Marquise|Lab Grown|IGI

4.05ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG848605892

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG848605892

Diamond specifications and retailer prices

From $700 USD
As of October 27, 2026
Save $5,670 USD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,370 USD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 4.05ct lab-grown marquise diamond

This 4.05ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG848605892 or 848605892. Listed at 15 retailers as of October 26, 2026, with prices from $700 to $6,370, a $5,670 spread on the same certified stone. Brilliant Earth lists it at $6,370. 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

4.05
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848605892
Dimensions16.69 × 8.41 × 5.19 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.69 mm8.41 mm4.05 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848605892
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 61.7%

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 27
Current: $6,370 USD|Low: $700 USD|High: $6,370 USD|Avg: $2,148 USD
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
October 28, 2026
Retailer 8$700 USD
Retailer 2$705 USD
Retailer 4$762 USD
Retailer 6$934 USD
Retailer 15$990 USD
Retailer 13$1,155 USD
Retailer 12$1,319 USD
Retailer 5$1,817 USD
Retailer 14$2,001 USD
Retailer 3$2,284 USD
Retailer 7$2,710 USD
Retailer 10$2,869 USD
Retailer 11$3,195 USD
Retailer 9$4,565 USD
Brilliant Earth$6,370 USD

5 data points across 15 retailers

15 retailers$700 USD to $6,370 USD

A
Cheapest Retailer
-
$700 USD
A
Retailer 2
-
$705 USD
£555 GBP
View
A
Retailer 3
-
$762 USD
View
A
Retailer 4
-
$934 USD
HK$7,300 HKD
View
A
Retailer 5
-
$990 USD
View
A
Retailer 6
-
$1,155 USD
View
A
Retailer 7
-
$1,319 USD
View
A
Retailer 8
-
$1,817 USD
View
B+
Retailer 9
-
$2,001 USD
View
B+
Retailer 10
-
$2,284 USD
View
B+
Retailer 11
-
$2,710 USD
SGD 3,662 SGD
View
B+
Retailer 12
-
$2,869 USD
View
B
Retailer 13
-
$3,195 USD
£2,516 GBP
View
B
Retailer 14
-
$4,565 USD
View
Most Expensive
B
Brilliant Earth
22246145A · Oct 26
$6,370 USD
View
14 more retailers have this diamond
Prices start from $700 USDSave up to $5,670 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
4.05ct Marquise
$700 USD