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Marquise|Lab Grown|IGI

5.71ct G SI1 Marquise Lab Grown Diamond

ID • G/SI1 • IGI LG601304865

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG601304865

Diamond specifications and retailer prices

From €610 EUR
$681 USD
As of October 30, 2026
Save €4,806 EUR (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €5,415 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.71ct lab-grown marquise diamond

This 5.71ct lab-grown marquise sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG601304865 or 601304865. Listed at 11 retailers as of October 30, 2026, with prices from €610 to €5,415, a €4,806 spread on the same certified stone. Do Amore Diamonds lists it at €5,415. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

5.71
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG601304865
Dimensions18.49 × 9.42 × 5.80 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
18.49 mm9.42 mm5.71 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG601304865
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.6%

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: Oct 30
Current: €5,415 EUR|Low: €610 EUR|High: €6,830 EUR|Avg: €2,521 EUR|-16.3%
Do Amore Diamonds
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 1, 2026
Retailer 11€610 EUR
Retailer 9€663 EUR
Retailer 4€703 EUR
Retailer 3€738 EUR
Retailer 13€1,151 EUR
Retailer 8€1,155 EUR
Retailer 5€1,161 EUR
Retailer 10€1,806 EUR
Retailer 14€2,085 EUR
Retailer 12€2,195 EUR
Retailer 2€3,066 EUR
Retailer 7€3,706 EUR
Retailer 6€5,064 EUR
Do Amore Diamonds€5,415 EUR

24 data points across 14 retailers

11 retailers€610 EUR to €5,415 EUR

A
Cheapest Retailer
-
€610 EUR
$681 USD
A
Retailer 2
-
€663 EUR
$741 USD
View
A
Retailer 3
-
€738 EUR
$824 USD
View
Final sale: no returns
B+
Retailer 4
-
€1,151 EUR
$1,286 USD
View
B+
Retailer 5
-
€1,155 EUR
$1,290 USD
View
B+
Retailer 6
-
€1,806 EUR
$2,018 USD
View
B+
Retailer 7
-
€2,085 EUR
$2,329 USD
View
B+
Retailer 8
-
€2,195 EUR
$2,452 USD
View
B
Retailer 9
-
€3,066 EUR
£2,697 GBP
View
B
Retailer 10
-
€3,706 EUR
$4,140 USD
View
Most Expensive
B
Do Amore Diamonds
27-28765A35B · Oct 31
€5,415 EUR
$6,050 USD
View
10 more retailers have this diamond
Prices start from €610 EURSave up to €4,806 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
5.71ct Marquise
€610 EUR