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Cushion|Lab Grown|IGI

4.15ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG500144719

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG500144719

Diamond specifications and retailer prices

From $3,970 USD
As of October 31, 2026
10 retailers carry this diamond
Most expensive: $37,571 USD at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 4.15ct lab-grown cushion diamond

This 4.15ct lab-grown cushion 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 LG500144719 or 500144719. Listed at 10 retailers as of October 31, 2026. 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 angle31.6°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500144719
Dimensions9.77 × 9.30 × 5.92 mm
L/W Ratio1.05
Girdle conditionFaceted
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
9.77 mm9.30 mm4.15 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500144719
Side View
Table 63.0%Crown 31.6°Girdle: MED-THKPavilion 39.5°Culet: NoneDepth 63.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $37,571 USD|Low: $3,970 USD|High: $44,003 USD|Avg: $22,502 USD|-10.8%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 8$3,970 USD
Retailer 5$12,738 USD
Retailer 13$16,139 USD
Retailer 10$17,041 USD
Retailer 3$17,066 USD
Retailer 9$17,465 USD
Retailer 7$17,651 USD
Retailer 4$18,950 USD
Retailer 11$25,283 USD
Retailer 2$27,874 USD
Cape Diamonds$37,571 USD
Retailer 6$38,399 USD
Retailer 12$44,003 USD

19 data points across 13 retailers

10 retailers

B+
Cheapest Retailer
-
$3,970 USD
Retailer 2
-
$16,139 USD
View
Price under review
Retailer 3
-
$17,041 USD
View
Price under review
Final sale: no returns
Retailer 4
-
$27,874 USD
£21,948 GBP
View
Price under review
Most Expensive
Cape Diamonds
cert_500144719 · Oct 29
$37,571 USD
ZAR 606,969 ZAR
View
Price under review
4 more retailers have this diamond
Prices start from $3,970 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.

B+
4.15ct Cushion
$3,970 USD