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Marquise|Lab Grown|IGI

1.57ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG732556465

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG732556465

Diamond specifications and retailer prices

From €620 EUR
$693 USD
As of October 30, 2026
Save €2,271 EUR (79%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: €2,891 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG732556465 or 732556465. Listed at 29 retailers as of October 30, 2026, with prices from €620 to €2,891, a €2,271 spread on the same certified stone. Brilliant Earth lists it at €2,891. 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 angle34.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG732556465
Dimensions11.97 × 6.14 × 3.84 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
11.97 mm6.14 mm1.57 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG732556465
Side View
Table 60.0%Crown 34.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.5%

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: €2,891 EUR|Low: €620 EUR|High: €4,091 EUR|Avg: €1,769 EUR|-29.3%
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 8€620 EUR
Retailer 5€675 EUR
Retailer 11€813 EUR
Retailer 17€836 EUR
Retailer 16€877 EUR
Retailer 6€1,045 EUR
Retailer 18€1,142 EUR
Retailer 12€1,152 EUR
Retailer 15€1,322 EUR
Retailer 14€1,325 EUR
Retailer 4€1,772 EUR
Retailer 13€1,791 EUR
Retailer 10€2,023 EUR
Retailer 9€2,237 EUR
Retailer 3€2,421 EUR
Retailer 2€2,825 EUR
Brilliant Earth€2,891 EUR
Retailer 7€3,270 EUR

29 data points across 18 retailers

29 retailers€620 EUR to €2,891 EUR

A
Cheapest Retailer
-
€620 EUR
$693 USD
A
Retailer 2
-
€675 EUR
$754 USD
View
A
Retailer 3
-
€695 EUR
$776 USD
View
Final sale: no returns
A
Retailer 4
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€720 EUR
$804 USD
View
Retailer 5
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€720 EUR
$804 USD
View
Price last confirmed 16 days ago
A
Retailer 6
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€813 EUR
£715 GBP
View
A
Retailer 7
-
€836 EUR
HK$7,300 HKD
View
A
Retailer 8
-
€877 EUR
$980 USD
View
A
Retailer 9
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€937 EUR
$1,047 USD
View
A
Retailer 10
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€1,045 EUR
$1,168 USD
View
A
Retailer 11
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€1,088 EUR
$1,215 USD
View
Retailer 12
-
€1,142 EUR
View
Price last confirmed 7 days ago
A
Retailer 13
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€1,152 EUR
£1,014 GBP
View
A
Retailer 14
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€1,322 EUR
ZAR 23,869 ZAR
View
A
Retailer 15
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€1,325 EUR
A$2,278 AUD
View
B+
Retailer 16
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€1,772 EUR
$1,980 USD
View
B+
Retailer 17
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€1,791 EUR
A$3,079 AUD
View
B+
Retailer 18
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€2,023 EUR
$2,260 USD
View
Retailer 19
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€2,205 EUR
$2,463 USD
View
Price last confirmed 55 days ago
B+
Retailer 20
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€2,237 EUR
£1,968 GBP
View
B+
Retailer 21
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€2,328 EUR
$2,601 USD
View
B
Retailer 22
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€2,421 EUR
$2,705 USD
View
B+
Retailer 23
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€2,454 EUR
$2,742 USD
View
B
Retailer 24
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€2,476 EUR
$2,767 USD
View
B
Retailer 25
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€2,481 EUR
$2,772 USD
View
B
Retailer 26
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€2,546 EUR
£2,240 GBP
View
B
Retailer 27
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€2,563 EUR
$2,863 USD
View
B
Retailer 28
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€2,825 EUR
£2,485 GBP
View
Most Expensive
B
Brilliant Earth
15698475A · Oct 31
€2,891 EUR
$3,230 USD
View
28 more retailers have this diamond
Prices start from €620 EURSave up to €2,271 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
€620 EUR