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Cushion|Lab Grown|IGI

1.55ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG825659979

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG825659979

Diamond specifications and retailer prices

From $1,304 NZD
$735 USD
As of October 31, 2026
Save $4,462 NZD (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,766 NZD at Brilliant Earth · As of October 30, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825659979 or 825659979. Listed at 15 retailers as of October 30, 2026, with prices from $1,304 to $5,766, a $4,462 spread on the same certified stone. Brilliant Earth lists it at $5,766. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.8°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825659979
Dimensions8.34 × 5.97 × 4.04 mm
L/W Ratio1.40
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
8.34 mm5.97 mm1.55 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825659979
Side View
Table 60.0%Crown 30.8°Girdle: MED-THKPavilion 36°Culet: NoneDepth 67.7%

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: $5,766 NZD|Low: $1,128 NZD|High: $7,204 NZD|Avg: $3,232 NZD|-20.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 6$1,128 NZD
Retailer 15$1,304 NZD
Retailer 9$1,699 NZD
Retailer 8$1,748 NZD
Retailer 5$1,749 NZD
Retailer 11$1,939 NZD
Retailer 3$2,017 NZD
Retailer 14$2,631 NZD
Retailer 4$3,299 NZD
Retailer 12$3,663 NZD
Retailer 7$3,671 NZD
Retailer 2$4,054 NZD
Retailer 10$4,737 NZD
Retailer 13$4,746 NZD
Brilliant Earth$5,766 NZD

33 data points across 15 retailers

15 retailers$1,304 NZD to $5,766 NZD

Retailer 1
-
$1,128 NZD
$636 USD
Price last confirmed 14 days ago
A
Retailer 2
-
$1,304 NZD
$735 USD
View
A
Retailer 3
-
$1,699 NZD
€912 EUR
View
A
Retailer 4
-
$1,748 NZD
£776 GBP
View
A
Retailer 5
-
$1,749 NZD
$986 USD
View
A
Retailer 6
-
$1,939 NZD
ZAR 17,657 ZAR
View
A
Retailer 7
-
$2,017 NZD
$1,137 USD
View
A
Retailer 8
-
$2,631 NZD
$1,483 USD
View
B+
Retailer 9
-
$3,299 NZD
£1,464 GBP
View
B+
Retailer 10
-
$3,663 NZD
SGD 2,790 SGD
View
B+
Retailer 11
-
$3,671 NZD
$2,069 USD
View
B+
Retailer 12
-
$4,054 NZD
$2,285 USD
View
B+
Retailer 13
-
$4,737 NZD
£2,102 GBP
View
Retailer 14
-
$4,746 NZD
$2,675 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21418429A · Oct 30
$5,766 NZD
$3,250 USD
View
14 more retailers have this diamond
Prices start from $1,304 NZDSave up to $4,462 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
$1,304 NZD