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Cushion|Lab Grown|IGI

1.09ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG848625173

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG848625173

Diamond specifications and retailer prices

From €446 EUR
$498 USD
As of October 30, 2026
Save €1,573 EUR (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €2,018 EUR at Riddles Jewelry · As of October 31, 2026
View at Riddles Jewelry

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 LG848625173 or 848625173. Listed at 16 retailers as of October 30, 2026, with prices from €446 to €2,018, a €1,573 spread on the same certified stone. Riddles Jewelry lists it at €2,018. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle19.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848625173
Dimensions7.36 × 5.44 × 3.53 mm
L/W Ratio1.35
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
7.36 mm5.44 mm1.09 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848625173
Side View
Table 62.0%Crown 33°Girdle: MED-STKPavilion 19.9°Culet: NoneDepth 64.9%

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 30
Current: €453 EUR|Low: €446 EUR|High: €2,018 EUR|Avg: €1,025 EUR|-0.6%
Retailer 1
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
Riddles Jewelry
November 1, 2026
Retailer 4€446 EUR
Retailer 1€453 EUR
Retailer 10€524 EUR
Retailer 3€621 EUR
Retailer 9€675 EUR
Retailer 7€700 EUR
Retailer 8€717 EUR
Retailer 11€729 EUR
Retailer 15€756 EUR
Retailer 5€962 EUR
Retailer 12€1,455 EUR
Retailer 6€1,613 EUR
Retailer 2€1,630 EUR
Retailer 14€1,729 EUR
Retailer 13€1,889 EUR
Riddles Jewelry€2,018 EUR

7 data points across 16 retailers

16 retailers€446 EUR to €2,018 EUR

A
Cheapest Retailer
-
€446 EUR
$498 USD
Final sale: no returns
A
Retailer 2
-
€453 EUR
£399 GBP
View
A
Retailer 3
-
€524 EUR
$585 USD
View
A
Retailer 4
-
€621 EUR
$694 USD
View
A
Retailer 5
-
€675 EUR
View
A
Retailer 6
-
€700 EUR
$782 USD
View
A
Retailer 7
-
€717 EUR
£630 GBP
View
A
Retailer 8
-
€729 EUR
$814 USD
View
A
Retailer 9
-
€756 EUR
ZAR 13,653 ZAR
View
B+
Retailer 10
-
€962 EUR
$1,074 USD
View
B
Retailer 11
-
€1,455 EUR
CA$2,258 CAD
View
B
Retailer 12
-
€1,613 EUR
$1,802 USD
View
B
Retailer 13
-
€1,630 EUR
$1,821 USD
View
B
Retailer 14
-
€1,729 EUR
£1,521 GBP
View
B
Retailer 15
-
€1,889 EUR
$2,110 USD
View
Most Expensive
B
Riddles Jewelry
1996900373 · Oct 31
€2,018 EUR
$2,255 USD
View
15 more retailers have this diamond
Prices start from €446 EURSave up to €1,573 EUR

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
€446 EUR