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Cushion|Lab Grown|IGI

1.91ct D IF Cushion Lab Grown Diamond

GD • D/IF • IGI LG841678154

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG841678154

Diamond specifications and retailer prices

From $928 AUD
£513 GBP
As of November 1, 2026
Save $4,766 AUD (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,694 AUD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.91ct lab-grown cushion diamond

This 1.91ct 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 standard cut grade and certified by IGI LG841678154 or 841678154. Listed at 15 retailers as of November 1, 2026, with prices from $928 to $5,694, a $4,766 spread on the same certified stone. Do Amore Diamonds lists it at $5,694. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.91
Carat
D
Colour
IF
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841678154
Dimensions9.33 × 6.11 × 4.12 mm
L/W Ratio1.53
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
9.33 mm6.11 mm1.91 ctD / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841678154
Side View
Table 59.0%Crown 33.8°Girdle: THK-VTKPavilion 34.6°Culet: NoneDepth 67.4%

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 1
Current: $5,694 AUD|Low: $928 AUD|High: $15,793 AUD|Avg: $3,274 AUD|-19.5%
Do Amore Diamonds
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 1, 2026
Retailer 9$928 AUD
Retailer 12$997 AUD
Retailer 15$1,028 AUD
Retailer 16$1,246 AUD
Retailer 10$1,368 AUD
Retailer 4$1,805 AUD
Retailer 14$2,044 AUD
Retailer 3$2,307 AUD
Retailer 2$3,665 AUD
Retailer 7$4,015 AUD
Retailer 8$4,417 AUD
Retailer 6$4,506 AUD
Retailer 11$4,794 AUD
Retailer 5$5,072 AUD
Retailer 13$5,495 AUD
Do Amore Diamonds$5,694 AUD

24 data points across 16 retailers

15 retailers$928 AUD to $5,694 AUD

A
Cheapest Retailer
-
$928 AUD
£513 GBP
A
Retailer 2
-
$997 AUD
$700 USD
View
A
Retailer 3
-
$1,028 AUD
$722 USD
View
A
Retailer 4
-
$1,246 AUD
$875 USD
View
A
Retailer 5
-
$1,368 AUD
€915 EUR
View
A
Retailer 6
-
$1,805 AUD
$1,268 USD
View
B+
Retailer 7
-
$2,044 AUD
View
B+
Retailer 8
-
$2,307 AUD
$1,621 USD
View
B
Retailer 9
-
$3,665 AUD
£2,027 GBP
View
Retailer 10
-
$4,015 AUD
$2,820 USD
View
Price last confirmed 16 days ago
B
Retailer 11
-
$4,506 AUD
$3,165 USD
View
B
Retailer 12
-
$4,794 AUD
View
B
Retailer 13
-
$5,072 AUD
$3,563 USD
View
B
Retailer 14
-
$5,495 AUD
$3,860 USD
View
Most Expensive
B
Do Amore Diamonds
27-48A7540F9 · Nov 2
$5,694 AUD
$4,000 USD
View
14 more retailers have this diamond
Prices start from $928 AUDSave up to $4,766 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
1.91ct Cushion
$928 AUD