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Cushion|Lab Grown|IGI

1.05ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG818640096

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818640096

Diamond specifications and retailer prices

From $907 NZD
$511 USD
As of October 30, 2026
Save $3,050 NZD (77%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,957 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.05ct lab-grown cushion diamond

This 1.05ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818640096 or 818640096. Listed at 17 retailers as of October 29, 2026, with prices from $907 to $3,957, a $3,050 spread on the same certified stone. Brilliant Earth lists it at $3,957. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818640096
Dimensions6.97 × 5.36 × 3.58 mm
L/W Ratio1.30
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
6.97 mm5.36 mm1.05 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818640096
Side View
Table 65.0%Crown 34.7°Girdle: MED-THKPavilion 39.6°Culet: NoneDepth 66.8%

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 30
Current: $3,957 NZD|Low: $720 NZD|High: $4,730 NZD|Avg: $2,189 NZD|-0.4%
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
Retailer 16
October 30, 2026
Retailer 14$907 NZD
Retailer 12$1,022 NZD
Retailer 15$1,222 NZD
Retailer 5$1,256 NZD
Retailer 7$1,260 NZD
Retailer 4$1,393 NZD
Retailer 9$1,481 NZD
Retailer 2$1,664 NZD
Retailer 11$1,728 NZD
Retailer 13$2,260 NZD
Retailer 6$2,476 NZD
Retailer 8$3,272 NZD
Retailer 3$3,287 NZD
Retailer 16$3,572 NZD
Retailer 10$3,714 NZD
Brilliant Earth$3,957 NZD

40 data points across 16 retailers

17 retailers$907 NZD to $3,957 NZD

A
Cheapest Retailer
-
$907 NZD
$511 USD
Final sale: no returns
A
Retailer 2
-
$1,022 NZD
HK$4,500 HKD
View
A
Retailer 3
-
$1,222 NZD
$689 USD
View
A
Retailer 4
-
$1,256 NZD
$708 USD
View
A
Retailer 5
-
$1,260 NZD
$710 USD
View
A
Retailer 6
-
$1,393 NZD
$785 USD
View
A
Retailer 7
-
$1,481 NZD
€795 EUR
View
B+
Retailer 8
-
$1,664 NZD
£739 GBP
View
B+
Retailer 9
-
$1,728 NZD
ZAR 15,729 ZAR
View
B+
Retailer 10
-
$2,260 NZD
$1,274 USD
View
Retailer 11
-
$2,320 NZD
$1,308 USD
View
Price last confirmed 51 days ago
B+
Retailer 12
-
$2,476 NZD
SGD 1,886 SGD
View
Retailer 13
-
$3,272 NZD
£1,452 GBP
View
Price last confirmed 14 days ago
B
Retailer 14
-
$3,287 NZD
$1,853 USD
View
B
Retailer 15
-
$3,572 NZD
$2,013 USD
View
B
Retailer 16
-
$3,714 NZD
£1,648 GBP
View
Most Expensive
B
Brilliant Earth
21086526A · Oct 29
$3,957 NZD
$2,230 USD
View
16 more retailers have this diamond
Prices start from $907 NZDSave up to $3,050 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
1.05ct Cushion
$907 NZD