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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 $500 USD
As of October 30, 2026
Save $3,340 USD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,840 USD 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 $500 to $3,840, a $3,340 spread on the same certified stone. Brilliant Earth lists it at $3,840. 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
Color
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: $3,840 USD|Low: $357 USD|High: $5,660 USD|Avg: $1,967 USD|-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 30, 2026
Retailer 5$500 USD
Retailer 8$650 USD
Retailer 9$672 USD
Retailer 11$799 USD
Retailer 6$876 USD
Retailer 3$1,245 USD
Retailer 2$1,298 USD
Retailer 12$1,488 USD
Retailer 7$2,059 USD
Retailer 13$3,145 USD
Retailer 4$3,375 USD
Retailer 10$3,620 USD
Brilliant Earth$3,840 USD

30 data points across 13 retailers

13 retailers$500 USD to $3,840 USD

A
Cheapest Retailer
-
$500 USD
Final sale: no returns
A
Retailer 2
-
$650 USD
View
A
Retailer 3
-
$672 USD
View
A
Retailer 4
-
$799 USD
View
A
Retailer 5
-
$876 USD
€834 EUR
View
A
Retailer 6
-
$1,245 USD
View
A
Retailer 7
-
$1,298 USD
A$1,997 AUD
View
A
Retailer 8
-
$1,488 USD
View
B+
Retailer 9
-
$2,059 USD
£1,621 GBP
View
Retailer 10
-
$3,145 USD
View
Price last confirmed 9 days ago
Retailer 11
-
$3,375 USD
A$5,192 AUD
View
Price last confirmed 28 days ago
B
Retailer 12
-
$3,620 USD
View
Most Expensive
B
Brilliant Earth
15510329Y · Oct 30
$3,840 USD
View
12 more retailers have this diamond
Prices start from $500 USDSave up to $3,340 USD

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
$500 USD