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Marquise|Lab Grown|IGI

4.05ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG791626085

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG791626085

Diamond specifications and retailer prices

From $668 USD
As of October 27, 2026
Save $5,262 USD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $5,930 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG791626085 or 791626085. Listed at 23 retailers as of October 27, 2026, with prices from $668 to $5,930, a $5,262 spread on the same certified stone. Do Amore Diamonds lists it at $5,930. 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 angle33.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791626085
Dimensions16.56 × 8.43 × 5.17 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.56 mm8.43 mm4.05 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791626085
Side View
Table 60.0%Crown 33.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.3%

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 27
Current: $5,930 USD|Low: $668 USD|High: $5,930 USD|Avg: $2,329 USD
Do Amore Diamonds
Retailer 2
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Retailer 21
October 29, 2026
Retailer 18$668 USD
Retailer 4$727 USD
Retailer 15$742 USD
Retailer 7$748 USD
Retailer 21$775 USD
Retailer 17$950 USD
Retailer 19$1,094 USD
Retailer 2$1,368 USD
Retailer 5$1,384 USD
Retailer 16$1,820 USD
Retailer 9$1,845 USD
Retailer 20$1,979 USD
Retailer 3$2,404 USD
Retailer 8$2,652 USD
Retailer 14$2,663 USD
Retailer 6$3,060 USD
Retailer 11$3,203 USD
Retailer 13$3,376 USD
Retailer 10$3,745 USD
Retailer 12$5,840 USD
Do Amore Diamonds$5,930 USD

32 data points across 21 retailers

23 retailers$668 USD to $5,930 USD

A
Cheapest Retailer
-
$668 USD
A
Retailer 2
-
$727 USD
View
A
Retailer 3
-
$742 USD
£584 GBP
View
A
Retailer 4
-
$748 USD
View
Final sale: no returns
A
Retailer 5
-
$775 USD
View
Retailer 6
-
$781 USD
View
Price last confirmed 13 days ago
A
Retailer 7
-
$950 USD
View
B+
Retailer 8
-
$1,094 USD
View
A
Retailer 9
-
$1,368 USD
£1,077 GBP
View
A
Retailer 10
-
$1,384 USD
View
A
Retailer 11
-
$1,820 USD
ZAR 29,399 ZAR
View
Retailer 12
-
$1,845 USD
A$2,839 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$1,979 USD
View
B+
Retailer 14
-
$2,404 USD
View
B+
Retailer 15
-
$2,652 USD
£2,088 GBP
View
B+
Retailer 16
-
$2,663 USD
View
B+
Retailer 17
-
$3,060 USD
View
Retailer 18
-
$3,203 USD
A$4,928 AUD
View
Price last confirmed 21 days ago
B+
Retailer 19
-
$3,376 USD
£2,658 GBP
View
B
Retailer 20
-
$3,745 USD
View
Retailer 21
-
$5,510 USD
View
Price last confirmed 42 days ago
B
Retailer 22
-
$5,840 USD
View
Most Expensive
B
Do Amore Diamonds
27-E4D9514C5 · Oct 29
$5,930 USD
View
22 more retailers have this diamond
Prices start from $668 USDSave up to $5,262 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
$668 USD