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Marquise|Lab Grown|IGI

1.05ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG819697916

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG819697916

Diamond specifications and retailer prices

From €180 EUR
As of November 4, 2026
Save €1,112 EUR (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,292 EUR at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG819697916 or 819697916. Listed at 12 retailers as of November 3, 2026, with prices from €180 to €1,292, a €1,112 spread on the same certified stone. Brilliant Earth lists it at €1,292. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819697916
Dimensions10.45 × 5.52 × 3.34 mm
L/W Ratio1.89
Girdle conditionFaceted
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
10.45 mm5.52 mm1.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819697916
Side View
Table 57.0%Crown 31.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
A+
Exceptional
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 4
Current: €1,292 EUR|Low: €180 EUR|High: €2,343 EUR|Avg: €674 EUR|-44.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 4, 2026
Retailer 10€180 EUR
Retailer 9€208 EUR
Retailer 8€388 EUR
Retailer 6€435 EUR
Retailer 11€438 EUR
Retailer 4€544 EUR
Retailer 7€717 EUR
Retailer 2€720 EUR
Retailer 5€1,042 EUR
Retailer 3€1,149 EUR
Brilliant Earth€1,292 EUR

31 data points across 11 retailers

12 retailers€180 EUR to €1,292 EUR

A+
Cheapest Retailer
-
€180 EUR
A
Retailer 2
-
€208 EUR
View
A
Retailer 3
-
€388 EUR
View
A
Retailer 4
-
€435 EUR
View
Retailer 5
-
€438 EUR
View
Price last confirmed 12 days ago
A
Retailer 6
-
€544 EUR
View
B+
Retailer 7
-
€596 EUR
View
B+
Retailer 8
-
€717 EUR
View
B+
Retailer 9
-
€720 EUR
View
B
Retailer 10
-
€1,042 EUR
View
Retailer 11
-
€1,149 EUR
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
20983902A · Nov 3
€1,292 EUR
$1,450 USD
View
11 more retailers have this diamond
Prices start from €180 EURSave up to €1,112 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+
1.05ct Marquise
€180 EUR