Radiant|Lab Grown|IGI

2.91ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG784642584

Certificate IGI LG784642584

Diamond specifications and retailer prices

From $1,066 USD
Save $9,744 USD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $10,810 USD at Brilliant Earth
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 13 retailers, with prices from $1,066 to $10,810 at Brilliant Earth, a $9,744 spread on the same certified stone. 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
Color
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

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $10,810 USD|Low: $761 USD|High: $10,810 USD|Avg: $3,922 USD
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
Retailer 17
October 1, 2026
Retailer 17$1,066 USD
Retailer 15$1,257 USD
Retailer 16$1,260 USD
Retailer 3$1,446 USD
Retailer 14$1,868 USD
Retailer 9$2,168 USD
Retailer 10$2,331 USD
Retailer 5$2,571 USD
Retailer 12$2,838 USD
Retailer 6$3,931 USD
Retailer 8$3,932 USD
Retailer 11$4,098 USD
Retailer 2$4,676 USD
Retailer 7$5,031 USD
Retailer 13$5,455 USD
Retailer 4$8,280 USD
Brilliant Earth$10,810 USD

16 data points across 17 retailers

13 retailers$1,066 USD to $10,810 USD

A
Cheapest Retailer
-
$1,066 USD
A
Retailer 2
-
$1,257 USD
View
A
Retailer 3
-
$1,260 USD
View
A
Retailer 4
-
$1,446 USD
View
A
Retailer 5
-
$1,868 USD
€1,779 EUR
View
A
Retailer 6
-
$2,331 USD
View
A
Retailer 7
-
$2,571 USD
View
A
Retailer 8
-
$2,838 USD
A$4,366 AUD
View
B+
Retailer 9
-
$4,098 USD
£3,227 GBP
View
B+
Retailer 10
-
$4,676 USD
A$7,194 AUD
View
B+
Retailer 11
-
$5,455 USD
View
B
Retailer 12
-
$8,280 USD
View
Most Expensive
B
Brilliant Earth
20496009Y · Oct 1
$10,810 USD
View
12 more retailers have this diamond
Prices start from $1,066 USDSave up to $9,744 USD

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.

A
2.91ct Radiant
$1,066 USD