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Cushion|Lab Grown|IGI

1.28ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG689562553

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG689562553

Diamond specifications and retailer prices

From HK$2,220 HKD
$283 USD
As of October 30, 2026
Save HK$13,502 HKD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$15,723 HKD at Yadav Diamonds · As of October 19, 2026
View at Yadav Diamonds

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 LG689562553 or 689562553. Listed at 16 retailers as of October 30, 2026, with a 608% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle37.8°
Pavilion angle42.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689562553
Dimensions6.23 × 6.23 × 4.30 mm
L/W Ratio1.00
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
6.23 mm6.23 mm1.28 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689562553
Side View
Table 63.0%Crown 37.8°Girdle: MED-STKPavilion 42.6°Culet: NoneDepth 69.0%

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: Oct 30
Current: HK$4,661 HKD|Low: HK$2,197 HKD|High: HK$15,723 HKD|Avg: HK$6,232 HKD|+2.7%
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
Yadav Diamonds
November 1, 2026
Retailer 3HK$2,220 HKD
Retailer 5HK$2,903 HKD
Retailer 6HK$3,551 HKD
Retailer 10HK$3,727 HKD
Retailer 1HK$4,661 HKD
Retailer 12HK$4,943 HKD
Retailer 2HK$5,045 HKD
Retailer 7HK$5,288 HKD
Retailer 9HK$6,002 HKD
Retailer 4HK$7,617 HKD
Retailer 13HK$8,332 HKD
Retailer 11HK$9,894 HKD
Retailer 8HK$10,592 HKD
Yadav DiamondsHK$15,723 HKD

40 data points across 14 retailers

16 retailersHK$2,220 HKD to HK$15,723 HKD

A
Cheapest Retailer
-
HK$2,220 HKD
$283 USD
Final sale: no returns
B+
Retailer 2
-
HK$2,903 HKD
$370 USD
View
A
Retailer 3
-
HK$3,551 HKD
€431 EUR
View
A
Retailer 4
-
HK$3,727 HKD
$475 USD
View
A
Retailer 5
-
HK$4,661 HKD
£468 GBP
View
A
Retailer 6
-
HK$4,943 HKD
$630 USD
View
A
Retailer 7
-
HK$5,045 HKD
$643 USD
View
B+
Retailer 8
-
HK$5,288 HKD
$674 USD
View
B+
Retailer 9
-
HK$6,002 HKD
A$1,177 AUD
View
B+
Retailer 10
-
HK$7,617 HKD
SGD 1,312 SGD
View
B
Retailer 11
-
HK$8,332 HKD
$1,062 USD
View
B+
Retailer 12
-
HK$9,894 HKD
£993 GBP
View
B
Retailer 13
-
HK$10,592 HKD
$1,350 USD
View
B
Retailer 14
-
HK$15,723 HKD
$2,004 USD
View
Retailer 15
-
HK$15,723 HKD
$2,004 USD
View
Price last confirmed 26 days ago
Most Expensive
Yadav Diamonds
13316896 · Oct 19
HK$15,723 HKD
$2,004 USD
View
Price last confirmed 12 days ago
15 more retailers have this diamond
Prices start from HK$2,220 HKDSave up to HK$13,502 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$2,220 HKD