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Marquise|Lab Grown|IGI

1.29ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG800681980

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800681980

Diamond specifications and retailer prices

From €646 EUR
$725 USD
As of November 2, 2026
Save €1,895 EUR (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €2,541 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.29ct lab-grown marquise diamond

This 1.29ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800681980 or 800681980. Listed at 12 retailers as of November 2, 2026, with prices from €646 to €2,541, a €1,895 spread on the same certified stone. Brilliant Earth lists it at €2,541. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800681980
Dimensions11.19 × 5.70 × 3.61 mm
L/W Ratio1.96
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
11.19 mm5.70 mm1.29 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800681980
Side View
Table 59.0%Crown 34.2°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €2,541 EUR|Low: €646 EUR|High: €3,049 EUR|Avg: €1,508 EUR|-16.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 3€646 EUR
Retailer 9€744 EUR
Retailer 8€753 EUR
Retailer 4€849 EUR
Retailer 6€921 EUR
Retailer 2€930 EUR
Retailer 12€1,417 EUR
Retailer 11€1,883 EUR
Retailer 10€2,057 EUR
Retailer 7€2,269 EUR
Retailer 5€2,511 EUR
Brilliant Earth€2,541 EUR

41 data points across 12 retailers

12 retailers€646 EUR to €2,541 EUR

A
Cheapest Retailer
-
€646 EUR
$725 USD
A
Retailer 2
-
€744 EUR
$835 USD
View
A
Retailer 3
-
€753 EUR
HK$6,600 HKD
View
A
Retailer 4
-
€849 EUR
$952 USD
View
A
Retailer 5
-
€921 EUR
View
A
Retailer 6
-
€930 EUR
£821 GBP
View
Retailer 7
-
€1,417 EUR
$1,589 USD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
€1,883 EUR
$2,112 USD
View
B
Retailer 9
-
€2,057 EUR
$2,307 USD
View
B
Retailer 10
-
€2,269 EUR
$2,545 USD
View
B
Retailer 11
-
€2,511 EUR
£2,218 GBP
View
Most Expensive
B
Brilliant Earth
20869351Y · Nov 2
€2,541 EUR
$2,850 USD
View
11 more retailers have this diamond
Prices start from €646 EURSave up to €1,895 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
1.29ct Marquise
€646 EUR