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Cushion|Lab Grown|IGI

1.55ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG828682092

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

Certificate IGI LG828682092

Diamond specifications and retailer prices

From $1,312 NZD
€704 EUR
As of October 31, 2026
Save $3,124 NZD (70%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,436 NZD 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 LG828682092 or 828682092. Listed at 9 retailers as of October 31, 2026, with prices from $1,312 to $4,436, a $3,124 spread on the same certified stone. Brilliant Earth lists it at $4,436. 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 angle35.9°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828682092
Dimensions6.83 × 6.73 × 4.47 mm
L/W Ratio1.01
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
6.83 mm6.73 mm1.55 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828682092
Side View
Table 61.0%Crown 35.9°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 66.4%

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 31
Current: $4,436 NZD|Low: $1,310 NZD|High: $4,436 NZD|Avg: $2,638 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 2$1,312 NZD
Retailer 8$1,966 NZD
Retailer 3$2,083 NZD
Retailer 4$2,682 NZD
Retailer 6$2,777 NZD
Retailer 9$2,829 NZD
Retailer 5$2,945 NZD
Retailer 7$4,152 NZD
Brilliant Earth$4,436 NZD

24 data points across 9 retailers

9 retailers$1,312 NZD to $4,436 NZD

A
Cheapest Retailer
-
$1,312 NZD
€704 EUR
A
Retailer 2
-
$1,966 NZD
$1,108 USD
View
A
Retailer 3
-
$2,083 NZD
$1,174 USD
View
B+
Retailer 4
-
$2,682 NZD
SGD 2,043 SGD
View
B+
Retailer 5
-
$2,777 NZD
$1,565 USD
View
Retailer 6
-
$2,829 NZD
A$2,453 AUD
View
Price last confirmed 24 days ago
B+
Retailer 7
-
$2,945 NZD
$1,660 USD
View
Retailer 8
-
$4,152 NZD
$2,340 USD
View
Price last confirmed 10 days ago
Most Expensive
B+
Brilliant Earth
22238923A · Oct 31
$4,436 NZD
$2,500 USD
View
8 more retailers have this diamond
Prices start from $1,312 NZDSave up to $3,124 NZD

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
$1,312 NZD