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Cushion|Lab Grown|IGI

1.03ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG689561855

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG689561855

Diamond specifications and retailer prices

From $294 USD
As of November 3, 2026
Save $1,576 USD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,870 USD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.03ct lab-grown cushion diamond

This 1.03ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG689561855 or 689561855. Listed at 18 retailers as of November 3, 2026, with prices from $294 to $1,870, a $1,576 spread on the same certified stone. Brilliant Earth lists it at $1,870. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689561855
Dimensions6.99 × 5.34 × 3.68 mm
L/W Ratio1.31
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
6.99 mm5.34 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689561855
Side View
Table 62.0%Crown 36.4°Girdle: STK-THKPavilion 38.7°Culet: NoneDepth 68.9%

Caratlytics Score

How it works →
A+
Exceptional
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 3
Current: $1,870 USD|Low: $291 USD|High: $2,430 USD|Avg: $861 USD|-23.0%
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 4, 2026
Retailer 11$294 USD
Retailer 3$327 USD
Retailer 14$505 USD
Retailer 4$544 USD
Retailer 13$552 USD
Retailer 10$563 USD
Retailer 15$570 USD
Retailer 2$619 USD
Retailer 8$802 USD
Retailer 9$881 USD
Retailer 6$1,101 USD
Retailer 12$1,309 USD
Retailer 5$1,396 USD
Retailer 7$1,451 USD
Brilliant Earth$1,870 USD

38 data points across 15 retailers

18 retailers$294 USD to $1,870 USD

A+
Cheapest Retailer
-
$294 USD
Final sale: no returns
Retailer 2
-
$327 USD
View
Price last confirmed 10 days ago
A
Retailer 3
-
$505 USD
View
A
Retailer 4
-
$544 USD
View
A
Retailer 5
-
$552 USD
View
A
Retailer 6
-
$563 USD
View
A
Retailer 7
-
$570 USD
View
A
Retailer 8
-
$589 USD
View
A
Retailer 9
-
$619 USD
View
A
Retailer 10
-
$802 USD
View
B+
Retailer 11
-
$881 USD
View
B+
Retailer 12
-
$1,101 USD
View
B+
Retailer 13
-
$1,209 USD
View
B+
Retailer 14
-
$1,309 USD
View
Retailer 15
-
$1,326 USD
View
Price last confirmed 65 days ago
B
Retailer 16
-
$1,396 USD
View
Retailer 17
-
$1,451 USD
View
Price last confirmed 30 days ago
Most Expensive
B
Brilliant Earth
14715268A · Nov 4
$1,870 USD
View
17 more retailers have this diamond
Prices start from $294 USDSave up to $1,576 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+
1.03ct Cushion
$294 USD