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Cushion|Lab Grown|IGI

1.90ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG727508467

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG727508467

Diamond specifications and retailer prices

From $712 AUD
$500 USD
As of October 30, 2026
Save $4,755 AUD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,467 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.9ct lab-grown cushion diamond

This 1.9ct 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 LG727508467 or 727508467. Listed at 13 retailers as of October 30, 2026, with prices from $712 to $5,467, a $4,755 spread on the same certified stone. Brilliant Earth lists it at $5,467. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.90
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG727508467
Dimensions7.14 × 7.07 × 4.61 mm
L/W Ratio1.01
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
7.14 mm7.07 mm1.90 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG727508467
Side View
Table 66.0%Crown 38°Girdle: STK-THKPavilion 38.4°Culet: NoneDepth 65.2%

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: Oct 30
Current: $5,467 AUD|Low: $712 AUD|High: $8,058 AUD|Avg: $2,795 AUD|-32.2%
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
October 31, 2026
Retailer 5$712 AUD
Retailer 10$957 AUD
Retailer 7$1,032 AUD
Retailer 12$1,137 AUD
Retailer 2$1,238 AUD
Retailer 4$1,772 AUD
Retailer 8$1,848 AUD
Retailer 13$2,118 AUD
Retailer 9$2,931 AUD
Retailer 3$4,477 AUD
Retailer 6$4,774 AUD
Retailer 11$5,153 AUD
Brilliant Earth$5,467 AUD

30 data points across 13 retailers

13 retailers$712 AUD to $5,467 AUD

A
Cheapest Retailer
-
$712 AUD
$500 USD
Final sale: no returns
A
Retailer 2
-
$957 AUD
$672 USD
View
A
Retailer 3
-
$1,032 AUD
$725 USD
View
A
Retailer 4
-
$1,137 AUD
$799 USD
View
A
Retailer 5
-
$1,238 AUD
€828 EUR
View
A
Retailer 6
-
$1,772 AUD
$1,245 USD
View
A
Retailer 7
-
$1,848 AUD
View
A
Retailer 8
-
$2,118 AUD
$1,488 USD
View
B+
Retailer 9
-
$2,931 AUD
£1,621 GBP
View
Retailer 10
-
$4,477 AUD
$3,145 USD
View
Price last confirmed 10 days ago
B
Retailer 11
-
$4,774 AUD
View
B
Retailer 12
-
$5,153 AUD
$3,620 USD
View
Most Expensive
B
Brilliant Earth
15510329Y · Oct 30
$5,467 AUD
$3,840 USD
View
12 more retailers have this diamond
Prices start from $712 AUDSave up to $4,755 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
1.90ct Cushion
$712 AUD