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Marquise|Lab Grown|IGI

4.00ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG800615838

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800615838

Diamond specifications and retailer prices

From $669 SGD
$523 USD
As of October 30, 2026
Save $3,806 SGD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,474 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4ct lab-grown marquise diamond

This 4ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG800615838 or 800615838. Listed at 21 retailers as of October 30, 2026, with prices from $669 to $4,474, a $3,806 spread on the same certified stone. Brilliant Earth lists it at $4,474. 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

4.00
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800615838
Dimensions17.34 × 8.38 × 4.71 mm
L/W Ratio2.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.34 mm8.38 mm4.00 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800615838
Side View
Table 69.0%Crown 34.8°Girdle: STK-THKPavilion 38°Culet: NoneDepth 56.2%

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: $4,474 SGD|Low: $649 SGD|High: $7,990 SGD|Avg: $1,991 SGD|-44.0%
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
Retailer 21
November 1, 2026
Retailer 8$669 SGD
Retailer 12$749 SGD
Retailer 20$749 SGD
Retailer 3$830 SGD
Retailer 11$830 SGD
Retailer 14$996 SGD
Retailer 18$1,004 SGD
Retailer 4$1,237 SGD
Retailer 13$1,275 SGD
Retailer 17$1,650 SGD
Retailer 15$1,662 SGD
Retailer 21$1,760 SGD
Retailer 19$1,824 SGD
Retailer 10$2,181 SGD
Retailer 5$2,416 SGD
Retailer 9$2,696 SGD
Retailer 6$3,076 SGD
Retailer 2$3,464 SGD
Retailer 16$3,481 SGD
Retailer 7$3,633 SGD
Brilliant Earth$4,474 SGD

41 data points across 21 retailers

21 retailers$669 SGD to $4,474 SGD

A
Cheapest Retailer
-
$669 SGD
$523 USD
A
Retailer 2
-
$749 SGD
$586 USD
View
Final sale: no returns
A
Retailer 3
-
$749 SGD
$586 USD
View
Retailer 4
-
$830 SGD
$649 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$830 SGD
$649 USD
View
B+
Retailer 6
-
$996 SGD
$779 USD
View
A
Retailer 7
-
$1,004 SGD
$785 USD
View
A
Retailer 8
-
$1,237 SGD
$968 USD
View
A
Retailer 9
-
$1,275 SGD
£785 GBP
View
A
Retailer 10
-
$1,650 SGD
ZAR 20,853 ZAR
View
A
Retailer 11
-
$1,662 SGD
A$2,000 AUD
View
A
Retailer 12
-
$1,760 SGD
$1,377 USD
View
A
Retailer 13
-
$1,824 SGD
$1,427 USD
View
B+
Retailer 14
-
$2,181 SGD
$1,706 USD
View
B+
Retailer 15
-
$2,416 SGD
£1,488 GBP
View
B+
Retailer 16
-
$2,696 SGD
$2,109 USD
View
B+
Retailer 17
-
$3,076 SGD
$2,406 USD
View
B
Retailer 18
-
$3,464 SGD
$2,710 USD
View
B
Retailer 19
-
$3,481 SGD
£2,144 GBP
View
B
Retailer 20
-
$3,633 SGD
$2,842 USD
View
Most Expensive
B
Brilliant Earth
20238254A · Oct 31
$4,474 SGD
$3,500 USD
View
20 more retailers have this diamond
Prices start from $669 SGDSave up to $3,806 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
4.00ct Marquise
$669 SGD