Cushion|Lab Grown|IGI

1.09ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG801694817

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG801694817

Diamond specifications and retailer prices

From $530 USD
As of October 29, 2026
Save $2,200 USD (81%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,730 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.09ct lab-grown cushion diamond

This 1.09ct 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 LG801694817 or 801694817. Listed at 7 retailers as of October 29, 2026, with prices from $530 to $2,730, a $2,200 spread on the same certified stone. Do Amore Diamonds lists it at $2,730. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801694817
Dimensions6.75 × 5.49 × 3.82 mm
L/W Ratio1.23
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
6.75 mm5.49 mm1.09 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801694817
Side View
Table 59.0%Crown 34.2°Girdle: MED-THKPavilion 38.4°Culet: NoneDepth 69.6%

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: Oct 29
Current: $2,730 USD|Low: $516 USD|High: $2,920 USD|Avg: $1,502 USD|-6.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 7$530 USD
Retailer 5$535 USD
Retailer 6$622 USD
Retailer 3$717 USD
Retailer 2$1,630 USD
Retailer 4$1,694 USD
Retailer 8$2,002 USD
Do Amore Diamonds$2,730 USD

22 data points across 8 retailers

7 retailers$530 USD to $2,730 USD

A
Cheapest Retailer
-
$530 USD
A
Retailer 2
-
$535 USD
View
A
Retailer 3
-
$622 USD
View
A
Retailer 4
-
$717 USD
€683 EUR
View
B
Retailer 5
-
$1,630 USD
View
B+
Retailer 6
-
$1,694 USD
£1,334 GBP
View
Most Expensive
B
Do Amore Diamonds
27-55A00E098 · Oct 30
$2,730 USD
View
6 more retailers have this diamond
Prices start from $530 USDSave up to $2,200 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
1.09ct Cushion
$530 USD