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Cushion|Lab Grown|IGI

1.58ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG532249567

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG532249567

Diamond specifications and retailer prices

From HK$1,695 HKD
$216 USD
As of October 28, 2026
Save HK$8,349 HKD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$10,043 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.58ct lab-grown cushion diamond

This 1.58ct 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 LG532249567 or 532249567. Listed at 13 retailers as of October 28, 2026, with prices from HK$1,695 to HK$10,043, a HK$8,349 spread on the same certified stone. Brilliant Earth lists it at HK$10,043. 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

1.58
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG532249567
Dimensions6.44 × 6.43 × 4.37 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
6.44 mm6.43 mm1.58 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG532249567
Side View
Table 62.0%Crown 37.5°Girdle: MED-THKPavilion 33.3°Culet: NoneDepth 68.0%

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$10,043 HKD|Low: HK$1,695 HKD|High: HK$10,750 HKD|Avg: HK$4,539 HKD|-6.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 9HK$1,695 HKD
Retailer 7HK$1,875 HKD
Retailer 4HK$2,527 HKD
Retailer 3HK$3,098 HKD
Retailer 2HK$3,422 HKD
Retailer 10HK$3,764 HKD
Retailer 8HK$4,512 HKD
Retailer 6HK$4,763 HKD
Retailer 5HK$8,829 HKD
Brilliant EarthHK$10,043 HKD

45 data points across 10 retailers

13 retailersHK$1,695 HKD to HK$10,043 HKD

A
Cheapest Retailer
-
HK$1,695 HKD
$216 USD
Final sale: no returns
A
Retailer 2
-
HK$1,875 HKD
$239 USD
View
B+
Retailer 3
-
HK$2,527 HKD
$322 USD
View
A
Retailer 4
-
HK$3,098 HKD
€376 EUR
View
A
Retailer 5
-
HK$3,422 HKD
£343 GBP
View
A
Retailer 6
-
HK$3,764 HKD
$480 USD
View
A
Retailer 7
-
HK$3,821 HKD
$487 USD
View
B+
Retailer 8
-
HK$4,512 HKD
$575 USD
View
B+
Retailer 9
-
HK$4,763 HKD
$607 USD
View
B+
Retailer 10
-
HK$6,458 HKD
$823 USD
View
Retailer 11
-
HK$8,829 HKD
£886 GBP
View
Price last confirmed 9 days ago
B
Retailer 12
-
HK$9,190 HKD
$1,171 USD
View
Most Expensive
B
Brilliant Earth
10788815A · Oct 29
HK$10,043 HKD
$1,280 USD
View
12 more retailers have this diamond
Prices start from HK$1,695 HKDSave up to HK$8,349 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
1.58ct Cushion
HK$1,695 HKD