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Marquise|Lab Grown|IGI

1.29ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG780662311

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780662311

Diamond specifications and retailer prices

From €696 EUR
HK$6,100 HKD
As of November 1, 2026
Save €2,139 EUR (75%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €2,835 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 LG780662311 or 780662311. Listed at 14 retailers as of November 1, 2026, with prices from €696 to €2,835, a €2,139 spread on the same certified stone. Brilliant Earth lists it at €2,835. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662311
Dimensions11.05 × 5.73 × 3.57 mm
L/W Ratio1.93
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
11.05 mm5.73 mm1.29 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662311
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
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: €2,835 EUR|Low: €696 EUR|High: €3,183 EUR|Avg: €1,470 EUR|-10.9%
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 5€696 EUR
Retailer 12€787 EUR
Retailer 4€849 EUR
Retailer 3€858 EUR
Retailer 8€925 EUR
Retailer 7€930 EUR
Retailer 2€1,037 EUR
Retailer 10€1,059 EUR
Retailer 14€1,417 EUR
Retailer 13€1,953 EUR
Retailer 11€2,287 EUR
Retailer 6€2,377 EUR
Retailer 9€2,525 EUR
Brilliant Earth€2,835 EUR

40 data points across 14 retailers

14 retailers€696 EUR to €2,835 EUR

A
Cheapest Retailer
-
€696 EUR
HK$6,100 HKD
A
Retailer 2
-
€787 EUR
$883 USD
View
B+
Retailer 3
-
€849 EUR
$952 USD
View
A
Retailer 4
-
€858 EUR
$962 USD
View
A
Retailer 5
-
€925 EUR
View
A
Retailer 6
-
€930 EUR
£821 GBP
View
B+
Retailer 7
-
€1,037 EUR
ZAR 18,799 ZAR
View
B+
Retailer 8
-
€1,059 EUR
A$1,828 AUD
View
Retailer 9
-
€1,417 EUR
$1,589 USD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
€1,953 EUR
$2,190 USD
View
Retailer 11
-
€2,287 EUR
$2,565 USD
View
Price last confirmed 12 days ago
B
Retailer 12
-
€2,377 EUR
$2,666 USD
View
B
Retailer 13
-
€2,525 EUR
£2,230 GBP
View
Most Expensive
B
Brilliant Earth
18919099A · Nov 2
€2,835 EUR
$3,180 USD
View
13 more retailers have this diamond
Prices start from €696 EURSave up to €2,139 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
€696 EUR