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Cushion|Lab Grown|IGI

1.54ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG627446733

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG627446733

Diamond specifications and retailer prices

From $979 NZD
As of November 4, 2026
Save $5,673 NZD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,653 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.54ct lab-grown cushion diamond

This 1.54ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG627446733 or 627446733. Listed at 18 retailers as of November 4, 2026, with prices from $979 to $6,653, a $5,673 spread on the same certified stone. Brilliant Earth lists it at $6,653. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627446733
Dimensions7.50 × 6.00 × 4.26 mm
L/W Ratio1.25
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
7.50 mm6.00 mm1.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627446733
Side View
Table 60.0%Crown 36.3°Girdle: STK-THKPavilion 38.4°Culet: NoneDepth 71.0%

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 4
Current: $6,653 NZD|Low: $979 NZD|High: $6,990 NZD|Avg: $2,590 NZD|-2.1%
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
November 5, 2026
Retailer 6$979 NZD
Retailer 4$1,084 NZD
Retailer 12$1,331 NZD
Retailer 9$1,455 NZD
Retailer 5$1,499 NZD
Retailer 11$1,652 NZD
Retailer 2$1,785 NZD
Retailer 8$1,870 NZD
Retailer 13$2,524 NZD
Retailer 7$2,555 NZD
Retailer 3$3,780 NZD
Retailer 10$4,525 NZD
Retailer 14$4,683 NZD
Brilliant Earth$6,653 NZD

45 data points across 14 retailers

18 retailers$979 NZD to $6,653 NZD

A
Cheapest Retailer
-
$979 NZD
Final sale: no returns
Retailer 2
-
$1,084 NZD
View
Price last confirmed 20 days ago
A
Retailer 3
-
$1,331 NZD
View
A
Retailer 4
-
$1,455 NZD
View
A
Retailer 5
-
$1,499 NZD
View
A
Retailer 6
-
$1,652 NZD
View
A
Retailer 7
-
$1,785 NZD
View
A
Retailer 8
-
$1,870 NZD
View
A
Retailer 9
-
$1,971 NZD
View
A
Retailer 10
-
$2,524 NZD
View
B+
Retailer 11
-
$2,555 NZD
View
B+
Retailer 12
-
$3,532 NZD
View
B+
Retailer 13
-
$3,775 NZD
View
B+
Retailer 14
-
$3,780 NZD
View
B+
Retailer 15
-
$4,525 NZD
View
Retailer 16
-
$4,683 NZD
View
Price last confirmed 17 days ago
Retailer 17
-
$5,045 NZD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
9709984A · Nov 4
$6,653 NZD
$3,750 USD
View
17 more retailers have this diamond
Prices start from $979 NZDSave up to $5,673 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
1.54ct Cushion
$979 NZD