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Cushion|Lab Grown|IGI

1.54ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG836682121

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836682121

Diamond specifications and retailer prices

From $787 AUD
As of November 4, 2026
Save $4,188 AUD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,975 AUD 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 LG836682121 or 836682121. Listed at 18 retailers as of November 4, 2026, with prices from $787 to $4,975, a $4,188 spread on the same certified stone. Brilliant Earth lists it at $4,975. 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 angle35.7°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836682121
Dimensions7.95 × 5.90 × 3.91 mm
L/W Ratio1.35
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
7.95 mm5.90 mm1.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836682121
Side View
Table 62.0%Crown 35.7°Girdle: MED-STKPavilion 32.6°Culet: NoneDepth 66.3%

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 4
Current: $4,975 AUD|Low: $787 AUD|High: $6,386 AUD|Avg: $2,604 AUD|-22.1%
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
Retailer 15
November 5, 2026
Retailer 7$787 AUD
Retailer 9$918 AUD
Retailer 14$1,069 AUD
Retailer 11$1,304 AUD
Retailer 8$1,434 AUD
Retailer 13$1,502 AUD
Retailer 3$2,028 AUD
Retailer 12$2,053 AUD
Retailer 6$2,760 AUD
Retailer 5$3,033 AUD
Retailer 10$3,038 AUD
Retailer 15$3,525 AUD
Retailer 2$3,628 AUD
Retailer 4$3,763 AUD
Brilliant Earth$4,975 AUD

37 data points across 15 retailers

18 retailers$787 AUD to $4,975 AUD

A
Cheapest Retailer
-
$787 AUD
Final sale: no returns
A
Retailer 2
-
$918 AUD
View
A
Retailer 3
-
$1,069 AUD
View
A
Retailer 4
-
$1,169 AUD
View
A
Retailer 5
-
$1,304 AUD
View
A
Retailer 6
-
$1,434 AUD
View
A
Retailer 7
-
$1,502 AUD
View
A
Retailer 8
-
$1,584 AUD
View
A
Retailer 9
-
$2,028 AUD
View
B+
Retailer 10
-
$2,053 AUD
View
B+
Retailer 11
-
$2,760 AUD
View
B+
Retailer 12
-
$2,838 AUD
View
B+
Retailer 13
-
$3,033 AUD
View
B+
Retailer 14
-
$3,038 AUD
View
B+
Retailer 15
-
$3,525 AUD
View
B+
Retailer 16
-
$3,628 AUD
View
Retailer 17
-
$3,763 AUD
View
Price last confirmed 17 days ago
Most Expensive
B
Brilliant Earth
22183846A · Nov 4
$4,975 AUD
$3,490 USD
View
17 more retailers have this diamond
Prices start from $787 AUDSave up to $4,188 AUD

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
$787 AUD