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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 $705 SGD
As of November 4, 2026
Save $3,754 SGD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,460 SGD 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 $705 to $4,460, a $3,754 spread on the same certified stone. Brilliant Earth lists it at $4,460. 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

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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: $4,460 SGD|Low: $705 SGD|High: $5,725 SGD|Avg: $2,335 SGD|-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$705 SGD
Retailer 9$823 SGD
Retailer 14$958 SGD
Retailer 11$1,169 SGD
Retailer 8$1,286 SGD
Retailer 13$1,347 SGD
Retailer 3$1,818 SGD
Retailer 12$1,840 SGD
Retailer 6$2,474 SGD
Retailer 5$2,719 SGD
Retailer 10$2,723 SGD
Retailer 15$3,160 SGD
Retailer 2$3,252 SGD
Retailer 4$3,374 SGD
Brilliant Earth$4,460 SGD

37 data points across 15 retailers

18 retailers$705 SGD to $4,460 SGD

A
Cheapest Retailer
-
$705 SGD
Final sale: no returns
A
Retailer 2
-
$823 SGD
View
A
Retailer 3
-
$958 SGD
View
A
Retailer 4
-
$1,048 SGD
View
A
Retailer 5
-
$1,169 SGD
View
A
Retailer 6
-
$1,286 SGD
View
A
Retailer 7
-
$1,347 SGD
View
A
Retailer 8
-
$1,420 SGD
View
A
Retailer 9
-
$1,818 SGD
View
B+
Retailer 10
-
$1,840 SGD
View
B+
Retailer 11
-
$2,474 SGD
View
B+
Retailer 12
-
$2,544 SGD
View
B+
Retailer 13
-
$2,719 SGD
View
B+
Retailer 14
-
$2,723 SGD
View
B+
Retailer 15
-
$3,160 SGD
View
B+
Retailer 16
-
$3,252 SGD
View
Retailer 17
-
$3,374 SGD
View
Price last confirmed 17 days ago
Most Expensive
B
Brilliant Earth
22183846A · Nov 4
$4,460 SGD
$3,490 USD
View
17 more retailers have this diamond
Prices start from $705 SGDSave up to $3,754 SGD

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
$705 SGD