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Radiant|Lab Grown|IGI

4.15ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG579366342

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

Certificate IGI LG579366342

Diamond specifications and retailer prices

From $745 AUD
$523 USD
As of October 30, 2026
Save $4,523 AUD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $5,267 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.15ct lab-grown radiant diamond

This 4.15ct lab-grown radiant sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG579366342 or 579366342. Listed at 22 retailers as of October 30, 2026, with prices from $745 to $5,267, a $4,523 spread on the same certified stone. Brilliant Earth lists it at $5,267. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.15
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.3°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579366342
Dimensions11.80 × 7.90 × 5.19 mm
L/W Ratio1.49
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
11.80 mm7.90 mm4.15 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579366342
Side View
Table 64.0%Crown 44.3°Girdle: MediumPavilion 36.6°Culet: NoneDepth 65.7%

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: Oct 30
Current: $5,267 AUD|Low: $689 AUD|High: $5,524 AUD|Avg: $1,917 AUD|-3.6%
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
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 9$745 AUD
Retailer 11$833 AUD
Retailer 17$834 AUD
Retailer 7$922 AUD
Retailer 2$1,017 AUD
Retailer 4$1,118 AUD
Retailer 19$1,239 AUD
Retailer 18$1,312 AUD
Retailer 12$1,526 AUD
Retailer 16$1,837 AUD
Retailer 14$1,850 AUD
Retailer 5$1,856 AUD
Retailer 13$2,029 AUD
Retailer 6$2,427 AUD
Retailer 8$2,690 AUD
Retailer 10$3,001 AUD
Retailer 3$3,019 AUD
Retailer 15$3,874 AUD
Brilliant Earth$5,267 AUD

40 data points across 19 retailers

22 retailers$745 AUD to $5,267 AUD

A
Cheapest Retailer
-
$745 AUD
$523 USD
A
Retailer 2
-
$833 AUD
$585 USD
View
Final sale: no returns
A
Retailer 3
-
$834 AUD
$586 USD
View
Retailer 4
-
$913 AUD
$641 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$922 AUD
$648 USD
View
A
Retailer 6
-
$1,017 AUD
£563 GBP
View
A
Retailer 7
-
$1,118 AUD
$785 USD
View
B+
Retailer 8
-
$1,239 AUD
$870 USD
View
A
Retailer 9
-
$1,312 AUD
HK$7,200 HKD
View
A
Retailer 10
-
$1,526 AUD
€1,021 EUR
View
A
Retailer 11
-
$1,837 AUD
ZAR 20,844 ZAR
View
A
Retailer 12
-
$1,850 AUD
View
A
Retailer 13
-
$1,856 AUD
$1,304 USD
View
B+
Retailer 14
-
$2,029 AUD
$1,425 USD
View
B+
Retailer 15
-
$2,382 AUD
$1,673 USD
View
B+
Retailer 16
-
$2,427 AUD
$1,705 USD
View
B+
Retailer 17
-
$2,690 AUD
£1,488 GBP
View
B+
Retailer 18
-
$3,001 AUD
$2,108 USD
View
B+
Retailer 19
-
$3,019 AUD
$2,120 USD
View
B
Retailer 20
-
$3,758 AUD
CA$3,667 CAD
View
B
Retailer 21
-
$3,874 AUD
£2,143 GBP
View
Most Expensive
B
Brilliant Earth
16070552A · Oct 31
$5,267 AUD
$3,700 USD
View
21 more retailers have this diamond
Prices start from $745 AUDSave up to $4,523 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
4.15ct Radiant
$745 AUD