Radiant|Lab Grown|IGI

3.05ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG728562884

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

Certificate IGI LG728562884

Diamond specifications and retailer prices

From $3,450 USD
As of October 30, 2026
Save $9,263 USD (73%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $17,292 USD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

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 LG728562884 or 728562884. Listed at 23 retailers as of October 30, 2026, with a 268% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle50.1°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728562884
Dimensions6.97 × 6.97 × 10.28 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.97 mm6.97 mm3.05 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728562884
Side View
Table 63.0%Crown 50.1°Girdle: STK-THKPavilion 33.9°Culet: NoneDepth 65.9%

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: $6,288 USD|Low: $3,953 USD|High: $11,324 USD|Avg: $7,396 USD|+0.5%
Retailer 1
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
October 30, 2026
Retailer 4$3,953 USD
Retailer 5$4,250 USD
Retailer 13$4,465 USD
Retailer 11$5,210 USD
Retailer 12$5,840 USD
Retailer 1$6,288 USD
Retailer 2$6,288 USD
Retailer 6$6,828 USD
Retailer 14$6,978 USD
Retailer 8$10,118 USD
Retailer 9$10,290 USD
Retailer 3$11,152 USD
Retailer 10$11,187 USD
Retailer 7$11,285 USD

43 data points across 14 retailers

23 retailers$3,450 USD to $12,713 USD

A
Cheapest Retailer
-
$3,450 USD
Retailer 2
-
$3,644 USD
View
Price last confirmed 28 days ago
B+
Retailer 3
-
$3,953 USD
View
Retailer 4
-
$3,978 USD
View
Price last confirmed 32 days ago
B+
Retailer 5
-
$4,250 USD
View
Final sale: no returns
Retailer 6
-
$4,403 USD
View
Price last confirmed 27 days ago
B+
Retailer 7
-
$4,465 USD
View
B+
Retailer 8
-
$5,210 USD
View
B
Retailer 9
-
$5,840 USD
View
Retailer 10
-
$6,074 USD
View
Price last confirmed 29 days ago
B+
Retailer 11
-
$6,288 USD
£4,951 GBP
View
B
Retailer 12
-
$6,288 USD
View
B
Retailer 13
-
$6,828 USD
£5,376 GBP
View
Retailer 14
-
$6,978 USD
A$10,736 AUD
View
Price last confirmed 21 days ago
B
Retailer 15
-
$10,118 USD
£7,967 GBP
View
B
Retailer 16
-
$10,290 USD
View
B
Retailer 17
-
$11,152 USD
View
Retailer 18
-
$11,187 USD
A$17,210 AUD
View
Price last confirmed 7 days ago
B
Retailer 19
-
$11,285 USD
ZAR 182,305 ZAR
View
B
Retailer 20
-
$12,713 USD
View
Most Expensive
Taylor and Hart
KGF9DH0 · Oct 30
$17,292 USD
View
Price under review
20 more retailers have this diamond
Prices start from $3,450 USDSave up to $9,263 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.05ct Radiant
$3,450 USD