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 $498 USD
As of October 30, 2026
Save $1,757 USD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,255 USD 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 $498 to $2,255, a $1,757 spread on the same certified stone. Riddles Jewelry lists it at $2,255. 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: $807 USD|Low: $498 USD|High: $2,255 USD|Avg: $1,136 USD|+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
October 31, 2026
Retailer 4$498 USD
Retailer 10$508 USD
Retailer 8$585 USD
Retailer 2$694 USD
Retailer 3$754 USD
Retailer 7$782 USD
Retailer 1$807 USD
Retailer 9$814 USD
Retailer 14$845 USD
Retailer 5$1,074 USD
Retailer 11$1,626 USD
Retailer 6$1,802 USD
Retailer 15$1,821 USD
Retailer 13$1,932 USD
Retailer 12$2,110 USD
Riddles Jewelry$2,255 USD

6 data points across 16 retailers

16 retailers$498 USD to $2,255 USD

A
Cheapest Retailer
-
$498 USD
Final sale: no returns
A
Retailer 2
-
$508 USD
£400 GBP
View
A
Retailer 3
-
$585 USD
View
A
Retailer 4
-
$694 USD
View
A
Retailer 5
-
$754 USD
€718 EUR
View
A
Retailer 6
-
$782 USD
View
A
Retailer 7
-
$807 USD
£636 GBP
View
A
Retailer 8
-
$814 USD
View
A
Retailer 9
-
$845 USD
ZAR 13,653 ZAR
View
B+
Retailer 10
-
$1,074 USD
View
B
Retailer 11
-
$1,626 USD
CA$2,258 CAD
View
B
Retailer 12
-
$1,802 USD
View
B
Retailer 13
-
$1,821 USD
View
B
Retailer 14
-
$1,932 USD
£1,521 GBP
View
B
Retailer 15
-
$2,110 USD
View
Most Expensive
B
Riddles Jewelry
1996900373 · Oct 31
$2,255 USD
View
15 more retailers have this diamond
Prices start from $498 USDSave up to $1,757 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
$498 USD