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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 €264 EUR
$296 USD
As of November 1, 2026
Save €859 EUR (77%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,123 EUR at Brilliant Earth · As of October 31, 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 October 31, 2026, with prices from €264 to €1,123, a €859 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
Color
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

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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: €1,123 EUR|Low: €201 EUR|High: €1,578 EUR|Avg: €665 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 2, 2026
Retailer 6€201 EUR
Retailer 13€264 EUR
Retailer 12€435 EUR
Retailer 15€445 EUR
Retailer 8€455 EUR
Retailer 2€495 EUR
Retailer 10€515 EUR
Retailer 3€544 EUR
Retailer 11€643 EUR
Retailer 14€666 EUR
Retailer 4€848 EUR
Retailer 5€894 EUR
Retailer 7€938 EUR
Retailer 9€1,056 EUR
Brilliant Earth€1,123 EUR

44 data points across 15 retailers

21 retailers€264 EUR to €1,123 EUR

Retailer 1
-
€201 EUR
$226 USD
Price last confirmed 31 days ago
Retailer 2
-
€209 EUR
$234 USD
View
Price last confirmed 25 days ago
Retailer 3
-
€243 EUR
$273 USD
View
Price last confirmed 34 days ago
Retailer 4
-
€257 EUR
$288 USD
View
Price last confirmed 34 days ago
Retailer 5
-
€259 EUR
$291 USD
View
Price last confirmed 30 days ago
Retailer 6
-
€264 EUR
$296 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
€264 EUR
$296 USD
View
A
Retailer 8
-
€435 EUR
View
A
Retailer 9
-
€445 EUR
$499 USD
View
A
Retailer 10
-
€455 EUR
ZAR 8,250 ZAR
View
B+
Retailer 11
-
€495 EUR
£437 GBP
View
B+
Retailer 12
-
€515 EUR
A$888 AUD
View
B+
Retailer 13
-
€544 EUR
$610 USD
View
B+
Retailer 14
-
€643 EUR
A$1,110 AUD
View
B+
Retailer 15
-
€666 EUR
$747 USD
View
Retailer 16
-
€836 EUR
$938 USD
View
Price last confirmed 33 days ago
B
Retailer 17
-
€848 EUR
$951 USD
View
B
Retailer 18
-
€848 EUR
$951 USD
View
B
Retailer 19
-
€894 EUR
$1,003 USD
View
B
Retailer 20
-
€1,056 EUR
£933 GBP
View
Most Expensive
B
Brilliant Earth
20947976A · Oct 31
€1,123 EUR
$1,260 USD
View
20 more retailers have this diamond
Prices start from €264 EURSave up to €859 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
€264 EUR