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Marquise|Lab Grown|IGI

1.03ct G VVS1 Marquise Lab Grown Diamond

EX • G/VVS1 • IGI LG811677900

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811677900

Diamond specifications and retailer prices

From €174 EUR
$194 USD
As of November 1, 2026
Save €426 EUR (71%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €600 EUR at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.03ct lab-grown marquise diamond

This 1.03ct lab-grown marquise sits in the classic one-carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG811677900 or 811677900. Listed at 3 retailers as of October 28, 2026, with prices from €174 to €600, a €426 spread on the same certified stone. Rare Carat lists it at €600. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
G
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811677900
Dimensions10.71 × 5.22 × 3.24 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.71 mm5.22 mm1.03 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811677900
Side View
Table 61.0%Crown 35.6°Girdle: THN-MEDPavilion 40.4°Culet: NoneDepth 62.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €600 EUR|Low: €174 EUR|High: €609 EUR|Avg: €381 EUR|-1.5%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 3€174 EUR
Retailer 6€331 EUR
Retailer 5€334 EUR
Retailer 2€357 EUR
Retailer 4€378 EUR
Rare Carat€600 EUR

38 data points across 6 retailers

3 retailers€174 EUR to €600 EUR

A
Cheapest Retailer
-
€174 EUR
$194 USD
Final sale: no returns
A
Retailer 2
-
€357 EUR
£314 GBP
View
Most Expensive
B
Rare Carat
811677900 · Oct 28
€600 EUR
$670 USD
View
2 more retailers have this diamond
Prices start from €174 EURSave up to €426 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
1.03ct Marquise
€174 EUR