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Marquise|Lab Grown|IGI

1.25ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG801689971

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG801689971

Diamond specifications and retailer prices

From €599 EUR
$672 USD
As of November 2, 2026
Save €1,380 EUR (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,979 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.25ct lab-grown marquise diamond

This 1.25ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG801689971 or 801689971. Listed at 14 retailers as of November 2, 2026, with prices from €599 to €1,979, a €1,380 spread on the same certified stone. Brilliant Earth lists it at €1,979. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801689971
Dimensions10.97 × 5.63 × 3.54 mm
L/W Ratio1.95
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
10.97 mm5.63 mm1.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801689971
Side View
Table 59.0%Crown 35.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.9%

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 2
Current: €1,979 EUR|Low: €599 EUR|High: €2,265 EUR|Avg: €1,170 EUR|-12.6%
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
November 2, 2026
Retailer 3€599 EUR
Retailer 11€650 EUR
Retailer 12€663 EUR
Retailer 4€713 EUR
Retailer 7€775 EUR
Retailer 2€829 EUR
Retailer 9€955 EUR
Retailer 14€1,177 EUR
Retailer 10€1,351 EUR
Retailer 6€1,665 EUR
Retailer 5€1,696 EUR
Retailer 13€1,754 EUR
Retailer 8€1,856 EUR
Brilliant Earth€1,979 EUR

44 data points across 14 retailers

14 retailers€599 EUR to €1,979 EUR

A
Cheapest Retailer
-
€599 EUR
$672 USD
A
Retailer 2
-
€650 EUR
HK$5,700 HKD
View
A
Retailer 3
-
€663 EUR
$744 USD
View
A
Retailer 4
-
€713 EUR
$800 USD
View
A
Retailer 5
-
€775 EUR
View
A
Retailer 6
-
€829 EUR
£732 GBP
View
B+
Retailer 7
-
€955 EUR
A$1,648 AUD
View
Retailer 8
-
€1,177 EUR
$1,320 USD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
€1,351 EUR
$1,515 USD
View
B
Retailer 10
-
€1,665 EUR
$1,868 USD
View
Retailer 11
-
€1,696 EUR
A$2,926 AUD
View
Price last confirmed 28 days ago
B
Retailer 12
-
€1,754 EUR
$1,967 USD
View
Retailer 13
-
€1,856 EUR
£1,639 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
20869453Y · Nov 2
€1,979 EUR
$2,220 USD
View
13 more retailers have this diamond
Prices start from €599 EURSave up to €1,380 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
1.25ct Marquise
€599 EUR