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Radiant|Lab Grown|IGI

3.05ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG729565495

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

Certificate IGI LG729565495

Diamond specifications and retailer prices

From $2,145 AUD
$1,507 USD
As of October 30, 2026
Save $12,333 AUD (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $14,478 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.05ct lab-grown radiant diamond

This 3.05ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG729565495 or 729565495. Listed at 20 retailers as of October 29, 2026, with prices from $2,145 to $14,478, a $12,333 spread on the same certified stone. Brilliant Earth lists it at $14,478. 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

3.05
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.4°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729565495
Dimensions10.47 × 6.93 × 4.71 mm
L/W Ratio1.51
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.47 mm6.93 mm3.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729565495
Side View
Table 64.0%Crown 47.4°Girdle: MediumPavilion 37.7°Culet: NoneDepth 68.0%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $14,478 AUD|Low: $2,145 AUD|High: $14,478 AUD|Avg: $5,546 AUD
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
October 30, 2026
Retailer 11$2,145 AUD
Retailer 13$2,402 AUD
Retailer 10$2,733 AUD
Retailer 2$3,514 AUD
Retailer 8$3,779 AUD
Retailer 12$4,013 AUD
Retailer 5$4,826 AUD
Retailer 3$6,010 AUD
Retailer 6$6,184 AUD
Retailer 7$7,114 AUD
Retailer 9$7,901 AUD
Retailer 4$8,368 AUD
Brilliant Earth$14,478 AUD

40 data points across 13 retailers

20 retailers$2,145 AUD to $14,478 AUD

A
Cheapest Retailer
-
$2,145 AUD
$1,507 USD
A
Retailer 2
-
$2,333 AUD
$1,639 USD
View
A
Retailer 3
-
$2,402 AUD
$1,687 USD
View
Final sale: no returns
A
Retailer 4
-
$2,488 AUD
$1,748 USD
View
A
Retailer 5
-
$2,733 AUD
$1,920 USD
View
A
Retailer 6
-
$2,879 AUD
HK$15,800 HKD
View
A
Retailer 7
-
$3,514 AUD
£1,943 GBP
View
Retailer 8
-
$3,779 AUD
€2,528 EUR
View
Price last confirmed 7 days ago
A
Retailer 9
-
$4,013 AUD
$2,819 USD
View
A
Retailer 10
-
$4,538 AUD
$3,188 USD
View
B+
Retailer 11
-
$4,826 AUD
$3,390 USD
View
B+
Retailer 12
-
$6,010 AUD
£3,324 GBP
View
B+
Retailer 13
-
$6,184 AUD
$4,344 USD
View
B+
Retailer 14
-
$7,114 AUD
£3,935 GBP
View
B+
Retailer 15
-
$7,635 AUD
$5,363 USD
View
B+
Retailer 16
-
$7,901 AUD
$5,550 USD
View
B
Retailer 17
-
$8,368 AUD
$5,878 USD
View
B
Retailer 18
-
$8,748 AUD
$6,145 USD
View
B
Retailer 19
-
$12,357 AUD
$8,680 USD
View
Most Expensive
B
Brilliant Earth
20552346A · Oct 29
$14,478 AUD
$10,170 USD
View
19 more retailers have this diamond
Prices start from $2,145 AUDSave up to $12,333 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
3.05ct Radiant
$2,145 AUD