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Cushion|Lab Grown|IGI

1.05ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG818644817

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG818644817

Diamond specifications and retailer prices

From HK$3,044 HKD
$388 USD
As of October 25, 2026
Save HK$11,305 HKD (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$14,349 HKD at Queensmith · As of October 27, 2026
View at Queensmith

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818644817 or 818644817. Listed at 18 retailers as of October 25, 2026, with prices from HK$3,044 to HK$14,349, a HK$11,305 spread on the same certified stone. Queensmith lists it at HK$14,349. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.3°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644817
Dimensions7.80 × 5.11 × 2.80 mm
L/W Ratio1.53
Girdle conditionFaceted
Culet sizeLarge
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
7.80 mm5.11 mm1.05 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644817
Side View
Table 55.0%Crown 31.3°Girdle: MED-STKPavilion 32.7°Culet: LargeDepth 54.8%

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: Oct 25
Current: HK$14,349 HKD|Low: HK$3,044 HKD|High: HK$14,349 HKD|Avg: HK$7,617 HKD
Queensmith
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
Retailer 18
October 29, 2026
Retailer 4HK$3,044 HKD
Retailer 15HK$3,415 HKD
Retailer 8HK$3,751 HKD
Retailer 18HK$3,766 HKD
Retailer 3HK$4,096 HKD
Retailer 11HK$4,919 HKD
Retailer 6HK$4,928 HKD
Retailer 14HK$5,238 HKD
Retailer 2HK$5,415 HKD
Retailer 12HK$7,436 HKD
Retailer 17HK$7,493 HKD
Retailer 5HK$8,135 HKD
Retailer 10HK$10,161 HKD
Retailer 7HK$10,726 HKD
Retailer 13HK$11,456 HKD
Retailer 9HK$12,203 HKD
Retailer 16HK$12,287 HKD
QueensmithHK$14,349 HKD

40 data points across 18 retailers

18 retailersHK$3,044 HKD to HK$14,349 HKD

A
Cheapest Retailer
-
HK$3,044 HKD
$388 USD
A
Retailer 2
-
HK$3,415 HKD
View
B+
Retailer 3
-
HK$3,751 HKD
$478 USD
View
A
Retailer 4
-
HK$3,766 HKD
$480 USD
View
B+
Retailer 5
-
HK$4,096 HKD
$522 USD
View
B+
Retailer 6
-
HK$4,919 HKD
€597 EUR
View
B+
Retailer 7
-
HK$4,928 HKD
$628 USD
View
B+
Retailer 8
-
HK$5,238 HKD
ZAR 10,784 ZAR
View
B+
Retailer 9
-
HK$5,415 HKD
£543 GBP
View
B
Retailer 10
-
HK$7,436 HKD
A$1,458 AUD
View
B
Retailer 11
-
HK$7,493 HKD
$955 USD
View
B
Retailer 12
-
HK$8,135 HKD
SGD 1,401 SGD
View
B
Retailer 13
-
HK$10,161 HKD
$1,295 USD
View
B
Retailer 14
-
HK$10,946 HKD
$1,395 USD
View
B
Retailer 15
-
HK$11,456 HKD
$1,460 USD
View
B
Retailer 16
-
HK$12,203 HKD
$1,555 USD
View
Retailer 17
-
HK$12,287 HKD
£1,233 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Queensmith
LG818644817 · Oct 27
HK$14,349 HKD
£1,440 GBP
View
17 more retailers have this diamond
Prices start from HK$3,044 HKDSave up to HK$11,305 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$3,044 HKD