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Cushion|Lab Grown|IGI

1.53ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG818681100

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818681100

Diamond specifications and retailer prices

From $1,295 NZD
As of November 5, 2026
Save $4,382 NZD (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,677 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.53ct lab-grown cushion diamond

This 1.53ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818681100 or 818681100. Listed at 16 retailers as of November 4, 2026, with prices from $1,295 to $5,677, a $4,382 spread on the same certified stone. Brilliant Earth lists it at $5,677. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818681100
Dimensions8.60 × 5.78 × 3.81 mm
L/W Ratio1.49
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
8.60 mm5.78 mm1.53 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818681100
Side View
Table 61.0%Crown 32.7°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 65.9%

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: $5,677 NZD|Low: $1,229 NZD|High: $8,675 NZD|Avg: $3,092 NZD|-34.6%
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
November 5, 2026
Retailer 8$1,229 NZD
Retailer 3$1,295 NZD
Retailer 6$1,517 NZD
Retailer 13$1,542 NZD
Retailer 9$1,607 NZD
Retailer 2$1,689 NZD
Retailer 15$1,937 NZD
Retailer 4$1,960 NZD
Retailer 10$2,407 NZD
Retailer 5$3,271 NZD
Retailer 14$3,360 NZD
Retailer 11$3,392 NZD
Retailer 12$3,587 NZD
Retailer 16$4,687 NZD
Retailer 7$4,816 NZD
Brilliant Earth$5,677 NZD

30 data points across 16 retailers

16 retailers$1,295 NZD to $5,677 NZD

Retailer 1
-
$1,229 NZD
Price last confirmed 20 days ago
A
Retailer 2
-
$1,295 NZD
View
A
Retailer 3
-
$1,517 NZD
View
A
Retailer 4
-
$1,542 NZD
View
A
Retailer 5
-
$1,607 NZD
View
A
Retailer 6
-
$1,689 NZD
View
A
Retailer 7
-
$1,937 NZD
View
A
Retailer 8
-
$1,960 NZD
View
A
Retailer 9
-
$2,407 NZD
View
B+
Retailer 10
-
$3,271 NZD
View
B+
Retailer 11
-
$3,360 NZD
View
B+
Retailer 12
-
$3,392 NZD
View
B+
Retailer 13
-
$3,587 NZD
View
B+
Retailer 14
-
$4,687 NZD
View
Retailer 15
-
$4,816 NZD
View
Price last confirmed 15 days ago
Most Expensive
B
Brilliant Earth
21418369A · Nov 4
$5,677 NZD
$3,200 USD
View
15 more retailers have this diamond
Prices start from $1,295 NZDSave up to $4,382 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
1.53ct Cushion
$1,295 NZD