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Cushion|Lab Grown|IGI

1.83ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG839684867

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG839684867

Diamond specifications and retailer prices

From $2,013 AUD
£1,113 GBP
As of October 27, 2026
Save $7,103 AUD (78%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,115 AUD at Riddles Jewelry · As of October 27, 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 LG839684867 or 839684867. Listed at 19 retailers as of October 27, 2026, with prices from $2,013 to $9,115, a $7,103 spread on the same certified stone. Riddles Jewelry lists it at $9,115. 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
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839684867
Dimensions8.60 × 6.39 × 4.27 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
8.60 mm6.39 mm1.83 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839684867
Side View
Table 61.0%Crown 35.9°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 66.8%

Caratlytics Score

How it works →
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 27
Current: $2,697 AUD|Low: $1,979 AUD|High: $9,115 AUD|Avg: $4,373 AUD|+0.5%
Retailer 1
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Retailer 12
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Retailer 19
Riddles Jewelry
October 27, 2026
Retailer 12$2,013 AUD
Retailer 4$2,016 AUD
Retailer 16$2,022 AUD
Retailer 8$2,178 AUD
Retailer 7$2,406 AUD
Retailer 17$2,469 AUD
Retailer 13$2,556 AUD
Retailer 1$2,697 AUD
Retailer 9$3,035 AUD
Retailer 15$3,232 AUD
Retailer 5$4,344 AUD
Retailer 3$4,773 AUD
Retailer 18$4,903 AUD
Retailer 6$5,377 AUD
Retailer 2$5,673 AUD
Retailer 14$6,028 AUD
Retailer 11$6,201 AUD
Retailer 19$7,435 AUD
Retailer 10$8,554 AUD
Riddles Jewelry$9,115 AUD

22 data points across 20 retailers

19 retailers$2,013 AUD to $9,115 AUD

A
Cheapest Retailer
-
$2,013 AUD
£1,113 GBP
A
Retailer 2
-
$2,022 AUD
$1,420 USD
View
A
Retailer 3
-
$2,178 AUD
$1,530 USD
View
A
Retailer 4
-
$2,406 AUD
$1,690 USD
View
B+
Retailer 5
-
$2,469 AUD
$1,734 USD
View
A
Retailer 6
-
$2,556 AUD
£1,413 GBP
View
B+
Retailer 7
-
$2,697 AUD
€1,804 EUR
View
B+
Retailer 8
-
$3,035 AUD
$2,132 USD
View
Retailer 9
-
$3,232 AUD
ZAR 36,682 ZAR
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$4,344 AUD
$3,052 USD
View
B
Retailer 11
-
$4,773 AUD
$3,353 USD
View
B
Retailer 12
-
$4,903 AUD
£2,712 GBP
View
B
Retailer 13
-
$5,377 AUD
CA$5,246 CAD
View
Retailer 14
-
$5,673 AUD
$3,985 USD
View
Price last confirmed 7 days ago
B
Retailer 15
-
$6,028 AUD
£3,334 GBP
View
B
Retailer 16
-
$6,201 AUD
$4,356 USD
View
Retailer 17
-
$7,435 AUD
$5,223 USD
View
Price last confirmed 11 days ago
B
Retailer 18
-
$8,554 AUD
$6,009 USD
View
Most Expensive
B
Riddles Jewelry
1988600944 · Oct 27
$9,115 AUD
$6,403 USD
View
18 more retailers have this diamond
Prices start from $2,013 AUDSave up to $7,103 AUD

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
$2,013 AUD