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Cushion|Lab Grown|IGI

1.05ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG831696629

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831696629

Diamond specifications and retailer prices

From $866 NZD
$488 USD
As of October 30, 2026
Save $2,044 NZD (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,910 NZD at Brilliant Earth · As of October 30, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831696629 or 831696629. Listed at 14 retailers as of October 30, 2026, with prices from $866 to $2,910, a $2,044 spread on the same certified stone. Brilliant Earth lists it at $2,910. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831696629
Dimensions7.37 × 5.07 × 3.37 mm
L/W Ratio1.45
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
7.37 mm5.07 mm1.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831696629
Side View
Table 62.0%Crown 34°Girdle: MED-THKPavilion 35.6°Culet: NoneDepth 66.5%

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 30
Current: $2,910 NZD|Low: $544 NZD|High: $2,910 NZD|Avg: $1,539 NZD
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
October 31, 2026
Retailer 13$544 NZD
Retailer 4$866 NZD
Retailer 9$879 NZD
Retailer 3$926 NZD
Retailer 2$965 NZD
Retailer 7$995 NZD
Retailer 12$1,084 NZD
Retailer 10$1,248 NZD
Retailer 6$1,616 NZD
Retailer 14$1,737 NZD
Retailer 8$2,062 NZD
Retailer 11$2,333 NZD
Retailer 5$2,873 NZD
Brilliant Earth$2,910 NZD

19 data points across 14 retailers

14 retailers$866 NZD to $2,910 NZD

Retailer 1
-
$544 NZD
£241 GBP
Price last confirmed 14 days ago
A
Retailer 2
-
$866 NZD
$488 USD
View
A
Retailer 3
-
$879 NZD
ZAR 8,002 ZAR
View
A
Retailer 4
-
$926 NZD
$522 USD
View
A
Retailer 5
-
$965 NZD
£428 GBP
View
A
Retailer 6
-
$995 NZD
€534 EUR
View
A
Retailer 7
-
$1,084 NZD
$611 USD
View
A
Retailer 8
-
$1,248 NZD
A$1,082 AUD
View
B+
Retailer 9
-
$1,616 NZD
SGD 1,231 SGD
View
B+
Retailer 10
-
$1,737 NZD
$979 USD
View
B+
Retailer 11
-
$2,062 NZD
£915 GBP
View
Retailer 12
-
$2,333 NZD
$1,315 USD
View
Price last confirmed 12 days ago
B
Retailer 13
-
$2,873 NZD
$1,619 USD
View
Most Expensive
B
Brilliant Earth
21813562A · Oct 30
$2,910 NZD
$1,640 USD
View
13 more retailers have this diamond
Prices start from $866 NZDSave up to $2,044 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
$866 NZD