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Radiant|Lab Grown|IGI

1.92ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG731582144

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

Certificate IGI LG731582144

Diamond specifications and retailer prices

From $655 AUD
$460 USD
As of October 27, 2026
Save $4,498 AUD (87%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $5,153 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.92ct lab-grown radiant diamond

This 1.92ct 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 LG731582144 or 731582144. Listed at 24 retailers as of October 27, 2026, with prices from $655 to $5,153, a $4,498 spread on the same certified stone. Brilliant Earth lists it at $5,153. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.92
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.1°
Pavilion angle31.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731582144
Dimensions8.47 × 6.03 × 4.14 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.47 mm6.03 mm1.92 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731582144
Side View
Table 68.0%Crown 47.1°Girdle: MediumPavilion 31.1°Culet: NoneDepth 68.7%

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: $5,153 AUD|Low: $655 AUD|High: $5,167 AUD|Avg: $2,130 AUD|-0.3%
Brilliant Earth
Retailer 2
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Retailer 22
October 30, 2026
Retailer 3$655 AUD
Retailer 9$732 AUD
Retailer 22$733 AUD
Retailer 4$811 AUD
Retailer 14$811 AUD
Retailer 17$1,011 AUD
Retailer 18$1,229 AUD
Retailer 7$1,278 AUD
Retailer 21$1,310 AUD
Retailer 2$1,344 AUD
Retailer 20$1,889 AUD
Retailer 13$1,890 AUD
Retailer 8$2,313 AUD
Retailer 11$2,574 AUD
Retailer 6$2,609 AUD
Retailer 12$2,653 AUD
Retailer 15$2,829 AUD
Retailer 10$2,879 AUD
Retailer 16$2,997 AUD
Retailer 5$3,036 AUD
Retailer 19$4,256 AUD
Brilliant Earth$5,153 AUD

35 data points across 22 retailers

24 retailers$655 AUD to $5,153 AUD

A
Cheapest Retailer
-
$655 AUD
$460 USD
A
Retailer 2
-
$732 AUD
$514 USD
View
Final sale: no returns
A
Retailer 3
-
$733 AUD
$515 USD
View
Retailer 4
-
$811 AUD
$570 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$811 AUD
$570 USD
View
A
Retailer 6
-
$1,011 AUD
$710 USD
View
A
Retailer 7
-
$1,229 AUD
€822 EUR
View
A
Retailer 8
-
$1,278 AUD
$898 USD
View
A
Retailer 9
-
$1,310 AUD
$920 USD
View
A
Retailer 10
-
$1,344 AUD
£744 GBP
View
B+
Retailer 11
-
$1,889 AUD
$1,327 USD
View
B+
Retailer 12
-
$1,890 AUD
View
B+
Retailer 13
-
$2,313 AUD
$1,625 USD
View
B+
Retailer 14
-
$2,574 AUD
SGD 2,444 SGD
View
B+
Retailer 15
-
$2,609 AUD
$1,833 USD
View
B+
Retailer 16
-
$2,653 AUD
$1,864 USD
View
B+
Retailer 17
-
$2,713 AUD
$1,906 USD
View
Retailer 18
-
$2,829 AUD
View
Price last confirmed 25 days ago
B+
Retailer 19
-
$2,879 AUD
$2,023 USD
View
B+
Retailer 20
-
$2,997 AUD
£1,658 GBP
View
B+
Retailer 21
-
$3,036 AUD
$2,133 USD
View
Retailer 22
-
$4,194 AUD
$2,947 USD
View
Price last confirmed 37 days ago
Retailer 23
-
$4,256 AUD
$2,990 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
16119967A · Oct 29
$5,153 AUD
$3,620 USD
View
23 more retailers have this diamond
Prices start from $655 AUDSave up to $4,498 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
1.92ct Radiant
$655 AUD