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Marquise|Lab Grown|IGI

1.57ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754507975

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754507975

Diamond specifications and retailer prices

From €600 EUR
$670 USD
As of October 30, 2026
Save €4,952 EUR (89%) vs most expensive(unlock to see where)
34 retailers carry this diamond
Most expensive: €5,552 EUR at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 1.57ct lab-grown marquise diamond

This 1.57ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754507975 or 754507975. Listed at 34 retailers as of October 30, 2026, with prices from €600 to €5,552, a €4,952 spread on the same certified stone. Diamond Quarter lists it at €5,552. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754507975
Dimensions12.46 × 5.86 × 3.72 mm
L/W Ratio2.13
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
12.46 mm5.86 mm1.57 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754507975
Side View
Table 60.0%Crown 35.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.5%

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: Oct 30
Current: €3,016 EUR|Low: €600 EUR|High: €5,397 EUR|Avg: €2,011 EUR|-2.6%
Retailer 1
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Retailer 22
Retailer 23
Retailer 24
November 1, 2026
Retailer 15€600 EUR
Retailer 4€757 EUR
Retailer 8€829 EUR
Retailer 17€832 EUR
Retailer 12€868 EUR
Retailer 2€915 EUR
Retailer 3€1,008 EUR
Retailer 24€1,159 EUR
Retailer 22€1,230 EUR
Retailer 18€1,233 EUR
Retailer 23€1,412 EUR
Retailer 7€1,778 EUR
Retailer 20€1,912 EUR
Retailer 14€1,960 EUR
Retailer 11€2,159 EUR
Retailer 10€2,373 EUR
Retailer 6€2,392 EUR
Retailer 16€2,421 EUR
Retailer 21€2,506 EUR
Retailer 9€2,748 EUR
Retailer 13€2,904 EUR
Retailer 1€3,016 EUR
Retailer 19€3,232 EUR
Retailer 5€5,326 EUR

32 data points across 24 retailers

34 retailers€600 EUR to €5,552 EUR

A
Cheapest Retailer
-
€600 EUR
$670 USD
Retailer 2
-
€608 EUR
$679 USD
View
Price last confirmed 24 days ago
Retailer 3
-
€608 EUR
$679 USD
View
Price last confirmed 33 days ago
Retailer 4
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€661 EUR
$739 USD
View
Price last confirmed 34 days ago
Retailer 5
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€695 EUR
$777 USD
View
Price last confirmed 34 days ago
Retailer 6
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€705 EUR
$788 USD
View
Price last confirmed 30 days ago
Retailer 7
-
€705 EUR
$788 USD
View
Price last confirmed 22 days ago
A
Retailer 8
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€757 EUR
$846 USD
View
Final sale: no returns
A
Retailer 9
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€829 EUR
$926 USD
View
A
Retailer 10
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€832 EUR
$930 USD
View
A
Retailer 11
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€868 EUR
£764 GBP
View
A
Retailer 12
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€915 EUR
$1,022 USD
View
A
Retailer 13
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€1,008 EUR
HK$8,800 HKD
View
A
Retailer 14
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€1,159 EUR
$1,295 USD
View
A
Retailer 15
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€1,230 EUR
View
A
Retailer 16
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€1,233 EUR
£1,085 GBP
View
A
Retailer 17
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€1,412 EUR
ZAR 25,480 ZAR
View
B+
Retailer 18
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€1,778 EUR
$1,986 USD
View
B+
Retailer 19
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€1,912 EUR
A$3,287 AUD
View
Retailer 20
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€1,960 EUR
$2,190 USD
View
Price last confirmed 9 days ago
B+
Retailer 21
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€2,159 EUR
$2,412 USD
View
Retailer 22
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€2,189 EUR
$2,446 USD
View
Price last confirmed 22 days ago
Retailer 23
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€2,189 EUR
$2,446 USD
View
Price last confirmed 32 days ago
B+
Retailer 24
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€2,373 EUR
$2,651 USD
View
B+
Retailer 25
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€2,392 EUR
$2,673 USD
View
B+
Retailer 26
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€2,421 EUR
$2,705 USD
View
B+
Retailer 27
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€2,506 EUR
$2,800 USD
View
B
Retailer 28
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€2,509 EUR
$2,803 USD
View
B
Retailer 29
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€2,748 EUR
$3,070 USD
View
B
Retailer 30
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€2,904 EUR
SGD 4,385 SGD
View
B+
Retailer 31
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€3,016 EUR
£2,653 GBP
View
B
Retailer 32
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€3,232 EUR
A$5,555 AUD
View
B
Retailer 33
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€5,326 EUR
$5,950 USD
View
Most Expensive
B
Diamond Quarter
1.57IFDLG18AED4N · Oct 31
€5,552 EUR
£4,884 GBP
View
33 more retailers have this diamond
Prices start from €600 EURSave up to €4,952 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
1.57ct Marquise
€600 EUR