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Cushion|Lab Grown|IGI

1.55ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG549293769

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG549293769

Diamond specifications and retailer prices

From HK$2,605 HKD
$332 USD
As of October 30, 2026
Save HK$361 HKD (12%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$8,619 HKD at MOH London · As of October 21, 2026
View at MOH London

About this 1.55ct lab-grown cushion diamond

This 1.55ct 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 LG549293769 or 549293769. Listed at 5 retailers as of October 30, 2026, with a relatively tight 14% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

1.55
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG549293769
Dimensions8.26 × 6.02 × 4.07 mm
L/W Ratio1.37
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
8.26 mm6.02 mm1.55 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG549293769
Side View
Table 60.0%Crown 32.7°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 67.6%

Caratlytics Score

How it works →
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 30
Current: HK$8,619 HKD|Low: HK$2,605 HKD|High: HK$8,679 HKD|Avg: HK$4,905 HKD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 24, 2026
Retailer 4HK$2,605 HKD
Retailer 2HK$2,966 HKD
Retailer 3HK$3,838 HKD
Retailer 6HK$3,899 HKD
Retailer 5HK$8,226 HKD
MOH LondonHK$8,619 HKD

36 data points across 6 retailers

5 retailersHK$2,605 HKD to HK$2,966 HKD

B+
Cheapest Retailer
-
HK$2,605 HKD
$332 USD
A
Retailer 2
-
HK$2,966 HKD
$378 USD
View
Retailer 3
-
HK$3,838 HKD
£385 GBP
View
Price last confirmed 7 days ago
Retailer 4
-
HK$8,226 HKD
$1,049 USD
View
Price last confirmed 7 days ago
Most Expensive
MOH London
LG549293769 · Oct 21
HK$8,619 HKD
£865 GBP
View
Price last confirmed 9 days ago
4 more retailers have this diamond
Prices start from HK$2,605 HKDSave up to HK$361 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
1.55ct Cushion
HK$2,605 HKD