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Marquise|Lab Grown|IGI

1.70ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG844660548

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844660548

Diamond specifications and retailer prices

From €221 EUR
$247 USD
As of November 1, 2026
Save €1,086 EUR (83%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €1,307 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.7ct lab-grown marquise diamond

This 1.7ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844660548 or 844660548. Listed at 3 retailers as of October 31, 2026, with prices from €221 to €1,307, a €1,086 spread on the same certified stone. Brilliant Earth lists it at €1,307. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844660548
Dimensions11.73 × 6.25 × 4.04 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.73 mm6.25 mm1.70 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844660548
Side View
Table 62.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 64.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €1,307 EUR|Low: €221 EUR|High: €1,862 EUR|Avg: €823 EUR|-29.8%
Brilliant Earth
Retailer 2
Retailer 3
November 2, 2026
Retailer 3€221 EUR
Retailer 2€467 EUR
Brilliant Earth€1,307 EUR

19 data points across 3 retailers

3 retailers€221 EUR to €1,307 EUR

A
Cheapest Retailer
-
€221 EUR
$247 USD
Final sale: no returns
A
Retailer 2
-
€467 EUR
£410 GBP
View
Most Expensive
B
Brilliant Earth
22003089A · Oct 31
€1,307 EUR
$1,460 USD
View
2 more retailers have this diamond
Prices start from €221 EURSave up to €1,086 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
1.70ct Marquise
€221 EUR