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Radiant|Lab Grown|IGI

1.83ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG641411238

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG641411238

Diamond specifications and retailer prices

From $5,608 AUD
$3,940 USD
As of October 29, 2026
Save $668 AUD (11%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $6,276 AUD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 1.83ct lab-grown radiant diamond

This 1.83ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG641411238 or 641411238. Listed at 2 retailers as of October 29, 2026, with a relatively tight 12% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG641411238
Dimensions8.52 × 6.18 × 4.13 mm
L/W Ratio1.38
Culet sizePointed
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
8.52 mm6.18 mm1.83 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG641411238
Side View
Table 63.0%Crown 34.9°Girdle: MED-STKPavilion 34.1°Culet: NoneDepth 66.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $5,608 AUD|Low: $1,111 AUD|High: $10,804 AUD|Avg: $4,396 AUD|-12.4%
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
April 14, 2026
Retailer 13$1,111 AUD
Retailer 15$1,196 AUD
Retailer 10$1,495 AUD
Retailer 9$1,544 AUD
Retailer 12$2,017 AUD
Retailer 8$2,118 AUD
Retailer 4$2,213 AUD
Retailer 2$2,737 AUD
Retailer 11$3,032 AUD
Retailer 3$3,867 AUD
Retailer 5$4,460 AUD
Retailer 1$5,608 AUD
Retailer 14$5,708 AUD
Retailer 6$6,977 AUD
Retailer 7$8,256 AUD

50 data points across 15 retailers

2 retailers$5,608 AUD to $6,276 AUD

B
Cheapest Retailer
-
$5,608 AUD
$3,940 USD
Most Expensive
B
Diamond Quarter
1.83IFELG386AC2N · Oct 29
$6,276 AUD
£3,472 GBP
View
1 more retailer has this diamond
Prices start from $5,608 AUDSave up to $668 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.

B
1.83ct Radiant
$5,608 AUD