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Marquise|Lab Grown|IGI

1.23ct F VVS1 Marquise Lab Grown Diamond

EX • F/VVS1 • IGI LG833648357

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG833648357

Diamond specifications and retailer prices

From €279 EUR
$312 USD
As of November 1, 2026
Save €996 EUR (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €1,275 EUR at Brilliant Earth · As of October 31, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG833648357 or 833648357. Listed at 8 retailers as of October 31, 2026, with prices from €279 to €1,275, a €996 spread on the same certified stone. Brilliant Earth lists it at €1,275. 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
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833648357
Dimensions10.52 × 5.59 × 3.61 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
10.52 mm5.59 mm1.23 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833648357
Side View
Table 59.0%Crown 37.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 64.6%

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 1
Current: €1,275 EUR|Low: €279 EUR|High: €1,275 EUR|Avg: €548 EUR|+10.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 5€279 EUR
Retailer 7€312 EUR
Retailer 3€412 EUR
Retailer 4€418 EUR
Retailer 9€446 EUR
Retailer 8€531 EUR
Retailer 10€805 EUR
Retailer 6€827 EUR
Retailer 2€867 EUR
Brilliant Earth€1,275 EUR

9 data points across 10 retailers

8 retailers€279 EUR to €1,275 EUR

A
Cheapest Retailer
-
€279 EUR
$312 USD
B+
Retailer 2
-
€312 EUR
$350 USD
View
A
Retailer 3
-
€412 EUR
View
A
Retailer 4
-
€418 EUR
$469 USD
View
Retailer 5
-
€531 EUR
$595 USD
View
Price last confirmed 10 days ago
B
Retailer 6
-
€827 EUR
$927 USD
View
B
Retailer 7
-
€867 EUR
A$1,496 AUD
View
Most Expensive
B
Brilliant Earth
22171381A · Oct 31
€1,275 EUR
$1,430 USD
View
7 more retailers have this diamond
Prices start from €279 EURSave up to €996 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
€279 EUR