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Cushion|Lab Grown|IGI

4.15ct E VS2 Cushion Lab Grown Diamond

ID • E/VS2 • IGI LG678564258

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG678564258

Diamond specifications and retailer prices

From $858 USD
As of October 29, 2026
Save $4,702 USD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,560 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.15ct lab-grown cushion diamond

This 4.15ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG678564258 or 678564258. Listed at 12 retailers as of October 29, 2026, with prices from $858 to $5,560, a $4,702 spread on the same certified stone. Brilliant Earth lists it at $5,560. 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
E
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678564258
Dimensions10.81 × 8.69 × 5.70 mm
L/W Ratio1.24
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.81 mm8.69 mm4.15 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678564258
Side View
Table 64.0%Crown 34.3°Girdle: STK-THKPavilion 37.8°Culet: NoneDepth 65.6%

Caratlytics Score

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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 29
Current: $5,560 USD|Low: $612 USD|High: $6,860 USD|Avg: $2,510 USD|-1.6%
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
October 30, 2026
Retailer 13$858 USD
Retailer 12$890 USD
Retailer 10$1,070 USD
Retailer 2$1,364 USD
Retailer 7$1,426 USD
Retailer 11$1,439 USD
Retailer 4$1,738 USD
Retailer 9$2,758 USD
Retailer 14$2,864 USD
Retailer 6$3,017 USD
Retailer 3$3,073 USD
Retailer 8$3,340 USD
Brilliant Earth$5,560 USD
Retailer 5$6,860 USD

42 data points across 14 retailers

12 retailers$858 USD to $5,560 USD

A
Cheapest Retailer
-
$858 USD
Final sale: no returns
Retailer 2
-
$890 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$1,070 USD
View
A
Retailer 4
-
$1,364 USD
£1,074 GBP
View
A
Retailer 5
-
$1,426 USD
€1,358 EUR
View
A
Retailer 6
-
$1,439 USD
View
A
Retailer 7
-
$1,738 USD
View
B+
Retailer 8
-
$2,758 USD
£2,172 GBP
View
B+
Retailer 9
-
$2,864 USD
View
B+
Retailer 10
-
$3,073 USD
View
B+
Retailer 11
-
$3,340 USD
£2,630 GBP
View
Most Expensive
B
Brilliant Earth
13097430A · Oct 30
$5,560 USD
View
11 more retailers have this diamond
Prices start from $858 USDSave up to $4,702 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 Cushion
$858 USD