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Cushion|Lab Grown|IGI

1.55ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG825633211

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

Certificate IGI LG825633211

Diamond specifications and retailer prices

From HK$3,546 HKD
$452 USD
As of October 30, 2026
Save HK$18,500 HKD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$22,046 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG825633211 or 825633211. Listed at 13 retailers as of October 30, 2026, with prices from HK$3,546 to HK$22,046, a HK$18,500 spread on the same certified stone. Brilliant Earth lists it at HK$22,046. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825633211
Dimensions6.73 × 6.55 × 4.17 mm
L/W Ratio1.03
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
6.73 mm6.55 mm1.55 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825633211
Side View
Table 60.0%Crown 34.8°Girdle: STK-THKPavilion 34°Culet: NoneDepth 63.7%

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 30
Current: HK$22,046 HKD|Low: HK$3,546 HKD|High: HK$24,714 HKD|Avg: HK$11,336 HKD|-9.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 11HK$3,546 HKD
Retailer 6HK$4,055 HKD
Retailer 9HK$5,100 HKD
Retailer 5HK$5,296 HKD
Retailer 7HK$6,473 HKD
Retailer 8HK$6,870 HKD
Retailer 4HK$8,638 HKD
Retailer 12HK$14,492 HKD
Retailer 10HK$14,742 HKD
Retailer 2HK$15,384 HKD
Retailer 3HK$18,477 HKD
Brilliant EarthHK$22,046 HKD

41 data points across 12 retailers

13 retailersHK$3,546 HKD to HK$22,046 HKD

A
Cheapest Retailer
-
HK$3,546 HKD
$452 USD
Final sale: no returns
A
Retailer 2
-
HK$4,055 HKD
£407 GBP
View
A
Retailer 3
-
HK$5,100 HKD
$650 USD
View
A
Retailer 4
-
HK$5,296 HKD
$675 USD
View
A
Retailer 5
-
HK$6,473 HKD
£650 GBP
View
A
Retailer 6
-
HK$6,870 HKD
€834 EUR
View
A
Retailer 7
-
HK$8,638 HKD
$1,101 USD
View
B+
Retailer 8
-
HK$12,937 HKD
$1,649 USD
View
B+
Retailer 9
-
HK$14,492 HKD
$1,847 USD
View
B+
Retailer 10
-
HK$14,742 HKD
$1,879 USD
View
B+
Retailer 11
-
HK$15,384 HKD
£1,544 GBP
View
Retailer 12
-
HK$18,477 HKD
$2,355 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21322734A · Oct 31
HK$22,046 HKD
$2,810 USD
View
12 more retailers have this diamond
Prices start from HK$3,546 HKDSave up to HK$18,500 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$3,546 HKD