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Marquise|Lab Grown|IGI

1.05ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG625439413

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG625439413

Diamond specifications and retailer prices

From €285 EUR
$318 USD
As of November 1, 2026
Save €1,980 EUR (87%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: €2,265 EUR at Brilliant Earth · As of October 31, 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 LG625439413 or 625439413. Listed at 28 retailers as of October 31, 2026, with prices from €285 to €2,265, a €1,980 spread on the same certified stone. Brilliant Earth lists it at €2,265. 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 angle34.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625439413
Dimensions10.69 × 5.40 × 3.27 mm
L/W Ratio1.98
Girdle conditionFaceted
Culet sizePointed
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
10.69 mm5.40 mm1.05 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625439413
Side View
Table 60.0%Crown 34.2°Girdle: THN-MEDPavilion 40.1°Culet: NoneDepth 60.6%

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: €2,265 EUR|Low: €244 EUR|High: €2,265 EUR|Avg: €781 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
November 1, 2026
Retailer 4€254 EUR
Retailer 5€315 EUR
Retailer 6€358 EUR
Retailer 8€421 EUR
Retailer 13€421 EUR
Retailer 11€597 EUR
Retailer 7€614 EUR
Retailer 10€848 EUR
Retailer 3€968 EUR
Retailer 12€1,132 EUR
Retailer 9€1,350 EUR
Retailer 2€1,394 EUR
Brilliant Earth€2,265 EUR

33 data points across 13 retailers

28 retailers€285 EUR to €2,265 EUR

Retailer 1
-
€254 EUR
$284 USD
Price last confirmed 16 days ago
A
Retailer 2
-
€285 EUR
$318 USD
View
Final sale: no returns
Retailer 3
-
€294 EUR
$329 USD
View
Price last confirmed 17 days ago
Retailer 4
-
€315 EUR
$352 USD
View
Price last confirmed 29 days ago
Retailer 5
-
€315 EUR
$352 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
€358 EUR
£315 GBP
View
A
Retailer 7
-
€421 EUR
$470 USD
View
A
Retailer 8
-
€421 EUR
$470 USD
View
A
Retailer 9
-
€427 EUR
$477 USD
View
A
Retailer 10
-
€479 EUR
$535 USD
View
B+
Retailer 11
-
€597 EUR
ZAR 10,784 ZAR
View
B+
Retailer 12
-
€599 EUR
$669 USD
View
B+
Retailer 13
-
€614 EUR
£541 GBP
View
Retailer 14
-
€744 EUR
$832 USD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
€848 EUR
A$1,458 AUD
View
B+
Retailer 16
-
€968 EUR
$1,081 USD
View
Retailer 17
-
€1,118 EUR
$1,249 USD
View
Price last confirmed 16 days ago
B+
Retailer 18
-
€1,132 EUR
$1,265 USD
View
B
Retailer 19
-
€1,155 EUR
$1,290 USD
View
B+
Retailer 20
-
€1,155 EUR
$1,290 USD
View
B
Retailer 21
-
€1,155 EUR
$1,290 USD
View
B
Retailer 22
-
€1,262 EUR
$1,410 USD
View
B
Retailer 23
-
€1,264 EUR
$1,412 USD
View
B
Retailer 24
-
€1,305 EUR
$1,458 USD
View
B
Retailer 25
-
€1,350 EUR
£1,188 GBP
View
B
Retailer 26
-
€1,394 EUR
£1,226 GBP
View
B
Retailer 27
-
€2,256 EUR
$2,520 USD
View
Most Expensive
B
Brilliant Earth
18396597Y · Oct 31
€2,265 EUR
$2,530 USD
View
27 more retailers have this diamond
Prices start from €285 EURSave up to €1,980 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
€285 EUR