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Radiant|Lab Grown|IGI

3.19ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG671482181

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

Certificate IGI LG671482181

Diamond specifications and retailer prices

From $396 USD
As of October 30, 2026
Save $3,124 USD (89%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,520 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.19ct lab-grown radiant diamond

This 3.19ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG671482181 or 671482181. Listed at 9 retailers as of October 29, 2026, with prices from $396 to $3,520, a $3,124 spread on the same certified stone. Do Amore Diamonds lists it at $3,520. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.19
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.2°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG671482181
Dimensions10.32 × 7.19 × 4.88 mm
L/W Ratio1.44
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.32 mm7.19 mm3.19 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG671482181
Side View
Table 66.0%Crown 45.2°Girdle: MediumPavilion 35.7°Culet: NoneDepth 67.9%

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: $3,520 USD|Low: $376 USD|High: $3,520 USD|Avg: $1,662 USD|+2.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 28, 2026
Retailer 5$396 USD
Retailer 7$779 USD
Retailer 2$780 USD
Retailer 3$1,378 USD
Retailer 8$1,454 USD
Retailer 6$1,743 USD
Retailer 4$2,003 USD
Retailer 9$2,730 USD
Do Amore Diamonds$3,520 USD

15 data points across 9 retailers

9 retailers$396 USD to $3,520 USD

A
Cheapest Retailer
-
$396 USD
B+
Retailer 2
-
$779 USD
View
B+
Retailer 3
-
$780 USD
View
B+
Retailer 4
-
$1,378 USD
View
B+
Retailer 5
-
$1,454 USD
View
B
Retailer 6
-
$1,743 USD
View
B
Retailer 7
-
$2,003 USD
£1,577 GBP
View
B
Retailer 8
-
$2,730 USD
View
Most Expensive
B
Do Amore Diamonds
27-81D3E1E00 · Oct 29
$3,520 USD
View
8 more retailers have this diamond
Prices start from $396 USDSave up to $3,124 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
3.19ct Radiant
$396 USD