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Cushion|Lab Grown|IGI

1.07ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG818662851

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

Certificate IGI LG818662851

Diamond specifications and retailer prices

From $660 NZD
$372 USD
As of October 30, 2026
Save $2,764 NZD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,424 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.07ct lab-grown cushion diamond

This 1.07ct 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 LG818662851 or 818662851. Listed at 15 retailers as of October 30, 2026, with prices from $660 to $3,424, a $2,764 spread on the same certified stone. Brilliant Earth lists it at $3,424. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.07
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818662851
Dimensions6.20 × 6.07 × 3.86 mm
L/W Ratio1.02
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
6.20 mm6.07 mm1.07 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818662851
Side View
Table 64.0%Crown 35°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 63.6%

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 30
Current: $3,424 NZD|Low: $660 NZD|High: $3,850 NZD|Avg: $1,728 NZD|-11.1%
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 14$660 NZD
Retailer 2$776 NZD
Retailer 7$820 NZD
Retailer 12$1,002 NZD
Retailer 3$1,182 NZD
Retailer 13$1,182 NZD
Retailer 9$1,190 NZD
Retailer 10$1,258 NZD
Retailer 5$1,288 NZD
Retailer 8$1,311 NZD
Retailer 4$2,430 NZD
Retailer 6$2,431 NZD
Retailer 11$2,869 NZD
Retailer 15$2,936 NZD
Brilliant Earth$3,424 NZD

36 data points across 15 retailers

15 retailers$660 NZD to $3,424 NZD

A
Cheapest Retailer
-
$660 NZD
$372 USD
Final sale: no returns
A
Retailer 2
-
$776 NZD
£344 GBP
View
Retailer 3
-
$820 NZD
$462 USD
View
Price last confirmed 18 days ago
A
Retailer 4
-
$1,002 NZD
$565 USD
View
A
Retailer 5
-
$1,182 NZD
$666 USD
View
A
Retailer 6
-
$1,182 NZD
$666 USD
View
A
Retailer 7
-
$1,190 NZD
€639 EUR
View
A
Retailer 8
-
$1,258 NZD
ZAR 11,450 ZAR
View
A
Retailer 9
-
$1,288 NZD
$726 USD
View
A
Retailer 10
-
$1,311 NZD
£582 GBP
View
B+
Retailer 11
-
$2,430 NZD
$1,370 USD
View
Retailer 12
-
$2,431 NZD
$1,370 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
$2,869 NZD
$1,617 USD
View
B
Retailer 14
-
$2,936 NZD
£1,303 GBP
View
Most Expensive
B
Brilliant Earth
21242456A · Oct 30
$3,424 NZD
$1,930 USD
View
14 more retailers have this diamond
Prices start from $660 NZDSave up to $2,764 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
1.07ct Cushion
$660 NZD