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Marquise|Lab Grown|IGI

1.20ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG727560723

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG727560723

Diamond specifications and retailer prices

From €438 EUR
$491 USD
As of November 1, 2026
Save €1,693 EUR (79%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: €2,131 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.2ct lab-grown marquise diamond

This 1.2ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG727560723 or 727560723. Listed at 30 retailers as of November 1, 2026, with prices from €438 to €2,131, a €1,693 spread on the same certified stone. Brilliant Earth lists it at €2,131. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG727560723
Dimensions10.87 × 5.57 × 3.47 mm
L/W Ratio1.95
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
10.87 mm5.57 mm1.20 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG727560723
Side View
Table 59.0%Crown 35.3°Girdle: STK-THKPavilion 39.7°Culet: NoneDepth 62.3%

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 1
Current: €2,131 EUR|Low: €241 EUR|High: €2,354 EUR|Avg: €1,078 EUR|-9.5%
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
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
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Retailer 22
Retailer 23
November 2, 2026
Retailer 14€241 EUR
Retailer 20€438 EUR
Retailer 12€486 EUR
Retailer 21€548 EUR
Retailer 3€559 EUR
Retailer 8€687 EUR
Retailer 4€687 EUR
Retailer 7€734 EUR
Retailer 19€779 EUR
Retailer 13€796 EUR
Retailer 2€838 EUR
Retailer 16€914 EUR
Retailer 6€1,130 EUR
Retailer 18€1,183 EUR
Retailer 23€1,305 EUR
Retailer 22€1,360 EUR
Retailer 5€1,591 EUR
Retailer 15€1,613 EUR
Retailer 10€1,623 EUR
Retailer 9€1,745 EUR
Retailer 17€1,785 EUR
Retailer 11€1,895 EUR
Brilliant Earth€2,131 EUR

32 data points across 23 retailers

30 retailers€438 EUR to €2,131 EUR

Retailer 1
-
€241 EUR
$270 USD
Price last confirmed 25 days ago
Retailer 2
-
€407 EUR
$456 USD
View
Price last confirmed 33 days ago
A
Retailer 3
-
€438 EUR
$491 USD
View
Final sale: no returns
Retailer 4
-
€456 EUR
$511 USD
View
Price last confirmed 34 days ago
Retailer 5
-
€486 EUR
$545 USD
View
Price last confirmed 25 days ago
Retailer 6
-
€486 EUR
$545 USD
View
Price last confirmed 23 days ago
Retailer 7
-
€498 EUR
$559 USD
View
Price last confirmed 34 days ago
A
Retailer 8
-
€548 EUR
$615 USD
View
A
Retailer 9
-
€559 EUR
HK$4,900 HKD
View
B+
Retailer 10
-
€687 EUR
$770 USD
View
B+
Retailer 11
-
€687 EUR
$771 USD
View
B+
Retailer 12
-
€734 EUR
$823 USD
View
B+
Retailer 13
-
€779 EUR
View
B+
Retailer 14
-
€796 EUR
£703 GBP
View
B+
Retailer 15
-
€838 EUR
ZAR 15,176 ZAR
View
B+
Retailer 16
-
€914 EUR
A$1,578 AUD
View
Retailer 17
-
€1,130 EUR
$1,267 USD
View
Price last confirmed 9 days ago
B+
Retailer 18
-
€1,183 EUR
A$2,042 AUD
View
B
Retailer 19
-
€1,305 EUR
$1,464 USD
View
B+
Retailer 20
-
€1,360 EUR
$1,525 USD
View
B
Retailer 21
-
€1,561 EUR
$1,751 USD
View
Retailer 22
-
€1,561 EUR
$1,751 USD
View
Price last confirmed 23 days ago
B
Retailer 23
-
€1,591 EUR
$1,784 USD
View
Retailer 24
-
€1,613 EUR
A$2,783 AUD
View
Price last confirmed 30 days ago
Retailer 25
-
€1,622 EUR
$1,819 USD
View
Price last confirmed 33 days ago
B
Retailer 26
-
€1,623 EUR
SGD 2,460 SGD
View
B
Retailer 27
-
€1,745 EUR
$1,957 USD
View
B
Retailer 28
-
€1,785 EUR
£1,576 GBP
View
B
Retailer 29
-
€1,895 EUR
$2,125 USD
View
Most Expensive
B
Brilliant Earth
15743657A · Nov 2
€2,131 EUR
$2,390 USD
View
29 more retailers have this diamond
Prices start from €438 EURSave up to €1,693 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
1.20ct Marquise
€438 EUR