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Cushion|Lab Grown|IGI

1.05ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG665409443

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG665409443

Diamond specifications and retailer prices

From $683 NZD
$385 USD
As of October 31, 2026
Save $2,192 NZD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,282 NZD at Brilliant Earth · As of October 12, 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 LG665409443 or 665409443. Listed at 16 retailers as of October 29, 2026, with a 321% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle32.8°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665409443
Dimensions7.00 × 5.27 × 3.53 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
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
7.00 mm5.27 mm1.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665409443
Side View
Table 59.0%Crown 32.8°Girdle: STK-THKPavilion 37.3°Culet: NoneDepth 67.0%

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: $3,282 NZD|Low: $639 NZD|High: $3,282 NZD|Avg: $1,630 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
Retailer 15
October 31, 2026
Retailer 8$683 NZD
Retailer 14$1,082 NZD
Retailer 3$1,137 NZD
Retailer 15$1,141 NZD
Retailer 5$1,159 NZD
Retailer 2$1,187 NZD
Retailer 13$1,226 NZD
Retailer 9$1,265 NZD
Retailer 12$1,733 NZD
Retailer 11$1,814 NZD
Retailer 4$1,854 NZD
Retailer 7$2,374 NZD
Retailer 6$2,822 NZD
Retailer 10$2,875 NZD
Brilliant Earth$3,282 NZD

39 data points across 15 retailers

16 retailers$683 NZD to $2,875 NZD

A
Cheapest Retailer
-
$683 NZD
$385 USD
Final sale: no returns
A
Retailer 2
-
$1,082 NZD
$610 USD
View
A
Retailer 3
-
$1,137 NZD
$641 USD
View
A
Retailer 4
-
$1,141 NZD
$643 USD
View
A
Retailer 5
-
$1,159 NZD
$653 USD
View
A
Retailer 6
-
$1,187 NZD
€637 EUR
View
A
Retailer 7
-
$1,226 NZD
ZAR 11,166 ZAR
View
A
Retailer 8
-
$1,265 NZD
£561 GBP
View
B+
Retailer 9
-
$1,733 NZD
A$1,503 AUD
View
B+
Retailer 10
-
$1,814 NZD
A$1,573 AUD
View
B+
Retailer 11
-
$1,854 NZD
$1,045 USD
View
B
Retailer 12
-
$2,374 NZD
$1,338 USD
View
B
Retailer 13
-
$2,699 NZD
$1,521 USD
View
B
Retailer 14
-
$2,822 NZD
$1,591 USD
View
B
Retailer 15
-
$2,875 NZD
£1,276 GBP
View
Most Expensive
Brilliant Earth
14719488A · Oct 12
$3,282 NZD
$1,850 USD
View
Price last confirmed 19 days ago
15 more retailers have this diamond
Prices start from $683 NZDSave up to $2,192 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
$683 NZD