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Marquise|Lab Grown|IGI

3.51ct G VVS2 Marquise Lab Grown Diamond

ID • G/VVS2 • IGI LG830677496

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830677496

Diamond specifications and retailer prices

From $500 USD
As of October 27, 2026
Save $2,370 USD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,870 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG830677496 or 830677496. Listed at 19 retailers as of October 27, 2026, with prices from $500 to $2,870, a $2,370 spread on the same certified stone. Rare Carat lists it at $2,870. 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
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830677496
Dimensions14.64 × 7.84 × 5.03 mm
L/W Ratio1.87
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.64 mm7.84 mm3.51 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830677496
Side View
Table 63.0%Crown 35.6°Girdle: STK-THKPavilion 40.1°Culet: NoneDepth 64.2%

Caratlytics Score

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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 27
Current: $2,870 USD|Low: $480 USD|High: $2,880 USD|Avg: $1,316 USD|-0.3%
Rare Carat
Retailer 2
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Retailer 11
Retailer 12
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Retailer 19
October 29, 2026
Retailer 18$500 USD
Retailer 9$559 USD
Retailer 17$559 USD
Retailer 4$619 USD
Retailer 14$619 USD
Retailer 2$659 USD
Retailer 5$795 USD
Retailer 13$795 USD
Retailer 10$931 USD
Retailer 12$1,026 USD
Retailer 6$1,309 USD
Retailer 3$1,338 USD
Retailer 19$1,598 USD
Retailer 15$1,629 USD
Retailer 11$2,018 USD
Retailer 7$2,149 USD
Retailer 8$2,318 USD
Retailer 16$2,590 USD
Rare Carat$2,870 USD

36 data points across 19 retailers

19 retailers$500 USD to $2,870 USD

A
Cheapest Retailer
-
$500 USD
A
Retailer 2
-
$559 USD
View
A
Retailer 3
-
$559 USD
View
Final sale: no returns
Retailer 4
-
$619 USD
View
Price last confirmed 21 days ago
Retailer 5
-
$619 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$659 USD
£519 GBP
View
B+
Retailer 7
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$795 USD
View
A
Retailer 8
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$795 USD
View
A
Retailer 9
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$931 USD
View
A
Retailer 10
-
$1,026 USD
£808 GBP
View
A
Retailer 11
-
$1,309 USD
View
Retailer 12
-
$1,338 USD
ZAR 21,608 ZAR
View
Price last confirmed 18 days ago
B+
Retailer 13
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$1,598 USD
View
B+
Retailer 14
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$1,629 USD
View
B+
Retailer 15
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$2,018 USD
View
B+
Retailer 16
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$2,149 USD
View
B+
Retailer 17
-
$2,318 USD
View
Retailer 18
-
$2,590 USD
£2,039 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Rare Carat
546/20A_l_830677496 · Oct 28
$2,870 USD
View
18 more retailers have this diamond
Prices start from $500 USDSave up to $2,370 USD

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
$500 USD