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Cushion|Lab Grown|IGI

1.00ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG825639442

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG825639442

Diamond specifications and retailer prices

From $805 NZD
As of November 3, 2026
Save $3,807 NZD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,612 NZD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1ct lab-grown cushion diamond

This 1ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825639442 or 825639442. Listed at 13 retailers as of November 3, 2026, with prices from $805 to $4,612, a $3,807 spread on the same certified stone. Brilliant Earth lists it at $4,612. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825639442
Dimensions7.01 × 5.25 × 3.40 mm
L/W Ratio1.34
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
7.01 mm5.25 mm1.00 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825639442
Side View
Table 58.0%Crown 31.7°Girdle: MED-STKPavilion 36.7°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
A+
Exceptional
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: Nov 3
Current: $4,612 NZD|Low: $805 NZD|High: $4,630 NZD|Avg: $1,763 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
November 5, 2026
Retailer 13$805 NZD
Retailer 7$915 NZD
Retailer 4$976 NZD
Retailer 5$979 NZD
Retailer 9$1,197 NZD
Retailer 12$1,286 NZD
Retailer 11$1,401 NZD
Retailer 8$1,410 NZD
Retailer 6$1,453 NZD
Retailer 10$1,538 NZD
Retailer 3$2,363 NZD
Retailer 2$3,475 NZD
Brilliant Earth$4,612 NZD

21 data points across 13 retailers

13 retailers$805 NZD to $4,612 NZD

A+
Cheapest Retailer
-
$805 NZD
Final sale: no returns
A
Retailer 2
-
$915 NZD
View
A
Retailer 3
-
$976 NZD
View
Retailer 4
-
$979 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$1,197 NZD
View
A
Retailer 6
-
$1,286 NZD
View
A
Retailer 7
-
$1,401 NZD
View
A
Retailer 8
-
$1,410 NZD
View
A
Retailer 9
-
$1,453 NZD
View
B+
Retailer 10
-
$1,538 NZD
View
B+
Retailer 11
-
$2,363 NZD
View
B
Retailer 12
-
$3,475 NZD
View
Most Expensive
B
Brilliant Earth
21545788A · Nov 3
$4,612 NZD
$2,600 USD
View
12 more retailers have this diamond
Prices start from $805 NZDSave up to $3,807 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+
1.00ct Cushion
$805 NZD