CaratHunter
Plans
Marquise|Lab Grown|IGI

1.03ct F IF Marquise Lab Grown Diamond

EX • F/IF • IGI LG818677644

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818677644

Diamond specifications and retailer prices

From €265 EUR
As of November 5, 2026
Save €858 EUR (76%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,123 EUR at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.03ct lab-grown marquise diamond

This 1.03ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818677644 or 818677644. Listed at 21 retailers as of November 4, 2026, with prices from €265 to €1,123, a €858 spread on the same certified stone. Brilliant Earth lists it at €1,123. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818677644
Dimensions9.67 × 5.46 × 3.27 mm
L/W Ratio1.77
Girdle conditionFaceted
Culet sizeNone
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.67 mm5.46 mm1.03 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818677644
Side View
Table 62.0%Crown 35.3°Girdle: STK-THKPavilion 38.9°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: €1,123 EUR|Low: €201 EUR|High: €1,577 EUR|Avg: €635 EUR|-28.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 5, 2026
Retailer 7€201 EUR
Retailer 5€264 EUR
Retailer 12€265 EUR
Retailer 4€435 EUR
Retailer 10€447 EUR
Retailer 14€454 EUR
Retailer 2€496 EUR
Retailer 3€514 EUR
Retailer 6€543 EUR
Retailer 13€649 EUR
Retailer 9€668 EUR
Retailer 8€851 EUR
Retailer 11€896 EUR
Retailer 15€1,055 EUR
Brilliant Earth€1,123 EUR

45 data points across 15 retailers

21 retailers€265 EUR to €1,123 EUR

Retailer 1
-
€201 EUR
Price last confirmed 35 days ago
Retailer 2
-
€208 EUR
View
Price last confirmed 29 days ago
Retailer 3
-
€243 EUR
View
Price last confirmed 38 days ago
Retailer 4
-
€257 EUR
View
Price last confirmed 39 days ago
Retailer 5
-
€259 EUR
View
Price last confirmed 34 days ago
Retailer 6
-
€264 EUR
View
Price last confirmed 12 days ago
A
Retailer 7
-
€265 EUR
View
Retailer 8
-
€435 EUR
View
Price last confirmed 10 days ago
A
Retailer 9
-
€447 EUR
View
A
Retailer 10
-
€454 EUR
View
B+
Retailer 11
-
€496 EUR
View
B+
Retailer 12
-
€514 EUR
View
B+
Retailer 13
-
€543 EUR
View
B+
Retailer 14
-
€649 EUR
View
B+
Retailer 15
-
€668 EUR
View
Retailer 16
-
€836 EUR
View
Price last confirmed 37 days ago
Retailer 17
-
€847 EUR
View
Price last confirmed 9 days ago
B
Retailer 18
-
€851 EUR
View
B
Retailer 19
-
€896 EUR
View
B
Retailer 20
-
€1,055 EUR
View
Most Expensive
B
Brilliant Earth
20947976A · Nov 4
€1,123 EUR
$1,260 USD
View
20 more retailers have this diamond
Prices start from €265 EURSave up to €858 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
€265 EUR