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Cushion|Lab Grown|IGI

1.45ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG818681448

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818681448

Diamond specifications and retailer prices

From $1,366 NZD
As of November 5, 2026
Save $5,216 NZD (79%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,582 NZD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.45ct lab-grown cushion diamond

This 1.45ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818681448 or 818681448. Listed at 8 retailers as of November 4, 2026, with prices from $1,366 to $6,582, a $5,216 spread on the same certified stone. Do Amore Diamonds lists it at $6,582. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818681448
Dimensions7.93 × 6.13 × 3.88 mm
L/W Ratio1.29
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
7.93 mm6.13 mm1.45 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818681448
Side View
Table 54.0%Crown 33.2°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 63.3%

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: Nov 5
Current: $6,582 NZD|Low: $1,224 NZD|High: $7,610 NZD|Avg: $3,532 NZD|-6.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 7$1,366 NZD
Retailer 5$1,453 NZD
Retailer 8$1,581 NZD
Retailer 3$1,632 NZD
Retailer 9$3,626 NZD
Retailer 2$3,718 NZD
Retailer 6$3,894 NZD
Retailer 4$5,340 NZD
Do Amore Diamonds$6,582 NZD

27 data points across 9 retailers

8 retailers$1,366 NZD to $6,582 NZD

A
Cheapest Retailer
-
$1,366 NZD
A
Retailer 2
-
$1,453 NZD
View
A
Retailer 3
-
$1,581 NZD
View
A
Retailer 4
-
$1,632 NZD
View
B+
Retailer 5
-
$3,718 NZD
View
B
Retailer 6
-
$3,894 NZD
View
B
Retailer 7
-
$5,340 NZD
View
Most Expensive
B
Do Amore Diamonds
27-A537BD4D2 · Nov 4
$6,582 NZD
$3,710 USD
View
7 more retailers have this diamond
Prices start from $1,366 NZDSave up to $5,216 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
1.45ct Cushion
$1,366 NZD