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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 $856 SGD
$668 USD
As of October 30, 2026
Save $6,744 SGD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $7,600 SGD 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 29, 2026, with prices from $856 to $7,600, a $6,744 spread on the same certified stone. Do Amore Diamonds lists it at $7,600. 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
Colour
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 30
Current: $7,600 SGD|Low: $856 SGD|High: $7,600 SGD|Avg: $2,943 SGD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 17
Retailer 18
Retailer 19
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Retailer 21
October 30, 2026
Retailer 18$856 SGD
Retailer 4$932 SGD
Retailer 2$948 SGD
Retailer 7$959 SGD
Retailer 21$993 SGD
Retailer 17$1,218 SGD
Retailer 19$1,402 SGD
Retailer 13$1,759 SGD
Retailer 5$1,774 SGD
Retailer 16$2,332 SGD
Retailer 9$2,365 SGD
Retailer 20$2,536 SGD
Retailer 3$3,081 SGD
Retailer 8$3,399 SGD
Retailer 14$3,413 SGD
Retailer 6$3,921 SGD
Retailer 11$4,106 SGD
Retailer 15$4,327 SGD
Retailer 10$4,800 SGD
Retailer 12$7,485 SGD
Do Amore Diamonds$7,600 SGD

32 data points across 21 retailers

23 retailers$856 SGD to $7,600 SGD

A
Cheapest Retailer
-
$856 SGD
$668 USD
A
Retailer 2
-
$932 SGD
$727 USD
View
A
Retailer 3
-
$948 SGD
£583 GBP
View
A
Retailer 4
-
$959 SGD
$748 USD
View
Final sale: no returns
A
Retailer 5
-
$993 SGD
$775 USD
View
Retailer 6
-
$1,001 SGD
$781 USD
View
Price last confirmed 14 days ago
A
Retailer 7
-
$1,218 SGD
$950 USD
View
B+
Retailer 8
-
$1,402 SGD
$1,094 USD
View
A
Retailer 9
-
$1,759 SGD
£1,081 GBP
View
A
Retailer 10
-
$1,774 SGD
$1,384 USD
View
A
Retailer 11
-
$2,332 SGD
ZAR 29,399 ZAR
View
Retailer 12
-
$2,365 SGD
A$2,839 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$2,536 SGD
$1,979 USD
View
B+
Retailer 14
-
$3,081 SGD
$2,404 USD
View
B+
Retailer 15
-
$3,399 SGD
£2,088 GBP
View
B+
Retailer 16
-
$3,413 SGD
$2,663 USD
View
B+
Retailer 17
-
$3,921 SGD
$3,060 USD
View
Retailer 18
-
$4,106 SGD
A$4,928 AUD
View
Price last confirmed 21 days ago
B+
Retailer 19
-
$4,327 SGD
£2,658 GBP
View
B
Retailer 20
-
$4,800 SGD
$3,745 USD
View
Retailer 21
-
$7,062 SGD
$5,510 USD
View
Price last confirmed 42 days ago
B
Retailer 22
-
$7,485 SGD
$5,840 USD
View
Most Expensive
B
Do Amore Diamonds
27-E4D9514C5 · Oct 29
$7,600 SGD
$5,930 USD
View
22 more retailers have this diamond
Prices start from $856 SGDSave up to $6,744 SGD

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
$856 SGD