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Radiant|Lab Grown|IGI

3.19ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG593381287

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

Certificate IGI LG593381287

Diamond specifications and retailer prices

From €423 EUR
$473 USD
As of October 31, 2026
Save €1,564 EUR (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,987 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.19ct lab-grown radiant diamond

This 3.19ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG593381287 or 593381287. Listed at 18 retailers as of October 31, 2026, with prices from €423 to €1,987, a €1,564 spread on the same certified stone. Brilliant Earth lists it at €1,987. 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
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.2°
Pavilion angle30.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG593381287
Dimensions9.80 × 6.96 × 4.88 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.80 mm6.96 mm3.19 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG593381287
Side View
Table 69.0%Crown 47.2°Girdle: STK-THKPavilion 30.9°Culet: NoneDepth 70.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: €1,987 EUR|Low: €364 EUR|High: €3,786 EUR|Avg: €1,144 EUR|-47.5%
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
November 1, 2026
Retailer 14€380 EUR
Retailer 6€423 EUR
Retailer 4€424 EUR
Retailer 15€470 EUR
Retailer 11€600 EUR
Retailer 9€730 EUR
Retailer 3€741 EUR
Retailer 2€775 EUR
Retailer 5€813 EUR
Retailer 10€1,059 EUR
Retailer 13€1,104 EUR
Retailer 16€1,511 EUR
Retailer 8€1,707 EUR
Retailer 12€1,736 EUR
Retailer 7€1,923 EUR
Brilliant Earth€1,987 EUR

39 data points across 16 retailers

18 retailers€423 EUR to €1,987 EUR

Retailer 1
-
€380 EUR
$424 USD
Price last confirmed 10 days ago
A
Retailer 2
-
€423 EUR
$473 USD
View
Final sale: no returns
Retailer 3
-
€424 EUR
$474 USD
View
Price last confirmed 11 days ago
Retailer 4
-
€470 EUR
$525 USD
View
Price last confirmed 10 days ago
Retailer 5
-
€470 EUR
$525 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
€600 EUR
$670 USD
View
A
Retailer 7
-
€730 EUR
View
B+
Retailer 8
-
€741 EUR
$828 USD
View
A
Retailer 9
-
€775 EUR
£682 GBP
View
A
Retailer 10
-
€813 EUR
$908 USD
View
B+
Retailer 11
-
€1,059 EUR
$1,183 USD
View
B+
Retailer 12
-
€1,104 EUR
$1,233 USD
View
Retailer 13
-
€1,511 EUR
$1,688 USD
View
Price last confirmed 9 days ago
B
Retailer 14
-
€1,541 EUR
$1,721 USD
View
B
Retailer 15
-
€1,707 EUR
$1,907 USD
View
Retailer 16
-
€1,736 EUR
£1,527 GBP
View
Price last confirmed 10 days ago
Retailer 17
-
€1,923 EUR
$2,148 USD
View
Price last confirmed 52 days ago
Most Expensive
B
Brilliant Earth
7851088A · Oct 31
€1,987 EUR
$2,220 USD
View
17 more retailers have this diamond
Prices start from €423 EURSave up to €1,564 EUR

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
€423 EUR