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Marquise|Lab Grown|IGI

1.20ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG700512487

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG700512487

Diamond specifications and retailer prices

From €437 EUR
$490 USD
As of November 1, 2026
Save €2,710 EUR (86%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: €3,147 EUR at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 LG700512487 or 700512487. Listed at 29 retailers as of November 1, 2026, with prices from €437 to €3,147, a €2,710 spread on the same certified stone. Do Amore Diamonds lists it at €3,147. 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°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700512487
Dimensions11.10 × 5.44 × 3.46 mm
L/W Ratio2.04
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
11.10 mm5.44 mm1.20 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700512487
Side View
Table 54.0%Crown 35°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 63.6%

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 1
Current: €3,147 EUR|Low: €218 EUR|High: €3,147 EUR|Avg: €1,095 EUR|+50.2%
Do Amore Diamonds
Retailer 2
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Retailer 22
November 2, 2026
Retailer 15€218 EUR
Retailer 22€437 EUR
Retailer 14€440 EUR
Retailer 21€548 EUR
Retailer 9€556 EUR
Retailer 5€628 EUR
Retailer 6€646 EUR
Retailer 10€687 EUR
Retailer 20€779 EUR
Retailer 13€796 EUR
Retailer 2€838 EUR
Retailer 8€1,130 EUR
Retailer 19€1,183 EUR
Retailer 4€1,234 EUR
Retailer 3€1,346 EUR
Retailer 18€1,569 EUR
Retailer 17€1,594 EUR
Retailer 11€1,620 EUR
Retailer 7€1,695 EUR
Retailer 16€1,785 EUR
Retailer 12€1,804 EUR
Do Amore Diamonds€3,147 EUR

33 data points across 22 retailers

29 retailers€437 EUR to €3,147 EUR

Retailer 1
-
€218 EUR
$244 USD
Price last confirmed 25 days ago
Retailer 2
-
€368 EUR
$413 USD
View
Price last confirmed 33 days ago
Retailer 3
-
€413 EUR
$463 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
€437 EUR
$490 USD
View
Final sale: no returns
Retailer 5
-
€440 EUR
$493 USD
View
Price last confirmed 25 days ago
Retailer 6
-
€440 EUR
$493 USD
View
Price last confirmed 23 days ago
Retailer 7
-
€451 EUR
$506 USD
View
Price last confirmed 34 days ago
A
Retailer 8
-
€548 EUR
$615 USD
View
A
Retailer 9
-
€556 EUR
$624 USD
View
A
Retailer 10
-
€628 EUR
HK$5,500 HKD
View
A
Retailer 11
-
€646 EUR
$724 USD
View
B+
Retailer 12
-
€687 EUR
$770 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
Retailer 16
-
€1,130 EUR
$1,267 USD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
€1,183 EUR
A$2,042 AUD
View
B
Retailer 18
-
€1,234 EUR
$1,384 USD
View
B+
Retailer 19
-
€1,346 EUR
$1,510 USD
View
B
Retailer 20
-
€1,561 EUR
$1,751 USD
View
Retailer 21
-
€1,561 EUR
$1,751 USD
View
Price last confirmed 23 days ago
B+
Retailer 22
-
€1,569 EUR
$1,760 USD
View
B
Retailer 23
-
€1,594 EUR
A$2,750 AUD
View
B
Retailer 24
-
€1,620 EUR
$1,817 USD
View
Retailer 25
-
€1,622 EUR
$1,819 USD
View
Price last confirmed 33 days ago
B
Retailer 26
-
€1,695 EUR
$1,901 USD
View
B
Retailer 27
-
€1,785 EUR
£1,576 GBP
View
B
Retailer 28
-
€1,804 EUR
SGD 2,735 SGD
View
Most Expensive
B
Do Amore Diamonds
27-090EA091C · Nov 2
€3,147 EUR
$3,530 USD
View
28 more retailers have this diamond
Prices start from €437 EURSave up to €2,710 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
€437 EUR