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Marquise|Lab Grown|IGI

1.70ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG707556634

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG707556634

Diamond specifications and retailer prices

From €435 EUR
As of October 29, 2026
Save €621 EUR (59%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €1,057 EUR at Rare Carat · As of November 1, 2026
View at Rare Carat

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 LG707556634 or 707556634. Listed at 8 retailers as of October 29, 2026, with prices from €435 to €1,057, a €621 spread on the same certified stone. Rare Carat lists it at €1,057. 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
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG707556634
Dimensions12.06 × 6.25 × 3.88 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.06 mm6.25 mm1.70 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG707556634
Side View
Table 61.0%Crown 35.4°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
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 29
Current: €493 EUR|Low: €415 EUR|High: €1,056 EUR|Avg: €614 EUR|+5.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 3€435 EUR
Retailer 7€441 EUR
Retailer 1€493 EUR
Retailer 4€526 EUR
Retailer 6€559 EUR
Retailer 5€885 EUR
Retailer 2€1,045 EUR

43 data points across 7 retailers

8 retailers€435 EUR to €1,057 EUR

A
Cheapest Retailer
-
€435 EUR
B+
Retailer 2
-
€441 EUR
$495 USD
View
A
Retailer 3
-
€493 EUR
£435 GBP
View
A
Retailer 4
-
€526 EUR
$590 USD
View
A
Retailer 5
-
€559 EUR
$627 USD
View
B+
Retailer 6
-
€885 EUR
$992 USD
View
B
Retailer 7
-
€1,045 EUR
£923 GBP
View
Most Expensive
B
Rare Carat
MDP-825_l_707556634 · Nov 1
€1,057 EUR
$1,185 USD
View
7 more retailers have this diamond
Prices start from €435 EURSave up to €621 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
€435 EUR