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Marquise|Lab Grown|IGI

3.17ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG843603231

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843603231

Diamond specifications and retailer prices

From €363 EUR
$407 USD
As of November 1, 2026
Save €1,643 EUR (82%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €2,006 EUR at Rare Carat · As of October 28, 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 LG843603231 or 843603231. Listed at 3 retailers as of October 28, 2026, with prices from €363 to €2,006, a €1,643 spread on the same certified stone. Rare Carat lists it at €2,006. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843603231
Dimensions15.32 × 7.55 × 4.78 mm
L/W Ratio2.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.32 mm7.55 mm3.17 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843603231
Side View
Table 63.0%Crown 37.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €2,006 EUR|Low: €363 EUR|High: €2,006 EUR|Avg: €831 EUR
Rare Carat
Retailer 2
Retailer 3
November 2, 2026
Retailer 3€363 EUR
Retailer 2€758 EUR
Rare Carat€2,006 EUR

24 data points across 3 retailers

3 retailers€363 EUR to €2,006 EUR

A
Cheapest Retailer
-
€363 EUR
$407 USD
Final sale: no returns
A
Retailer 2
-
€758 EUR
£669 GBP
View
Most Expensive
B
Rare Carat
843603231 · Oct 28
€2,006 EUR
$2,250 USD
View
2 more retailers have this diamond
Prices start from €363 EURSave up to €1,643 EUR

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
€363 EUR