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Cushion|Lab Grown|IGI

1.55ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG797698759

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG797698759

Diamond specifications and retailer prices

From HK$4,539 HKD
€551 EUR
As of October 31, 2026
Save HK$7,535 HKD (62%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$12,075 HKD at With Clarity · As of October 31, 2026
View at With Clarity

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG797698759 or 797698759. Listed at 10 retailers as of October 31, 2026, with prices from HK$4,539 to HK$12,075, a HK$7,535 spread on the same certified stone. With Clarity lists it at HK$12,075. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797698759
Dimensions8.57 × 5.89 × 3.98 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.57 mm5.89 mm1.55 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797698759
Side View
Table 59.0%Crown 34.6°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 67.6%

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 31
Current: HK$4,539 HKD|Low: HK$2,874 HKD|High: HK$13,777 HKD|Avg: HK$9,141 HKD|-2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
With Clarity
October 31, 2026
Retailer 7HK$2,874 HKD
Retailer 1HK$4,539 HKD
Retailer 9HK$5,421 HKD
Retailer 11HK$6,213 HKD
Retailer 6HK$6,456 HKD
Retailer 4HK$9,925 HKD
Retailer 8HK$9,925 HKD
Retailer 5HK$11,190 HKD
Retailer 3HK$11,249 HKD
Retailer 10HK$11,542 HKD
With ClarityHK$12,075 HKD
Retailer 2HK$13,777 HKD

23 data points across 12 retailers

10 retailersHK$4,539 HKD to HK$12,075 HKD

Retailer 1
-
HK$2,874 HKD
£288 GBP
Price last confirmed 15 days ago
A
Retailer 2
-
HK$4,539 HKD
€551 EUR
View
A
Retailer 3
-
HK$5,421 HKD
$691 USD
View
A
Retailer 4
-
HK$6,456 HKD
A$1,266 AUD
View
A
Retailer 5
-
HK$9,925 HKD
$1,265 USD
View
B+
Retailer 6
-
HK$9,925 HKD
$1,265 USD
View
B+
Retailer 7
-
HK$11,062 HKD
$1,410 USD
View
A
Retailer 8
-
HK$11,190 HKD
£1,123 GBP
View
Retailer 9
-
HK$11,542 HKD
SGD 1,988 SGD
View
Price last confirmed 20 days ago
Most Expensive
B+
With Clarity
797698759 · Oct 31
HK$12,075 HKD
$1,539 USD
View
9 more retailers have this diamond
Prices start from HK$4,539 HKDSave up to HK$7,535 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$4,539 HKD