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Cushion|Lab Grown|IGI

1.05ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG828618585

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG828618585

Diamond specifications and retailer prices

From HK$1,428 HKD
$182 USD
As of October 27, 2026
Save HK$7,045 HKD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$8,473 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.05ct lab-grown cushion diamond

This 1.05ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828618585 or 828618585. Listed at 16 retailers as of October 27, 2026, with prices from HK$1,428 to HK$8,473, a HK$7,045 spread on the same certified stone. Brilliant Earth lists it at HK$8,473. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.8°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828618585
Dimensions6.98 × 5.28 × 3.24 mm
L/W Ratio1.32
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.98 mm5.28 mm1.05 ctE / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG828618585
Side View
Table 73.0%Crown 35.8°Girdle: MED-THKPavilion 34.1°Culet: NoneDepth 61.4%

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: Oct 27
Current: HK$8,473 HKD|Low: HK$1,404 HKD|High: HK$8,473 HKD|Avg: HK$4,183 HKD
Brilliant Earth
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
October 29, 2026
Retailer 5HK$1,428 HKD
Retailer 8HK$1,989 HKD
Retailer 12HK$2,653 HKD
Retailer 13HK$2,677 HKD
Retailer 9HK$2,782 HKD
Retailer 3HK$2,856 HKD
Retailer 10HK$3,401 HKD
Retailer 14HK$4,119 HKD
Retailer 7HK$4,296 HKD
Retailer 2HK$5,108 HKD
Retailer 6HK$5,521 HKD
Retailer 11HK$7,413 HKD
Retailer 4HK$8,433 HKD
Brilliant EarthHK$8,473 HKD

40 data points across 14 retailers

16 retailersHK$1,428 HKD to HK$8,473 HKD

A
Cheapest Retailer
-
HK$1,428 HKD
$182 USD
Final sale: no returns
A
Retailer 2
-
HK$1,808 HKD
View
A
Retailer 3
-
HK$1,989 HKD
£200 GBP
View
A
Retailer 4
-
HK$2,644 HKD
$337 USD
View
A
Retailer 5
-
HK$2,653 HKD
€322 EUR
View
Retailer 6
-
HK$2,677 HKD
ZAR 5,513 ZAR
View
Price last confirmed 7 days ago
A
Retailer 7
-
HK$2,782 HKD
£279 GBP
View
B+
Retailer 8
-
HK$2,856 HKD
$364 USD
View
B+
Retailer 9
-
HK$3,401 HKD
£341 GBP
View
B+
Retailer 10
-
HK$4,119 HKD
$525 USD
View
B+
Retailer 11
-
HK$4,296 HKD
SGD 740 SGD
View
B
Retailer 12
-
HK$5,108 HKD
$651 USD
View
B
Retailer 13
-
HK$5,521 HKD
$704 USD
View
B
Retailer 14
-
HK$7,413 HKD
£744 GBP
View
B
Retailer 15
-
HK$8,433 HKD
$1,075 USD
View
Most Expensive
B
Brilliant Earth
21003236A · Oct 29
HK$8,473 HKD
$1,080 USD
View
15 more retailers have this diamond
Prices start from HK$1,428 HKDSave up to HK$7,045 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 Cushion
HK$1,428 HKD