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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 $673 AUD
$473 USD
As of November 1, 2026
Save $2,487 AUD (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,160 AUD 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 $673 to $3,160, a $2,487 spread on the same certified stone. Brilliant Earth lists it at $3,160. 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
Colour
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: $3,160 AUD|Low: $579 AUD|High: $6,022 AUD|Avg: $1,819 AUD|-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$604 AUD
Retailer 6$673 AUD
Retailer 4$675 AUD
Retailer 15$747 AUD
Retailer 12$954 AUD
Retailer 10$1,161 AUD
Retailer 3$1,179 AUD
Retailer 9$1,232 AUD
Retailer 5$1,293 AUD
Retailer 11$1,684 AUD
Retailer 13$1,755 AUD
Retailer 16$2,403 AUD
Retailer 8$2,715 AUD
Retailer 2$2,746 AUD
Retailer 7$3,058 AUD
Brilliant Earth$3,160 AUD

39 data points across 16 retailers

18 retailers$673 AUD to $3,160 AUD

Retailer 1
-
$604 AUD
$424 USD
Price last confirmed 11 days ago
A
Retailer 2
-
$673 AUD
$473 USD
View
Final sale: no returns
Retailer 3
-
$675 AUD
$474 USD
View
Price last confirmed 12 days ago
Retailer 4
-
$747 AUD
$525 USD
View
Price last confirmed 10 days ago
Retailer 5
-
$747 AUD
$525 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$954 AUD
$670 USD
View
A
Retailer 7
-
$1,161 AUD
€777 EUR
View
B+
Retailer 8
-
$1,179 AUD
$828 USD
View
A
Retailer 9
-
$1,232 AUD
£682 GBP
View
A
Retailer 10
-
$1,293 AUD
$908 USD
View
B+
Retailer 11
-
$1,684 AUD
$1,183 USD
View
B+
Retailer 12
-
$1,755 AUD
$1,233 USD
View
Retailer 13
-
$2,403 AUD
$1,688 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
$2,451 AUD
$1,721 USD
View
B
Retailer 15
-
$2,715 AUD
$1,907 USD
View
B
Retailer 16
-
$2,746 AUD
£1,519 GBP
View
Retailer 17
-
$3,058 AUD
$2,148 USD
View
Price last confirmed 53 days ago
Most Expensive
B
Brilliant Earth
7851088A · Oct 31
$3,160 AUD
$2,220 USD
View
17 more retailers have this diamond
Prices start from $673 AUDSave up to $2,487 AUD

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
$673 AUD