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Marquise|Lab Grown|IGI

3.17ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG801658052

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG801658052

Diamond specifications and retailer prices

From $598 USD
As of October 30, 2026
Save $146 USD (20%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,250 USD at Rare Carat · As of October 7, 2026
View at Rare Carat

About this 3.17ct lab-grown marquise diamond

This 3.17ct 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 LG801658052 or 801658052. Listed at 3 retailers as of October 25, 2026, with a relatively tight 24% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

3.17
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801658052
Dimensions14.75 × 7.67 × 4.88 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.75 mm7.67 mm3.17 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801658052
Side View
Table 58.0%Crown 34.4°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $2,250 USD|Low: $598 USD|High: $2,499 USD|Avg: $1,191 USD|-10.0%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 25, 2026
Retailer 3$598 USD
Retailer 2$744 USD
Retailer 4$845 USD
Retailer 7$923 USD
Retailer 5$1,421 USD
Retailer 6$1,435 USD
Rare Carat$2,250 USD

9 data points across 7 retailers

3 retailers$598 USD to $744 USD

B+
Cheapest Retailer
-
$598 USD
A
Retailer 2
-
$744 USD
€709 EUR
View
Most Expensive
Rare Carat
15M801658052 · Oct 7
$2,250 USD
View
Price last confirmed 25 days ago
2 more retailers have this diamond
Prices start from $598 USDSave up to $146 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
3.17ct Marquise
$598 USD