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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 $473 USD
As of November 1, 2026
Save $1,747 USD (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,220 USD 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 $473 to $2,220, a $1,747 spread on the same certified stone. Brilliant Earth lists it at $2,220. 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: Nov 1
Current: $2,220 USD|Low: $407 USD|High: $4,230 USD|Avg: $1,278 USD|-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$424 USD
Retailer 6$473 USD
Retailer 4$474 USD
Retailer 15$525 USD
Retailer 12$670 USD
Retailer 10$816 USD
Retailer 3$828 USD
Retailer 9$866 USD
Retailer 5$908 USD
Retailer 11$1,183 USD
Retailer 13$1,233 USD
Retailer 16$1,688 USD
Retailer 8$1,907 USD
Retailer 2$1,929 USD
Retailer 7$2,148 USD
Brilliant Earth$2,220 USD

39 data points across 16 retailers

18 retailers$473 USD to $2,220 USD

Retailer 1
-
$424 USD
Price last confirmed 11 days ago
A
Retailer 2
-
$473 USD
View
Final sale: no returns
Retailer 3
-
$474 USD
View
Price last confirmed 12 days ago
Retailer 4
-
$525 USD
View
Price last confirmed 10 days ago
Retailer 5
-
$525 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$670 USD
View
A
Retailer 7
-
$816 USD
€777 EUR
View
B+
Retailer 8
-
$828 USD
View
A
Retailer 9
-
$866 USD
£682 GBP
View
A
Retailer 10
-
$908 USD
View
B+
Retailer 11
-
$1,183 USD
View
B+
Retailer 12
-
$1,233 USD
View
Retailer 13
-
$1,688 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
$1,721 USD
View
B
Retailer 15
-
$1,907 USD
View
B
Retailer 16
-
$1,929 USD
£1,519 GBP
View
Retailer 17
-
$2,148 USD
View
Price last confirmed 53 days ago
Most Expensive
B
Brilliant Earth
7851088A · Oct 31
$2,220 USD
View
17 more retailers have this diamond
Prices start from $473 USDSave up to $1,747 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
$473 USD