+
Retailer 9
-
HK$2,526 HKD
View
B+
Retailer 10
-
HK$3,201 HKD
View
Retailer 11
-
HK$3,217 HKD
View
Price last confirmed 12 days ago
B+
Retailer 12
-
HK$3,452 HKD
View
B+
Retailer 13
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HK$3,758 HKD
View
B+
Retailer 14
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HK$3,844 HKD
View
B+
Retailer 15
-
HK$3,876 HKD
View
B+
Retailer 16
-
HK$4,346 HKD
View
B
Retailer 17
-
HK$4,778 HKD
View
B
Retailer 18
-
HK$6,300 HKD
View
Most Expensive
B
Reve Diamonds
DDBB40C22 · Nov 4
HK$7,837 HKD
$999 USD
View
18 more retailers have this diamond
Prices start from HK$1,090 HKDSave up to HK$6,747 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