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Marquise|Lab Grown|IGI

3.50ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG752523278

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG752523278

Diamond specifications and retailer prices

From $1,936 SGD
CA$2,103 CAD
As of November 2, 2026
Save $857 SGD (31%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,793 SGD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 3.5ct lab-grown marquise diamond

This 3.5ct 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 LG752523278 or 752523278. Listed at 2 retailers as of November 1, 2026, with prices from $1,936 to $2,793, a $857 spread on the same certified stone. The Diamond Guys lists it at $2,793. 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

3.50
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG752523278
Dimensions16.38 × 7.80 × 4.87 mm
L/W Ratio2.10
Girdle conditionFaceted
Culet sizePointed
Top View
16.38 mm7.80 mm3.50 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG752523278
Side View
Table 63.0%Crown 35°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,599 SGD|Low: $679 SGD|High: $4,598 SGD|Avg: $1,748 SGD|-21.1%
Retailer 1
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
The Diamond Guys
August 3, 2026
Retailer 6$853 SGD
Retailer 3$902 SGD
Retailer 4$919 SGD
Retailer 8$1,211 SGD
Retailer 12$1,246 SGD
Retailer 14$1,375 SGD
Retailer 11$1,590 SGD
Retailer 1$1,599 SGD
Retailer 5$1,871 SGD
Retailer 9$1,936 SGD
Retailer 10$2,379 SGD
Retailer 2$2,588 SGD
The Diamond Guys$2,793 SGD
Retailer 7$4,180 SGD
Retailer 13$4,412 SGD

57 data points across 15 retailers

2 retailers$1,936 SGD to $2,793 SGD

B+
Cheapest Retailer
-
$1,936 SGD
CA$2,103 CAD
Most Expensive
B
The Diamond Guys
1958037485 · Nov 1
$2,793 SGD
$2,184 USD
View
1 more retailer has this diamond
Prices start from $1,936 SGDSave up to $857 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.

B+
3.50ct Marquise
$1,936 SGD