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 $523 USD
As of October 30, 2026
Save $3,177 USD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,700 USD at Brilliant Earth · As of October 30, 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 $523 to $3,700, a $3,177 spread on the same certified stone. Brilliant Earth lists it at $3,700. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,700 USD|Low: $484 USD|High: $3,880 USD|Avg: $1,384 USD|-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
Retailer 20
October 30, 2026
Retailer 9$523 USD
Retailer 11$585 USD
Retailer 16$586 USD
Retailer 7$648 USD
Retailer 2$717 USD
Retailer 4$785 USD
Retailer 19$870 USD
Retailer 18$922 USD
Retailer 17$1,068 USD
Retailer 15$1,290 USD
Retailer 13$1,299 USD
Retailer 5$1,304 USD
Retailer 3$1,673 USD
Retailer 6$1,705 USD
Retailer 8$1,890 USD
Retailer 12$1,991 USD
Retailer 10$2,108 USD
Retailer 20$2,120 USD
Retailer 14$2,722 USD
Brilliant Earth$3,700 USD

39 data points across 20 retailers

22 retailers$523 USD to $3,700 USD

A
Cheapest Retailer
-
$523 USD
A
Retailer 2
-
$585 USD
View
Final sale: no returns
A
Retailer 3
-
$586 USD
View
Retailer 4
-
$641 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$648 USD
View
A
Retailer 6
-
$717 USD
£564 GBP
View
A
Retailer 7
-
$785 USD
View
B+
Retailer 8
-
$870 USD
View
A
Retailer 9
-
$922 USD
HK$7,200 HKD
View
A
Retailer 10
-
$1,068 USD
€1,017 EUR
View
Price last confirmed 7 days ago
A
Retailer 11
-
$1,290 USD
ZAR 20,844 ZAR
View
A
Retailer 12
-
$1,299 USD
A$1,999 AUD
View
A
Retailer 13
-
$1,304 USD
View
Retailer 14
-
$1,407 USD
View
Price last confirmed 11 days ago
B+
Retailer 15
-
$1,673 USD
View
B+
Retailer 16
-
$1,705 USD
View
B+
Retailer 17
-
$1,890 USD
£1,488 GBP
View
B+
Retailer 18
-
$2,108 USD
View
B+
Retailer 19
-
$2,120 USD
View
B
Retailer 20
-
$2,640 USD
CA$3,667 CAD
View
B
Retailer 21
-
$2,722 USD
£2,143 GBP
View
Most Expensive
B
Brilliant Earth
16070552A · Oct 30
$3,700 USD
View
21 more retailers have this diamond
Prices start from $523 USDSave up to $3,177 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
4.15ct Radiant
$523 USD