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Radiant|Lab Grown|IGI

1.90ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG774610930

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

Certificate IGI LG774610930

Diamond specifications and retailer prices

From $428 AUD
$301 USD
As of October 27, 2026
Save $6,617 AUD (94%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,046 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.9ct lab-grown radiant diamond

This 1.9ct 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 LG774610930 or 774610930. Listed at 17 retailers as of October 27, 2026, with prices from $428 to $7,046, a $6,617 spread on the same certified stone. Brilliant Earth lists it at $7,046. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.90
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG774610930
Dimensions8.54 × 6.37 × 4.20 mm
L/W Ratio1.34
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
8.54 mm6.37 mm1.90 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG774610930
Side View
Table 60.0%Crown 42.4°Girdle: MediumPavilion 34.7°Culet: NoneDepth 65.9%

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 27
Current: $7,046 AUD|Low: $390 AUD|High: $7,274 AUD|Avg: $2,123 AUD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
October 29, 2026
Retailer 5$487 AUD
Retailer 13$669 AUD
Retailer 11$703 AUD
Retailer 10$752 AUD
Retailer 3$922 AUD
Retailer 12$980 AUD
Retailer 8$1,366 AUD
Retailer 15$1,455 AUD
Retailer 9$1,732 AUD
Retailer 7$1,885 AUD
Retailer 6$2,044 AUD
Retailer 2$2,361 AUD
Retailer 4$3,800 AUD
Retailer 14$3,964 AUD
Brilliant Earth$7,046 AUD

38 data points across 15 retailers

17 retailers$428 AUD to $7,046 AUD

A
Cheapest Retailer
-
$428 AUD
$301 USD
A
Retailer 2
-
$487 AUD
$342 USD
View
Final sale: no returns
A
Retailer 3
-
$497 AUD
$349 USD
View
A
Retailer 4
-
$669 AUD
$470 USD
View
A
Retailer 5
-
$703 AUD
$494 USD
View
B+
Retailer 6
-
$752 AUD
$528 USD
View
A
Retailer 7
-
$922 AUD
$648 USD
View
A
Retailer 8
-
$980 AUD
€656 EUR
View
A
Retailer 9
-
$1,366 AUD
View
A
Retailer 10
-
$1,455 AUD
$1,022 USD
View
A
Retailer 11
-
$1,732 AUD
$1,217 USD
View
A
Retailer 12
-
$1,885 AUD
$1,324 USD
View
B+
Retailer 13
-
$2,044 AUD
$1,436 USD
View
B+
Retailer 14
-
$2,361 AUD
£1,306 GBP
View
B+
Retailer 15
-
$3,800 AUD
$2,670 USD
View
Retailer 16
-
$3,964 AUD
$2,785 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21399561Y · Oct 29
$7,046 AUD
$4,950 USD
View
16 more retailers have this diamond
Prices start from $428 AUDSave up to $6,617 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
1.90ct Radiant
$428 AUD