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Marquise|Lab Grown|IGI

3.50ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG817664077

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG817664077

Diamond specifications and retailer prices

From $643 SGD
$503 USD
As of November 2, 2026
Save $2,835 SGD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,479 SGD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.5ct lab-grown marquise diamond

This 3.5ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817664077 or 817664077. Listed at 16 retailers as of October 28, 2026, with prices from $643 to $3,479, a $2,835 spread on the same certified stone. Rare Carat lists it at $3,479. 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
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817664077
Dimensions15.47 × 8.21 × 4.84 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.47 mm8.21 mm3.50 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817664077
Side View
Table 64.0%Crown 33.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.0%

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: Nov 2
Current: $3,479 SGD|Low: $618 SGD|High: $3,536 SGD|Avg: $1,752 SGD|-1.6%
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
November 2, 2026
Retailer 14$643 SGD
Retailer 13$721 SGD
Retailer 15$798 SGD
Retailer 16$798 SGD
Retailer 2$955 SGD
Retailer 11$978 SGD
Retailer 5$1,242 SGD
Retailer 6$1,280 SGD
Retailer 9$1,318 SGD
Retailer 8$1,663 SGD
Retailer 12$2,060 SGD
Retailer 3$2,100 SGD
Retailer 7$2,600 SGD
Retailer 4$2,961 SGD
Retailer 10$3,333 SGD
Rare Carat$3,479 SGD

42 data points across 16 retailers

16 retailers$643 SGD to $3,479 SGD

A
Cheapest Retailer
-
$643 SGD
$503 USD
A
Retailer 2
-
$721 SGD
$564 USD
View
A
Retailer 3
-
$798 SGD
$624 USD
View
Retailer 4
-
$798 SGD
$624 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$955 SGD
£588 GBP
View
A
Retailer 6
-
$978 SGD
$765 USD
View
B+
Retailer 7
-
$1,242 SGD
$971 USD
View
A
Retailer 8
-
$1,280 SGD
$1,001 USD
View
A
Retailer 9
-
$1,318 SGD
£812 GBP
View
A
Retailer 10
-
$1,663 SGD
$1,300 USD
View
B+
Retailer 11
-
$2,060 SGD
$1,611 USD
View
B+
Retailer 12
-
$2,100 SGD
$1,642 USD
View
Retailer 13
-
$2,600 SGD
$2,033 USD
View
Price last confirmed 15 days ago
B
Retailer 14
-
$2,961 SGD
$2,315 USD
View
B
Retailer 15
-
$3,333 SGD
£2,052 GBP
View
Most Expensive
B+
Rare Carat
TDS4-12A_l_817664077 · Oct 28
$3,479 SGD
$2,720 USD
View
15 more retailers have this diamond
Prices start from $643 SGDSave up to $2,835 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
3.50ct Marquise
$643 SGD