Radiant|Lab Grown|IGI

3.03ct E SI1 Radiant Lab Grown Diamond

VG • E/SI1 • IGI LG847631238

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

Certificate IGI LG847631238

Diamond specifications and retailer prices

From $431 USD
As of November 6, 2026
Save $4,149 USD (91%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,580 USD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.03ct lab-grown radiant diamond

This 3.03ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG847631238 or 847631238. Listed at 13 retailers as of November 6, 2026, with prices from $431 to $4,580, a $4,149 spread on the same certified stone. Brilliant Earth lists it at $4,580. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.03
Carat
E
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle27.8°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847631238
Dimensions9.97 × 7.10 × 4.89 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.97 mm7.10 mm3.03 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847631238
Side View
Table 64.0%Crown 27.8°Girdle: STK-THKPavilion 35.9°Culet: NoneDepth 68.9%

Caratlytics Score

How it works →
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: Nov 6
Current: $581 USD|Low: $431 USD|High: $18,673 USD|Avg: $2,268 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
November 6, 2026
Retailer 9$431 USD
Retailer 1$581 USD
Retailer 7$625 USD
Retailer 2$640 USD
Retailer 11$749 USD
Retailer 12$782 USD
Retailer 5$853 USD
Retailer 3$995 USD
Retailer 8$1,338 USD
Retailer 4$1,571 USD
Retailer 6$1,783 USD
Retailer 10$1,864 USD

18 data points across 12 retailers

13 retailers$431 USD to $4,580 USD

A
Cheapest Retailer
-
$431 USD
Final sale: no returns
A
Retailer 2
-
$581 USD
View
A
Retailer 3
-
$625 USD
View
B+
Retailer 4
-
$640 USD
View
A
Retailer 5
-
$749 USD
View
A
Retailer 6
-
$782 USD
View
B+
Retailer 7
-
$853 USD
View
A
Retailer 8
-
$995 USD
View
B+
Retailer 9
-
$1,338 USD
View
B+
Retailer 10
-
$1,571 USD
View
B
Retailer 11
-
$1,783 USD
View
B
Retailer 12
-
$1,864 USD
View
Most Expensive
B
Brilliant Earth
22266003A · Nov 6
$4,580 USD
View
12 more retailers have this diamond
Prices start from $431 USDSave up to $4,149 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
3.03ct Radiant
$431 USD