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Cushion|Lab Grown|IGI

1.01ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG805634045

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

Certificate IGI LG805634045

Diamond specifications and retailer prices

From HK$1,561 HKD
$199 USD
As of October 25, 2026
Save HK$6,814 HKD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$8,376 HKD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.01ct lab-grown cushion diamond

This 1.01ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG805634045 or 805634045. Listed at 15 retailers as of October 25, 2026, with prices from HK$1,561 to HK$8,376, a HK$6,814 spread on the same certified stone. Reve Diamonds lists it at HK$8,376. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805634045
Dimensions5.81 × 5.79 × 3.92 mm
L/W Ratio1.00
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
5.81 mm5.79 mm1.01 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805634045
Side View
Table 60.0%Crown 37.4°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 67.7%

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$2,743 HKD|Low: HK$1,373 HKD|High: HK$8,376 HKD|Avg: HK$3,545 HKD|+5.2%
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
Reve Diamonds
October 29, 2026
Retailer 12HK$1,561 HKD
Retailer 9HK$1,569 HKD
Retailer 7HK$2,036 HKD
Retailer 3HK$2,323 HKD
Retailer 6HK$2,686 HKD
Retailer 1HK$2,743 HKD
Retailer 13HK$2,817 HKD
Retailer 8HK$2,966 HKD
Retailer 2HK$4,049 HKD
Retailer 11HK$4,135 HKD
Retailer 5HK$4,472 HKD
Retailer 4HK$5,450 HKD
Retailer 10HK$7,314 HKD
Reve DiamondsHK$8,376 HKD

35 data points across 14 retailers

15 retailersHK$1,561 HKD to HK$8,376 HKD

A
Cheapest Retailer
-
HK$1,561 HKD
$199 USD
A
Retailer 2
-
HK$1,569 HKD
$200 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,036 HKD
£204 GBP
View
A
Retailer 4
-
HK$2,323 HKD
$296 USD
View
A
Retailer 5
-
HK$2,686 HKD
€326 EUR
View
A
Retailer 6
-
HK$2,743 HKD
£275 GBP
View
A
Retailer 7
-
HK$2,817 HKD
$359 USD
View
A
Retailer 8
-
HK$2,966 HKD
£298 GBP
View
B+
Retailer 9
-
HK$4,049 HKD
$516 USD
View
Retailer 10
-
HK$4,109 HKD
$524 USD
View
Price last confirmed 109 days ago
B
Retailer 11
-
HK$4,135 HKD
$527 USD
View
B
Retailer 12
-
HK$4,472 HKD
$570 USD
View
B
Retailer 13
-
HK$5,450 HKD
$695 USD
View
B
Retailer 14
-
HK$7,314 HKD
£734 GBP
View
Most Expensive
B
Reve Diamonds
C4CC612A1 · Oct 28
HK$8,376 HKD
$1,067 USD
View
14 more retailers have this diamond
Prices start from HK$1,561 HKDSave up to HK$6,814 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
1.01ct Cushion
HK$1,561 HKD