Marquise|Lab Grown|IGI

1.05ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG811619672

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811619672

Diamond specifications and retailer prices

From €230 EUR
$257 USD
As of October 30, 2026
Save €1,088 EUR (83%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €2,282 EUR at Brilliant Earth · As of October 16, 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 LG811619672 or 811619672. Listed at 25 retailers as of October 30, 2026, with a 473% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811619672
Dimensions10.33 × 5.38 × 3.33 mm
L/W Ratio1.92
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
10.33 mm5.38 mm1.05 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811619672
Side View
Table 62.0%Crown 32.8°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.9%

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: Oct 30
Current: €2,282 EUR|Low: €221 EUR|High: €2,282 EUR|Avg: €690 EUR
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
Retailer 16
Retailer 17
November 1, 2026
Retailer 5€230 EUR
Retailer 3€267 EUR
Retailer 4€286 EUR
Retailer 7€286 EUR
Retailer 11€294 EUR
Retailer 9€385 EUR
Retailer 13€430 EUR
Retailer 2€493 EUR
Retailer 16€519 EUR
Retailer 12€545 EUR
Retailer 14€546 EUR
Retailer 17€694 EUR
Retailer 8€724 EUR
Retailer 6€917 EUR
Retailer 10€1,144 EUR
Retailer 15€1,318 EUR
Brilliant Earth€2,282 EUR

37 data points across 17 retailers

25 retailers€230 EUR to €1,318 EUR

A
Cheapest Retailer
-
€230 EUR
$257 USD
A
Retailer 2
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€257 EUR
$287 USD
View
Final sale: no returns
A
Retailer 3
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€267 EUR
$298 USD
View
Retailer 4
-
€286 EUR
$319 USD
View
Price last confirmed 7 days ago
A
Retailer 5
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€286 EUR
$319 USD
View
A
Retailer 6
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€294 EUR
£258 GBP
View
A
Retailer 7
-
€385 EUR
$430 USD
View
A
Retailer 8
-
€430 EUR
$480 USD
View
A
Retailer 9
-
€493 EUR
ZAR 8,892 ZAR
View
A
Retailer 10
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€504 EUR
$563 USD
View
A
Retailer 11
-
€519 EUR
View
A
Retailer 12
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€542 EUR
$606 USD
View
A
Retailer 13
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€545 EUR
£479 GBP
View
A
Retailer 14
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€546 EUR
A$938 AUD
View
B+
Retailer 15
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€694 EUR
A$1,193 AUD
View
B+
Retailer 16
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€724 EUR
$809 USD
View
B+
Retailer 17
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€768 EUR
SGD 1,159 SGD
View
Retailer 18
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€800 EUR
$894 USD
View
Price last confirmed 27 days ago
B+
Retailer 19
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€917 EUR
$1,025 USD
View
B+
Retailer 20
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€963 EUR
$1,076 USD
View
B
Retailer 21
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€1,119 EUR
£984 GBP
View
B+
Retailer 22
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€1,144 EUR
£1,006 GBP
View
B
Retailer 23
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€1,231 EUR
$1,376 USD
View
B+
Retailer 24
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€1,318 EUR
A$2,266 AUD
View
Most Expensive
Brilliant Earth
20879627A · Oct 16
€2,282 EUR
$2,550 USD
View
Price last confirmed 16 days ago
24 more retailers have this diamond
Prices start from €230 EURSave up to €1,088 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
€230 EUR