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Cushion|Lab Grown|IGI

1.54ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG818644815

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG818644815

Diamond specifications and retailer prices

From HK$3,687 HKD
$470 USD
As of October 29, 2026
Save HK$17,137 HKD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$20,825 HKD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.54ct lab-grown cushion diamond

This 1.54ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818644815 or 818644815. Listed at 18 retailers as of October 27, 2026, with prices from HK$3,687 to HK$20,825, a HK$17,137 spread on the same certified stone. Queensmith lists it at HK$20,825. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644815
Dimensions8.62 × 5.71 × 3.74 mm
L/W Ratio1.51
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
8.62 mm5.71 mm1.54 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644815
Side View
Table 57.0%Crown 42.4°Girdle: MediumPavilion 40.6°Culet: LargeDepth 65.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: HK$20,825 HKD|Low: HK$3,687 HKD|High: HK$20,825 HKD|Avg: HK$10,579 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
November 1, 2026
Retailer 16HK$3,687 HKD
Retailer 4HK$4,127 HKD
Retailer 10HK$4,331 HKD
Retailer 7HK$4,566 HKD
Retailer 9HK$4,794 HKD
Retailer 3HK$5,641 HKD
Retailer 12HK$5,688 HKD
Retailer 17HK$6,135 HKD
Retailer 2HK$7,515 HKD
Retailer 11HK$10,638 HKD
Retailer 14HK$12,286 HKD
Retailer 8HK$14,509 HKD
Retailer 15HK$14,687 HKD
Retailer 6HK$14,922 HKD
Retailer 18HK$16,116 HKD
Retailer 13HK$16,809 HKD
Retailer 5HK$17,104 HKD
QueensmithHK$20,825 HKD

44 data points across 18 retailers

18 retailersHK$3,687 HKD to HK$20,825 HKD

A
Cheapest Retailer
-
HK$3,687 HKD
$470 USD
A
Retailer 2
-
HK$4,127 HKD
$526 USD
View
Retailer 3
-
HK$4,331 HKD
$552 USD
View
Price last confirmed 39 days ago
Final sale: no returns
A
Retailer 4
-
HK$4,566 HKD
$582 USD
View
Retailer 5
-
HK$4,794 HKD
$611 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
HK$5,641 HKD
$719 USD
View
A
Retailer 7
-
HK$5,688 HKD
$725 USD
View
B+
Retailer 8
-
HK$6,135 HKD
$782 USD
View
B+
Retailer 9
-
HK$7,515 HKD
£754 GBP
View
B
Retailer 10
-
HK$10,638 HKD
A$2,086 AUD
View
B
Retailer 11
-
HK$12,286 HKD
$1,566 USD
View
B
Retailer 12
-
HK$14,509 HKD
SGD 2,499 SGD
View
B
Retailer 13
-
HK$14,687 HKD
$1,872 USD
View
B
Retailer 14
-
HK$14,922 HKD
$1,902 USD
View
B
Retailer 15
-
HK$16,116 HKD
$2,054 USD
View
B
Retailer 16
-
HK$16,809 HKD
£1,687 GBP
View
B
Retailer 17
-
HK$17,104 HKD
$2,180 USD
View
Most Expensive
B
Queensmith
LG818644815 · Oct 27
HK$20,825 HKD
£2,090 GBP
View
17 more retailers have this diamond
Prices start from HK$3,687 HKDSave up to HK$17,137 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
1.54ct Cushion
HK$3,687 HKD