Cushion|Lab Grown|IGI

1.00ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG804657201

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804657201

Diamond specifications and retailer prices

From $379 USD
£298 GBP
As of November 1, 2026
Save $2,011 USD (84%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,390 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1ct lab-grown cushion diamond

This 1ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804657201 or 804657201. Listed at 9 retailers as of October 31, 2026, with prices from $379 to $2,390, a $2,011 spread on the same certified stone. Do Amore Diamonds lists it at $2,390. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804657201
Dimensions7.07 × 5.07 × 3.40 mm
L/W Ratio1.39
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
7.07 mm5.07 mm1.00 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804657201
Side View
Table 61.0%Crown 33.7°Girdle: MED-THKPavilion 34.8°Culet: NoneDepth 67.1%

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 1
Current: $2,390 USD|Low: $311 USD|High: $2,690 USD|Avg: $1,095 USD|-11.2%
Do Amore Diamonds
Retailer 2
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Retailer 18
November 1, 2026
Retailer 5$311 USD
Retailer 6$347 USD
Retailer 2$379 USD
Retailer 14$553 USD
Retailer 11$565 USD
Retailer 7$622 USD
Retailer 3$727 USD
Retailer 17$869 USD
Retailer 18$895 USD
Retailer 12$945 USD
Retailer 10$966 USD
Retailer 15$1,071 USD
Retailer 9$1,296 USD
Retailer 4$1,463 USD
Retailer 13$1,490 USD
Retailer 16$1,627 USD
Retailer 8$1,768 USD
Do Amore Diamonds$2,390 USD

24 data points across 18 retailers

9 retailers$379 USD to $2,390 USD

A+
Cheapest Retailer
-
$379 USD
£298 GBP
A
Retailer 2
-
$553 USD
View
A
Retailer 3
-
$565 USD
View
B+
Retailer 4
-
$945 USD
View
B+
Retailer 5
-
$1,071 USD
View
Retailer 6
-
$1,296 USD
View
Price last confirmed 52 days ago
B+
Retailer 7
-
$1,490 USD
View
B+
Retailer 8
-
$1,627 USD
£1,281 GBP
View
Most Expensive
B
Do Amore Diamonds
27-35E978DD6 · Oct 31
$2,390 USD
View
8 more retailers have this diamond
Prices start from $379 USDSave up to $2,011 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+
1.00ct Cushion
$379 USD