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Marquise|Lab Grown|IGI

4.05ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG825693506

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825693506

Diamond specifications and retailer prices

From $870 SGD
£534 GBP
As of October 30, 2026
Save $2,705 SGD (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,947 SGD at Rare Carat · As of October 7, 2026
View at Rare Carat

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 LG825693506 or 825693506. Listed at 17 retailers as of October 30, 2026, with a 311% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.1°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825693506
Dimensions16.80 × 8.44 × 4.99 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.80 mm8.44 mm4.05 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825693506
Side View
Table 63.0%Crown 35.1°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 59.1%

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 30
Current: $4,947 SGD|Low: $870 SGD|High: $4,947 SGD|Avg: $2,591 SGD
Rare Carat
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
October 30, 2026
Retailer 12$870 SGD
Retailer 10$960 SGD
Retailer 15$1,230 SGD
Retailer 13$1,608 SGD
Retailer 4$1,637 SGD
Retailer 5$1,643 SGD
Retailer 17$2,139 SGD
Retailer 8$2,224 SGD
Retailer 14$2,288 SGD
Retailer 6$2,590 SGD
Retailer 16$3,125 SGD
Retailer 7$3,281 SGD
Retailer 11$3,315 SGD
Retailer 2$3,435 SGD
Retailer 3$3,575 SGD
Retailer 9$4,076 SGD
Rare Carat$4,947 SGD

25 data points across 17 retailers

17 retailers$870 SGD to $3,575 SGD

A
Cheapest Retailer
-
$870 SGD
£534 GBP
A
Retailer 2
-
$960 SGD
$749 USD
View
Final sale: no returns
A
Retailer 3
-
$1,230 SGD
$960 USD
View
A
Retailer 4
-
$1,608 SGD
£988 GBP
View
A
Retailer 5
-
$1,637 SGD
$1,277 USD
View
A
Retailer 6
-
$1,643 SGD
€1,221 EUR
View
A
Retailer 7
-
$2,139 SGD
ZAR 26,961 ZAR
View
Retailer 8
-
$2,224 SGD
A$2,670 AUD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$2,288 SGD
$1,785 USD
View
B+
Retailer 10
-
$2,590 SGD
$2,021 USD
View
B+
Retailer 11
-
$3,125 SGD
£1,920 GBP
View
B+
Retailer 12
-
$3,281 SGD
$2,560 USD
View
B+
Retailer 13
-
$3,315 SGD
$2,586 USD
View
B+
Retailer 14
-
$3,435 SGD
$2,680 USD
View
B+
Retailer 15
-
$3,575 SGD
$2,789 USD
View
Retailer 16
-
$4,076 SGD
£2,504 GBP
View
Price last confirmed 12 days ago
Most Expensive
Rare Carat
DGD-DNG-21648 · Oct 7
$4,947 SGD
$3,860 USD
View
Price last confirmed 23 days ago
16 more retailers have this diamond
Prices start from $870 SGDSave up to $2,705 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
$870 SGD