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Marquise|Lab Grown|IGI

3.51ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG833671859

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG833671859

Diamond specifications and retailer prices

From $1,115 USD
As of October 28, 2026
Save $4,335 USD (80%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,450 USD at Do Amore Diamonds · As of October 27, 2026
View at Do Amore Diamonds

About this 3.51ct lab-grown marquise diamond

This 3.51ct 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 LG833671859 or 833671859. Listed at 8 retailers as of October 27, 2026, with prices from $1,115 to $5,450, a $4,335 spread on the same certified stone. Do Amore Diamonds lists it at $5,450. 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
F
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833671859
Dimensions15.69 × 7.86 × 4.91 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.69 mm7.86 mm3.51 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833671859
Side View
Table 59.0%Crown 34.3°Girdle: MED-THKPavilion 40.1°Culet: NoneDepth 62.5%

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 28
Current: $5,450 USD|Low: $805 USD|High: $5,450 USD|Avg: $1,797 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 25, 2026
Retailer 8$869 USD
Retailer 6$990 USD
Retailer 4$1,115 USD
Retailer 5$1,222 USD
Retailer 10$1,902 USD
Retailer 9$2,431 USD
Retailer 7$2,615 USD
Retailer 3$2,630 USD
Retailer 2$3,245 USD
Do Amore Diamonds$5,450 USD

13 data points across 10 retailers

8 retailers$1,115 USD to $5,450 USD

A
Cheapest Retailer
-
$1,115 USD
A
Retailer 2
-
$1,222 USD
View
Retailer 3
-
$1,902 USD
SGD 2,570 SGD
View
Price last confirmed 28 days ago
Retailer 4
-
$2,431 USD
A$3,740 AUD
View
Price last confirmed 29 days ago
Retailer 5
-
$2,630 USD
View
Price last confirmed 11 days ago
B
Retailer 6
-
$3,245 USD
£2,555 GBP
View
Retailer 7
-
$3,470 USD
View
Price last confirmed 35 days ago
Most Expensive
B
Do Amore Diamonds
7-1799582 · Oct 27
$5,450 USD
View
7 more retailers have this diamond
Prices start from $1,115 USDSave up to $4,335 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
$1,115 USD