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Marquise|Lab Grown|IGI

1.23ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG845651268

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845651268

Diamond specifications and retailer prices

From €253 EUR
As of November 6, 2026
Save €508 EUR (67%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €761 EUR at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.23ct lab-grown marquise diamond

This 1.23ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845651268 or 845651268. Listed at 9 retailers as of November 6, 2026, with prices from €253 to €761, a €508 spread on the same certified stone. Brilliant Earth lists it at €761. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845651268
Dimensions10.64 × 5.61 × 3.59 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.64 mm5.61 mm1.23 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845651268
Side View
Table 61.0%Crown 36.2°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 64.0%

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: Nov 6
Current: €761 EUR|Low: €253 EUR|High: €761 EUR|Avg: €513 EUR|+1.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 3€253 EUR
Retailer 2€361 EUR
Retailer 8€373 EUR
Retailer 5€384 EUR
Retailer 4€402 EUR
Retailer 9€529 EUR
Retailer 7€688 EUR
Retailer 6€733 EUR
Brilliant Earth€761 EUR

7 data points across 9 retailers

9 retailers€253 EUR to €761 EUR

A
Cheapest Retailer
-
€253 EUR
A
Retailer 2
-
€361 EUR
View
A
Retailer 3
-
€373 EUR
View
A
Retailer 4
-
€384 EUR
View
A
Retailer 5
-
€402 EUR
View
B+
Retailer 6
-
€529 EUR
View
B+
Retailer 7
-
€688 EUR
View
B+
Retailer 8
-
€733 EUR
View
Most Expensive
B
Brilliant Earth
22394845A · Nov 6
€761 EUR
$850 USD
View
8 more retailers have this diamond
Prices start from €253 EURSave up to €508 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
1.23ct Marquise
€253 EUR