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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 €437 EUR
As of October 29, 2026
Save €612 EUR (58%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,049 EUR at MOH London · As of November 1, 2026
View at MOH London

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 7 retailers as of October 29, 2026, with prices from €437 to €1,049, a €612 spread on the same certified stone. MOH London lists it at €1,049. 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 angle35.4°
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: €1,049 EUR|Low: €417 EUR|High: €1,061 EUR|Avg: €615 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 3€437 EUR
Retailer 7€443 EUR
Retailer 2€491 EUR
Retailer 4€528 EUR
Retailer 6€561 EUR
Retailer 5€888 EUR
MOH London€1,049 EUR

43 data points across 7 retailers

7 retailers€437 EUR to €1,049 EUR

A
Cheapest Retailer
-
€437 EUR
B+
Retailer 2
-
€443 EUR
$495 USD
View
A
Retailer 3
-
€491 EUR
£432 GBP
View
A
Retailer 4
-
€528 EUR
$590 USD
View
A
Retailer 5
-
€561 EUR
$627 USD
View
B+
Retailer 6
-
€888 EUR
$992 USD
View
Most Expensive
B
MOH London
LG707556634 · Nov 1
€1,049 EUR
£923 GBP
View
6 more retailers have this diamond
Prices start from €437 EURSave up to €612 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
€437 EUR