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Round|Lab Grown|IGI

1.05ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG719519559

Shape and cutting style on the report: Round brilliant

Certificate IGI LG719519559

Diamond specifications and retailer prices

From HK$1,161 HKD
As of November 5, 2026
Save HK$6,904 HKD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$8,065 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 LG719519559 or 719519559. Listed at 22 retailers as of November 4, 2026, with prices from HK$1,161 to HK$8,065, a HK$6,904 spread on the same certified stone. Reve Diamonds lists it at HK$8,065. 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 angle35.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG719519559
Dimensions6.47 × 6.51 × 4.03 mm
L/W Ratio1.01
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
6.47 mm6.51 mm1.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG719519559
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.0%

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$2,463 HKD|Low: HK$1,153 HKD|High: HK$8,065 HKD|Avg: HK$3,135 HKD|+6.4%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Reve Diamonds
November 5, 2026
Retailer 6HK$1,161 HKD
Retailer 15HK$1,294 HKD
Retailer 16HK$1,349 HKD
Retailer 2HK$1,444 HKD
Retailer 4HK$1,444 HKD
Retailer 9HK$2,283 HKD
Retailer 1HK$2,463 HKD
Retailer 3HK$2,660 HKD
Retailer 12HK$2,824 HKD
Retailer 14HK$3,217 HKD
Retailer 17HK$3,366 HKD
Retailer 13HK$3,813 HKD
Retailer 8HK$3,844 HKD
Retailer 7HK$4,629 HKD
Retailer 11HK$4,895 HKD
Retailer 5HK$5,060 HKD
Retailer 10HK$6,708 HKD
Reve DiamondsHK$8,065 HKD

45 data points across 18 retailers

22 retailersHK$1,161 HKD to HK$8,065 HKD

Retailer 1
-
HK$1,153 HKD
Price last confirmed 45 days ago
A
Retailer 2
-
HK$1,161 HKD
View
A
Retailer 3
-
HK$1,294 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$1,349 HKD
View
Retailer 5
-
HK$1,412 HKD
View
Price last confirmed 45 days ago
Retailer 6
-
HK$1,444 HKD
View
Price last confirmed 12 days ago
A
Retailer 7
-
HK$1,444 HKD
View
A
Retailer 8
-
HK$2,283 HKD
View
A
Retailer 9
-
HK$2,463 HKD
View
B+
Retailer 10
-
HK$2,660 HKD
View
B+
Retailer 11
-
HK$2,824 HKD
View
Retailer 12
-
HK$3,217 HKD
View
Price last confirmed 12 days ago
B+
Retailer 13
-
HK$3,366 HKD
View
B+
Retailer 14
-
HK$3,813 HKD
View
Retailer 15
-
HK$3,844 HKD
View
Price last confirmed 21 days ago
B+
Retailer 16
-
HK$3,891 HKD
View
Retailer 17
-
HK$4,597 HKD
View
Price last confirmed 46 days ago
B
Retailer 18
-
HK$4,629 HKD
View
B
Retailer 19
-
HK$4,895 HKD
View
B
Retailer 20
-
HK$5,060 HKD
View
B
Retailer 21
-
HK$6,708 HKD
View
Most Expensive
B
Reve Diamonds
6DFD6F7D6 · Nov 4
HK$8,065 HKD
$1,028 USD
View
21 more retailers have this diamond
Prices start from HK$1,161 HKDSave up to HK$6,904 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$1,161 HKD