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Marquise|Lab Grown|IGI

1.27ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG780662340

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780662340

Diamond specifications and retailer prices

From €456 EUR
As of November 4, 2026
Save €1,673 EUR (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €2,250 EUR at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.27ct lab-grown marquise diamond

This 1.27ct 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 LG780662340 or 780662340. Listed at 14 retailers as of November 4, 2026, with a 367% 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

1.27
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662340
Dimensions11.51 × 5.54 × 3.47 mm
L/W Ratio2.08
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
11.51 mm5.54 mm1.27 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662340
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.6%

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: €777 EUR|Low: €456 EUR|High: €3,038 EUR|Avg: €1,383 EUR|-8.0%
Retailer 1
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€554 EUR
Retailer 6€693 EUR
Retailer 1€777 EUR
Retailer 5€778 EUR
Retailer 12€895 EUR
Retailer 3€909 EUR
Retailer 2€1,021 EUR
Retailer 4€1,047 EUR
Retailer 13€1,295 EUR
Retailer 11€1,503 EUR
Retailer 7€1,526 EUR
Retailer 9€2,129 EUR

41 data points across 13 retailers

14 retailers€456 EUR to €2,129 EUR

A
Cheapest Retailer
-
€456 EUR
A
Retailer 2
-
€554 EUR
View
A
Retailer 3
-
€693 EUR
View
A
Retailer 4
-
€777 EUR
View
A
Retailer 5
-
€778 EUR
View
A
Retailer 6
-
€895 EUR
View
Retailer 7
-
€909 EUR
View
Price last confirmed 7 days ago
B+
Retailer 8
-
€1,021 EUR
View
B+
Retailer 9
-
€1,047 EUR
View
B+
Retailer 10
-
€1,295 EUR
View
B+
Retailer 11
-
€1,503 EUR
View
B+
Retailer 12
-
€1,526 EUR
View
B
Retailer 13
-
€2,129 EUR
View
Most Expensive
Rare Carat
52437 · Oct 28
€2,250 EUR
$2,525 USD
View
Price last confirmed 8 days ago
13 more retailers have this diamond
Prices start from €456 EURSave up to €1,673 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
1.27ct Marquise
€456 EUR