Radiant|Lab Grown|IGI

3.08ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG666434669

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

Certificate IGI LG666434669

Diamond specifications and retailer prices

From $865 USD
As of October 27, 2026
Save $2,916 USD (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,930 USD at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

About this 3.08ct lab-grown radiant diamond

This 3.08ct 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 LG666434669 or 666434669. Listed at 19 retailers as of October 27, 2026, with a 337% 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

3.08
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG666434669
Dimensions10.47 × 7.19 × 4.87 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.47 mm7.19 mm3.08 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG666434669
Side View
Table 67.0%Crown 42.5°Girdle: MediumPavilion 36.1°Culet: NoneDepth 67.7%

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 27
Current: $7,930 USD|Low: $830 USD|High: $8,170 USD|Avg: $2,335 USD|-2.9%
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
Retailer 18
Retailer 19
October 29, 2026
Retailer 19$865 USD
Retailer 8$941 USD
Retailer 9$967 USD
Retailer 3$1,003 USD
Retailer 14$1,180 USD
Retailer 7$1,371 USD
Retailer 18$1,435 USD
Retailer 2$1,538 USD
Retailer 16$1,666 USD
Retailer 15$2,263 USD
Retailer 17$2,306 USD
Retailer 12$2,329 USD
Retailer 11$2,774 USD
Retailer 5$2,820 USD
Retailer 6$2,988 USD
Retailer 4$3,138 USD
Retailer 10$3,480 USD
Retailer 13$3,781 USD
Brilliant Earth$7,930 USD

44 data points across 19 retailers

19 retailers$865 USD to $3,781 USD

A
Cheapest Retailer
-
$865 USD
A
Retailer 2
-
$941 USD
View
A
Retailer 3
-
$967 USD
View
Final sale: no returns
A
Retailer 4
-
$1,003 USD
View
A
Retailer 5
-
$1,003 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$1,180 USD
View
A
Retailer 7
-
$1,371 USD
View
A
Retailer 8
-
$1,435 USD
View
A
Retailer 9
-
$1,538 USD
£1,211 GBP
View
A
Retailer 10
-
$2,263 USD
A$3,482 AUD
View
Price last confirmed 8 days ago
A
Retailer 11
-
$2,306 USD
View
A
Retailer 12
-
$2,329 USD
ZAR 37,629 ZAR
View
A
Retailer 13
-
$2,774 USD
£2,184 GBP
View
A
Retailer 14
-
$2,820 USD
View
A
Retailer 15
-
$2,988 USD
View
A
Retailer 16
-
$3,138 USD
View
B+
Retailer 17
-
$3,480 USD
View
B+
Retailer 18
-
$3,781 USD
£2,977 GBP
View
Most Expensive
B
Brilliant Earth
16422274A · Oct 21
$7,930 USD
View
Price last confirmed 8 days ago
18 more retailers have this diamond
Prices start from $865 USDSave up to $2,916 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
3.08ct Radiant
$865 USD