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Cushion|Lab Grown|IGI

1.28ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG794629181

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG794629181

Diamond specifications and retailer prices

From HK$3,248 HKD
$414 USD
As of October 29, 2026
Save HK$13,491 HKD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$16,740 HKD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.28ct lab-grown cushion diamond

This 1.28ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG794629181 or 794629181. Listed at 18 retailers as of October 27, 2026, with prices from HK$3,248 to HK$16,740, a HK$13,491 spread on the same certified stone. Queensmith lists it at HK$16,740. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794629181
Dimensions7.20 × 6.36 × 3.62 mm
L/W Ratio1.13
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
7.20 mm6.36 mm1.28 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794629181
Side View
Table 59.0%Crown 32.5°Girdle: STK-THKPavilion 40.6°Culet: LargeDepth 56.9%

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 29
Current: HK$6,637 HKD|Low: HK$3,123 HKD|High: HK$14,986 HKD|Avg: HK$7,660 HKD|+2.2%
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
November 1, 2026
Retailer 12HK$3,248 HKD
Retailer 8HK$3,633 HKD
Retailer 5HK$3,640 HKD
Retailer 3HK$4,033 HKD
Retailer 14HK$4,033 HKD
Retailer 10HK$5,178 HKD
Retailer 13HK$5,414 HKD
Retailer 1HK$6,637 HKD
Retailer 7HK$9,827 HKD
Retailer 11HK$11,306 HKD
Retailer 6HK$11,718 HKD
Retailer 4HK$12,819 HKD
Retailer 2HK$12,961 HKD
Retailer 9HK$14,886 HKD

44 data points across 14 retailers

18 retailersHK$3,248 HKD to HK$16,740 HKD

A
Cheapest Retailer
-
HK$3,248 HKD
$414 USD
A
Retailer 2
-
HK$3,633 HKD
$463 USD
View
Final sale: no returns
A
Retailer 3
-
HK$3,640 HKD
$464 USD
View
A
Retailer 4
-
HK$4,033 HKD
$514 USD
View
A
Retailer 5
-
HK$4,033 HKD
$514 USD
View
B+
Retailer 6
-
HK$5,178 HKD
$660 USD
View
B+
Retailer 7
-
HK$5,382 HKD
$686 USD
View
B+
Retailer 8
-
HK$5,414 HKD
$690 USD
View
B+
Retailer 9
-
HK$6,637 HKD
£666 GBP
View
B
Retailer 10
-
HK$9,827 HKD
A$1,927 AUD
View
B
Retailer 11
-
HK$11,306 HKD
$1,441 USD
View
B
Retailer 12
-
HK$11,718 HKD
£1,176 GBP
View
B
Retailer 13
-
HK$12,819 HKD
SGD 2,208 SGD
View
B
Retailer 14
-
HK$12,961 HKD
$1,652 USD
View
B
Retailer 15
-
HK$13,230 HKD
$1,686 USD
View
B
Retailer 16
-
HK$14,733 HKD
$1,878 USD
View
B
Retailer 17
-
HK$14,886 HKD
£1,494 GBP
View
Most Expensive
B
Queensmith
LG794629181 · Oct 27
HK$16,740 HKD
£1,680 GBP
View
17 more retailers have this diamond
Prices start from HK$3,248 HKDSave up to HK$13,491 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
1.28ct Cushion
HK$3,248 HKD