Marquise|Lab Grown|IGI

3.51ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG801635337

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG801635337

Diamond specifications and retailer prices

From $564 SGD
$441 USD
As of November 2, 2026
Save $3,644 SGD (87%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $4,208 SGD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 3.51ct lab-grown marquise diamond

This 3.51ct 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 LG801635337 or 801635337. Listed at 26 retailers as of November 2, 2026, with prices from $564 to $4,208, a $3,644 spread on the same certified stone. Brilliant Earth lists it at $4,208. 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

3.51
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801635337
Dimensions15.81 × 8.02 × 4.74 mm
L/W Ratio1.97
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.81 mm8.02 mm3.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801635337
Side View
Table 63.0%Crown 34.6°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 59.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $4,208 SGD|Low: $564 SGD|High: $4,348 SGD|Avg: $1,695 SGD|-3.2%
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 3, 2026
Retailer 13$564 SGD
Retailer 5$632 SGD
Retailer 8$810 SGD
Retailer 10$810 SGD
Retailer 9$934 SGD
Retailer 15$940 SGD
Retailer 17$1,106 SGD
Retailer 14$1,147 SGD
Retailer 7$1,284 SGD
Retailer 12$1,524 SGD
Retailer 18$1,535 SGD
Retailer 6$1,708 SGD
Retailer 11$1,714 SGD
Retailer 4$2,292 SGD
Retailer 16$2,511 SGD
Retailer 2$2,571 SGD
Retailer 3$2,618 SGD
Brilliant Earth$4,208 SGD

38 data points across 18 retailers

26 retailers$564 SGD to $4,208 SGD

A
Cheapest Retailer
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$564 SGD
$441 USD
A
Retailer 2
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$632 SGD
$494 USD
View
Final sale: no returns
Retailer 3
-
$652 SGD
$510 USD
View
Price last confirmed 25 days ago
Retailer 4
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$652 SGD
$510 USD
View
Price last confirmed 17 days ago
Retailer 5
-
$652 SGD
$510 USD
View
Price last confirmed 12 days ago
Retailer 6
-
$730 SGD
$571 USD
View
Price last confirmed 9 days ago
Retailer 7
-
$730 SGD
$571 USD
View
Price last confirmed 35 days ago
Retailer 8
-
$798 SGD
$624 USD
View
Price last confirmed 39 days ago
Retailer 9
-
$810 SGD
$633 USD
View
Price last confirmed 31 days ago
Retailer 10
-
$810 SGD
$633 USD
View
Price last confirmed 17 days ago
A
Retailer 11
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$934 SGD
$730 USD
View
B+
Retailer 12
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$940 SGD
$735 USD
View
A
Retailer 13
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$1,106 SGD
$865 USD
View
A
Retailer 14
-
$1,147 SGD
£706 GBP
View
A
Retailer 15
-
$1,524 SGD
ZAR 19,257 ZAR
View
A
Retailer 16
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$1,535 SGD
$1,200 USD
View
A
Retailer 17
-
$1,708 SGD
A$2,055 AUD
View
A
Retailer 18
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$1,714 SGD
$1,340 USD
View
Retailer 19
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$2,128 SGD
$1,664 USD
View
Price last confirmed 33 days ago
Retailer 20
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$2,128 SGD
$1,664 USD
View
Price last confirmed 8 days ago
B+
Retailer 21
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$2,292 SGD
$1,792 USD
View
B+
Retailer 22
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$2,511 SGD
$1,964 USD
View
B+
Retailer 23
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$2,571 SGD
£1,583 GBP
View
B+
Retailer 24
-
$2,618 SGD
$2,047 USD
View
B
Retailer 25
-
$3,415 SGD
$2,670 USD
View
Most Expensive
B
Brilliant Earth
20042804A · Nov 2
$4,208 SGD
$3,290 USD
View
25 more retailers have this diamond
Prices start from $564 SGDSave up to $3,644 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
3.51ct Marquise
$564 SGD