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Marquise|Lab Grown|IGI

1.29ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG787620991

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787620991

Diamond specifications and retailer prices

From €456 EUR
As of November 4, 2026
Save €1,709 EUR (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,285 EUR at Rare Carat · As of October 21, 2026
View at Rare Carat

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 LG787620991 or 787620991. Listed at 13 retailers as of November 4, 2026, with a 375% 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

1.29
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787620991
Dimensions11.03 × 5.69 × 3.63 mm
L/W Ratio1.94
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
11.03 mm5.69 mm1.29 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787620991
Side View
Table 57.0%Crown 36.2°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.8%

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 4
Current: €2,285 EUR|Low: €456 EUR|High: €3,083 EUR|Avg: €1,452 EUR
Rare Carat
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 5, 2026
Retailer 8€456 EUR
Retailer 10€561 EUR
Retailer 6€708 EUR
Retailer 5€787 EUR
Retailer 2€800 EUR
Retailer 12€910 EUR
Retailer 4€924 EUR
Retailer 3€1,036 EUR
Retailer 13€1,313 EUR
Retailer 11€1,527 EUR
Retailer 7€1,548 EUR
Retailer 9€2,165 EUR
Rare Carat€2,285 EUR

42 data points across 13 retailers

13 retailers€456 EUR to €2,165 EUR

A
Cheapest Retailer
-
€456 EUR
A
Retailer 2
-
€561 EUR
View
A
Retailer 3
-
€708 EUR
View
A
Retailer 4
-
€787 EUR
View
A
Retailer 5
-
€800 EUR
View
B+
Retailer 6
-
€910 EUR
View
Retailer 7
-
€924 EUR
View
Price last confirmed 7 days ago
B+
Retailer 8
-
€1,036 EUR
View
B+
Retailer 9
-
€1,313 EUR
View
B+
Retailer 10
-
€1,527 EUR
View
B+
Retailer 11
-
€1,548 EUR
View
B
Retailer 12
-
€2,165 EUR
View
Most Expensive
Rare Carat
54601 · Oct 21
€2,285 EUR
$2,565 USD
View
Price last confirmed 15 days ago
12 more retailers have this diamond
Prices start from €456 EURSave up to €1,709 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
€456 EUR