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Cushion|Lab Grown|IGI

1.26ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG830620551

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

Certificate IGI LG830620551

Diamond specifications and retailer prices

From HK$2,500 HKD
£251 GBP
As of October 27, 2026
Save HK$6,288 HKD (72%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$8,787 HKD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 1.26ct lab-grown cushion diamond

This 1.26ct 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 LG830620551 or 830620551. Listed at 9 retailers as of October 26, 2026, with prices from HK$2,500 to HK$8,787, a HK$6,288 spread on the same certified stone. Brilliant Earth lists it at HK$8,787. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.26
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830620551
Dimensions6.32 × 6.28 × 4.08 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.32 mm6.28 mm1.26 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830620551
Side View
Table 62.0%Crown 38°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 65.0%

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 27
Current: HK$4,692 HKD|Low: HK$2,500 HKD|High: HK$6,960 HKD|Avg: HK$5,371 HKD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 27, 2026
Retailer 5HK$2,500 HKD
Retailer 2HK$3,419 HKD
Retailer 6HK$3,734 HKD
Retailer 1HK$4,692 HKD
Retailer 3HK$4,977 HKD
Retailer 4HK$6,613 HKD
Retailer 7HK$6,928 HKD
Retailer 8HK$6,960 HKD

2 data points across 8 retailers

9 retailersHK$2,500 HKD to HK$8,787 HKD

A
Cheapest Retailer
-
HK$2,500 HKD
£251 GBP
A
Retailer 2
-
HK$3,419 HKD
€415 EUR
View
A
Retailer 3
-
HK$3,734 HKD
£375 GBP
View
A
Retailer 4
-
HK$4,692 HKD
$598 USD
View
B+
Retailer 5
-
HK$4,977 HKD
A$976 AUD
View
B+
Retailer 6
-
HK$6,613 HKD
SGD 1,139 SGD
View
B+
Retailer 7
-
HK$6,928 HKD
$883 USD
View
B+
Retailer 8
-
HK$6,960 HKD
$887 USD
View
Most Expensive
B
Brilliant Earth
22310899A · Oct 26
HK$8,787 HKD
$1,120 USD
View
8 more retailers have this diamond
Prices start from HK$2,500 HKDSave up to HK$6,288 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
1.26ct Cushion
HK$2,500 HKD