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Marquise|Lab Grown|IGI

4.05ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG797693506

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG797693506

Diamond specifications and retailer prices

From $1,070 SGD
$835 USD
As of October 30, 2026
Save $10,183 SGD (90%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $11,253 SGD at Brilliant Earth · As of October 28, 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 LG797693506 or 797693506. Listed at 23 retailers as of October 28, 2026, with prices from $1,070 to $11,253, a $10,183 spread on the same certified stone. Brilliant Earth lists it at $11,253. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797693506
Dimensions16.12 × 8.24 × 5.27 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.12 mm8.24 mm4.05 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797693506
Side View
Table 61.0%Crown 36.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 64.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $11,253 SGD|Low: $1,028 SGD|High: $11,599 SGD|Avg: $3,050 SGD|-3.0%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 4$1,070 SGD
Retailer 20$1,165 SGD
Retailer 2$1,186 SGD
Retailer 17$1,242 SGD
Retailer 19$1,242 SGD
Retailer 12$1,279 SGD
Retailer 3$1,493 SGD
Retailer 11$1,553 SGD
Retailer 10$1,735 SGD
Retailer 13$2,107 SGD
Retailer 18$2,854 SGD
Retailer 14$2,918 SGD
Retailer 16$2,934 SGD
Retailer 5$3,854 SGD
Retailer 8$3,885 SGD
Retailer 6$3,901 SGD
Retailer 9$4,261 SGD
Retailer 15$4,655 SGD
Retailer 7$9,510 SGD
Brilliant Earth$11,253 SGD

39 data points across 20 retailers

23 retailers$1,070 SGD to $11,253 SGD

A
Cheapest Retailer
-
$1,070 SGD
$835 USD
A
Retailer 2
-
$1,165 SGD
$909 USD
View
A
Retailer 3
-
$1,186 SGD
£729 GBP
View
Retailer 4
-
$1,242 SGD
$969 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$1,242 SGD
$969 USD
View
A
Retailer 6
-
$1,279 SGD
$998 USD
View
Final sale: no returns
A
Retailer 7
-
$1,493 SGD
$1,165 USD
View
A
Retailer 8
-
$1,553 SGD
$1,212 USD
View
A
Retailer 9
-
$1,735 SGD
$1,354 USD
View
A
Retailer 10
-
$1,817 SGD
$1,418 USD
View
A
Retailer 11
-
$2,107 SGD
£1,294 GBP
View
B+
Retailer 12
-
$2,854 SGD
$2,227 USD
View
B+
Retailer 13
-
$2,918 SGD
ZAR 36,775 ZAR
View
Retailer 14
-
$2,934 SGD
A$3,522 AUD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
$3,789 SGD
£2,328 GBP
View
B+
Retailer 16
-
$3,854 SGD
$3,007 USD
View
B+
Retailer 17
-
$3,885 SGD
$3,031 USD
View
B+
Retailer 18
-
$3,901 SGD
$3,043 USD
View
Retailer 19
-
$4,261 SGD
A$5,115 AUD
View
Price last confirmed 22 days ago
B
Retailer 20
-
$4,655 SGD
£2,860 GBP
View
B
Retailer 21
-
$4,885 SGD
$3,812 USD
View
B
Retailer 22
-
$9,510 SGD
$7,420 USD
View
Most Expensive
B
Brilliant Earth
20120425A · Oct 28
$11,253 SGD
$8,780 USD
View
22 more retailers have this diamond
Prices start from $1,070 SGDSave up to $10,183 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
$1,070 SGD