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Cushion|Lab Grown|IGI

1.04ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG840630407

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

Certificate IGI LG840630407

Diamond specifications and retailer prices

From $604 NZD
$339 USD
As of October 30, 2026
Save $3,296 NZD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,899 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.04ct lab-grown cushion diamond

This 1.04ct 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 LG840630407 or 840630407. Listed at 16 retailers as of October 29, 2026, with prices from $604 to $3,899, a $3,296 spread on the same certified stone. Brilliant Earth lists it at $3,899. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840630407
Dimensions5.83 × 5.82 × 3.63 mm
L/W Ratio1.00
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
5.83 mm5.82 mm1.04 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840630407
Side View
Table 65.0%Crown 34.2°Girdle: MED-THKPavilion 34.9°Culet: NoneDepth 62.4%

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: $3,899 NZD|Low: $604 NZD|High: $3,917 NZD|Avg: $1,815 NZD|-0.5%
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 4$604 NZD
Retailer 2$709 NZD
Retailer 12$1,015 NZD
Retailer 5$1,091 NZD
Retailer 16$1,097 NZD
Retailer 10$1,105 NZD
Retailer 14$1,115 NZD
Retailer 11$1,149 NZD
Retailer 9$1,187 NZD
Retailer 6$1,802 NZD
Retailer 3$2,233 NZD
Retailer 7$2,368 NZD
Retailer 15$2,420 NZD
Retailer 13$2,682 NZD
Retailer 8$3,328 NZD
Brilliant Earth$3,899 NZD

18 data points across 16 retailers

16 retailers$604 NZD to $3,899 NZD

A
Cheapest Retailer
-
$604 NZD
$339 USD
Final sale: no returns
A
Retailer 2
-
$709 NZD
£314 GBP
View
A
Retailer 3
-
$1,015 NZD
$570 USD
View
A
Retailer 4
-
$1,091 NZD
$613 USD
View
A
Retailer 5
-
$1,097 NZD
$616 USD
View
A
Retailer 6
-
$1,105 NZD
€591 EUR
View
A
Retailer 7
-
$1,115 NZD
$626 USD
View
A
Retailer 8
-
$1,149 NZD
ZAR 10,421 ZAR
View
A
Retailer 9
-
$1,187 NZD
£525 GBP
View
B+
Retailer 10
-
$1,802 NZD
SGD 1,368 SGD
View
B+
Retailer 11
-
$2,233 NZD
$1,254 USD
View
Retailer 12
-
$2,368 NZD
$1,330 USD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
$2,420 NZD
$1,359 USD
View
B+
Retailer 14
-
$2,682 NZD
£1,186 GBP
View
B
Retailer 15
-
$3,328 NZD
$1,869 USD
View
Most Expensive
B
Brilliant Earth
21813544A · Oct 29
$3,899 NZD
$2,190 USD
View
15 more retailers have this diamond
Prices start from $604 NZDSave up to $3,296 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
1.04ct Cushion
$604 NZD