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Radiant|Lab Grown|IGI

2.91ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG784642584

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

Certificate IGI LG784642584

Diamond specifications and retailer prices

From $1,184 AUD
$832 USD
As of October 30, 2026
Save $9,564 AUD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $10,748 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.91ct lab-grown radiant diamond

This 2.91ct lab-grown radiant sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784642584 or 784642584. Listed at 16 retailers as of October 30, 2026, with prices from $1,184 to $10,748, a $9,564 spread on the same certified stone. Brilliant Earth lists it at $10,748. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.91
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784642584
Dimensions9.94 × 7.00 × 4.86 mm
L/W Ratio1.42
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
9.94 mm7.00 mm2.91 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784642584
Side View
Table 60.0%Crown 39.9°Girdle: Slightly ThickPavilion 36°Culet: NoneDepth 69.4%

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: $10,748 AUD|Low: $1,184 AUD|High: $15,389 AUD|Avg: $5,033 AUD|-30.2%
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
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 9$1,184 AUD
Retailer 16$1,418 AUD
Retailer 8$1,518 AUD
Retailer 14$1,762 AUD
Retailer 6$1,794 AUD
Retailer 2$2,214 AUD
Retailer 3$2,709 AUD
Retailer 15$3,363 AUD
Retailer 11$3,637 AUD
Retailer 4$4,033 AUD
Retailer 13$4,265 AUD
Retailer 12$5,171 AUD
Retailer 7$6,647 AUD
Retailer 5$7,616 AUD
Retailer 10$10,520 AUD
Brilliant Earth$10,748 AUD

34 data points across 16 retailers

16 retailers$1,184 AUD to $10,748 AUD

A
Cheapest Retailer
-
$1,184 AUD
$832 USD
A
Retailer 2
-
$1,418 AUD
$996 USD
View
A
Retailer 3
-
$1,518 AUD
$1,066 USD
View
Final sale: no returns
A
Retailer 4
-
$1,762 AUD
$1,238 USD
View
A
Retailer 5
-
$1,794 AUD
$1,260 USD
View
A
Retailer 6
-
$2,214 AUD
$1,555 USD
View
Retailer 7
-
$2,709 AUD
€1,812 EUR
View
Price last confirmed 7 days ago
A
Retailer 8
-
$3,363 AUD
$2,362 USD
View
A
Retailer 9
-
$3,637 AUD
$2,555 USD
View
Retailer 10
-
$4,033 AUD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$4,265 AUD
$2,996 USD
View
B+
Retailer 12
-
$5,171 AUD
£2,860 GBP
View
Retailer 13
-
$6,647 AUD
View
Price last confirmed 28 days ago
Retailer 14
-
$7,616 AUD
$5,350 USD
View
Price last confirmed 9 days ago
B
Retailer 15
-
$10,520 AUD
$7,390 USD
View
Most Expensive
B
Brilliant Earth
20496009Y · Oct 30
$10,748 AUD
$7,550 USD
View
15 more retailers have this diamond
Prices start from $1,184 AUDSave up to $9,564 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
2.91ct Radiant
$1,184 AUD