Cushion|Lab Grown|IGI

1.83ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG836694133

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG836694133

Diamond specifications and retailer prices

From $1,414 USD
£1,113 GBP
As of October 30, 2026
Save $4,989 USD (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $6,403 USD at Riddles Jewelry · As of October 29, 2026
View at Riddles Jewelry

About this 1.83ct lab-grown cushion diamond

This 1.83ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836694133 or 836694133. Listed at 21 retailers as of October 29, 2026, with prices from $1,414 to $6,403, a $4,989 spread on the same certified stone. Riddles Jewelry lists it at $6,403. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836694133
Dimensions7.49 × 7.23 × 4.77 mm
L/W Ratio1.04
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
7.49 mm7.23 mm1.83 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836694133
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41.7°Culet: NoneDepth 66.0%

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: $1,414 USD|Low: $1,247 USD|High: $6,080 USD|Avg: $2,964 USD|-0.7%
Retailer 1
Retailer 2
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Retailer 4
Retailer 5
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Retailer 7
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Retailer 11
Retailer 12
Retailer 13
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Retailer 18
October 30, 2026
Retailer 5$1,247 USD
Retailer 1$1,414 USD
Retailer 9$1,416 USD
Retailer 15$1,420 USD
Retailer 18$1,690 USD
Retailer 16$1,734 USD
Retailer 11$1,806 USD
Retailer 12$1,909 USD
Retailer 4$2,132 USD
Retailer 13$2,292 USD
Retailer 17$3,353 USD
Retailer 3$3,444 USD
Retailer 6$3,985 USD
Retailer 14$4,251 USD
Retailer 7$4,356 USD
Retailer 8$5,223 USD
Retailer 10$5,889 USD
Retailer 2$5,910 USD

34 data points across 18 retailers

21 retailers$1,414 USD to $6,403 USD

A
Cheapest Retailer
-
$1,414 USD
£1,113 GBP
A
Retailer 2
-
$1,416 USD
View
Final sale: no returns
A
Retailer 3
-
$1,420 USD
View
A
Retailer 4
-
$1,530 USD
View
A
Retailer 5
-
$1,690 USD
View
B+
Retailer 6
-
$1,734 USD
View
A
Retailer 7
-
$1,806 USD
£1,422 GBP
View
B+
Retailer 8
-
$1,909 USD
€1,818 EUR
View
B+
Retailer 9
-
$2,132 USD
View
B+
Retailer 10
-
$2,292 USD
ZAR 37,027 ZAR
View
B+
Retailer 11
-
$3,052 USD
View
B
Retailer 12
-
$3,353 USD
View
B
Retailer 13
-
$3,444 USD
£2,712 GBP
View
B
Retailer 14
-
$3,777 USD
CA$5,246 CAD
View
B
Retailer 15
-
$3,985 USD
View
B
Retailer 16
-
$4,251 USD
£3,347 GBP
View
B
Retailer 17
-
$4,356 USD
View
B
Retailer 18
-
$5,223 USD
View
B
Retailer 19
-
$5,910 USD
View
B
Retailer 20
-
$6,009 USD
View
Most Expensive
B
Riddles Jewelry
1984907408 · Oct 29
$6,403 USD
View
20 more retailers have this diamond
Prices start from $1,414 USDSave up to $4,989 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
1.83ct Cushion
$1,414 USD