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Cushion|Lab Grown|IGI

1.67ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG522222348

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG522222348

Diamond specifications and retailer prices

From HK$1,765 HKD
$225 USD
As of October 28, 2026
Save HK$7,660 HKD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$9,425 HKD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.67ct lab-grown cushion diamond

This 1.67ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG522222348 or 522222348. Listed at 14 retailers as of October 28, 2026, with prices from HK$1,765 to HK$9,425, a HK$7,660 spread on the same certified stone. Reve Diamonds lists it at HK$9,425. 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

1.67
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle29.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522222348
Dimensions6.93 × 6.57 × 4.14 mm
L/W Ratio1.05
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
6.93 mm6.57 mm1.67 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522222348
Side View
Table 61.5%Crown 34.4°Girdle: THK-VTKPavilion 29.1°Culet: NoneDepth 63.0%

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 28
Current: HK$3,605 HKD|Low: HK$1,765 HKD|High: HK$9,573 HKD|Avg: HK$4,555 HKD|+4.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 2HK$1,765 HKD
Retailer 10HK$1,969 HKD
Retailer 6HK$2,652 HKD
Retailer 4HK$3,238 HKD
Retailer 1HK$3,605 HKD
Retailer 3HK$3,978 HKD
Retailer 8HK$4,223 HKD
Retailer 11HK$4,622 HKD
Retailer 7HK$5,037 HKD
Retailer 5HK$9,257 HKD
Retailer 9HK$9,337 HKD

43 data points across 11 retailers

14 retailersHK$1,765 HKD to HK$9,425 HKD

A
Cheapest Retailer
-
HK$1,765 HKD
$225 USD
Final sale: no returns
A
Retailer 2
-
HK$1,969 HKD
$251 USD
View
B+
Retailer 3
-
HK$2,652 HKD
$338 USD
View
A
Retailer 4
-
HK$3,238 HKD
€393 EUR
View
A
Retailer 5
-
HK$3,605 HKD
£362 GBP
View
A
Retailer 6
-
HK$3,978 HKD
$507 USD
View
A
Retailer 7
-
HK$4,221 HKD
$538 USD
View
A
Retailer 8
-
HK$4,223 HKD
A$828 AUD
View
B+
Retailer 9
-
HK$4,622 HKD
$589 USD
View
B+
Retailer 10
-
HK$5,037 HKD
$642 USD
View
B
Retailer 11
-
HK$6,749 HKD
$860 USD
View
B
Retailer 12
-
HK$9,257 HKD
£929 GBP
View
B
Retailer 13
-
HK$9,337 HKD
$1,190 USD
View
Most Expensive
B
Reve Diamonds
56E57FFEB · Oct 28
HK$9,425 HKD
$1,201 USD
View
13 more retailers have this diamond
Prices start from HK$1,765 HKDSave up to HK$7,660 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
1.67ct Cushion
HK$1,765 HKD