Marquise|Lab Grown|IGI

1.77ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG628407568

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG628407568

Diamond specifications and retailer prices

From €939 EUR
HK$8,200 HKD
As of October 31, 2026
Save €2,319 EUR (71%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: €4,932 EUR at Do Amore Diamonds · As of October 23, 2026
View at Do Amore Diamonds

About this 1.77ct lab-grown marquise diamond

This 1.77ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG628407568 or 628407568. Listed at 28 retailers as of October 31, 2026, with a 247% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.77
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628407568
Dimensions12.86 × 6.19 × 3.94 mm
L/W Ratio2.08
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
12.86 mm6.19 mm1.77 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628407568
Side View
Table 61.0%Crown 34.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: €4,932 EUR|Low: €556 EUR|High: €6,304 EUR|Avg: €2,351 EUR
Do Amore Diamonds
Retailer 2
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Retailer 23
October 30, 2026
Retailer 11€556 EUR
Retailer 10€689 EUR
Retailer 4€700 EUR
Retailer 17€806 EUR
Retailer 23€883 EUR
Retailer 6€939 EUR
Retailer 9€1,011 EUR
Retailer 15€1,074 EUR
Retailer 20€1,099 EUR
Retailer 13€1,130 EUR
Retailer 18€1,293 EUR
Retailer 22€1,710 EUR
Retailer 12€1,812 EUR
Retailer 21€1,996 EUR
Retailer 8€2,197 EUR
Retailer 5€2,253 EUR
Retailer 3€2,553 EUR
Retailer 14€2,707 EUR
Retailer 7€2,714 EUR
Retailer 19€3,012 EUR
Retailer 2€3,258 EUR
Retailer 16€3,588 EUR
Do Amore Diamonds€4,932 EUR

34 data points across 23 retailers

28 retailers€939 EUR to €3,258 EUR

Retailer 1
-
€556 EUR
$621 USD
Price last confirmed 24 days ago
Retailer 2
-
€689 EUR
$770 USD
View
Price last confirmed 24 days ago
Retailer 3
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€689 EUR
$770 USD
View
Price last confirmed 22 days ago
Retailer 4
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€806 EUR
$900 USD
View
Price last confirmed 8 days ago
Retailer 5
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€883 EUR
$987 USD
View
Price last confirmed 10 days ago
A
Retailer 6
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€939 EUR
HK$8,200 HKD
View
Retailer 7
-
€1,011 EUR
$1,130 USD
View
Price last confirmed 8 days ago
Retailer 8
-
€1,074 EUR
$1,200 USD
View
Price last confirmed 11 days ago
Retailer 9
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€1,130 EUR
£994 GBP
View
Price last confirmed 10 days ago
Retailer 10
-
€1,293 EUR
ZAR 23,341 ZAR
View
Price last confirmed 13 days ago
Retailer 11
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€1,355 EUR
$1,514 USD
View
Price last confirmed 32 days ago
Retailer 12
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€1,474 EUR
$1,647 USD
View
Price last confirmed 33 days ago
Retailer 13
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€1,550 EUR
$1,732 USD
View
Price last confirmed 33 days ago
Retailer 14
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€1,710 EUR
$1,910 USD
View
Price last confirmed 10 days ago
Retailer 15
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€1,812 EUR
$2,025 USD
View
Price last confirmed 10 days ago
Retailer 16
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€1,996 EUR
$2,230 USD
View
Price last confirmed 11 days ago
Retailer 17
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€2,000 EUR
$2,234 USD
View
Price last confirmed 22 days ago
Retailer 18
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€2,000 EUR
$2,234 USD
View
Price last confirmed 10 days ago
Retailer 19
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€2,197 EUR
$2,455 USD
View
Price last confirmed 10 days ago
Retailer 20
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€2,253 EUR
$2,517 USD
View
Price last confirmed 11 days ago
Retailer 21
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€2,553 EUR
$2,852 USD
View
Price last confirmed 11 days ago
Retailer 22
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€2,707 EUR
SGD 4,087 SGD
View
Price last confirmed 11 days ago
Retailer 23
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€2,714 EUR
A$4,664 AUD
View
Price last confirmed 23 days ago
Retailer 24
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€3,012 EUR
£2,650 GBP
View
Price last confirmed 13 days ago
Retailer 25
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€3,253 EUR
$3,634 USD
View
Price last confirmed 31 days ago
B+
Retailer 26
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€3,258 EUR
$3,640 USD
View
Retailer 27
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€3,588 EUR
£3,156 GBP
View
Price last confirmed 25 days ago
Most Expensive
Do Amore Diamonds
27-E398F2DD7 · Oct 23
€4,932 EUR
$5,510 USD
View
Price last confirmed 9 days ago
27 more retailers have this diamond
Prices start from €939 EURSave up to €2,319 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
1.77ct Marquise
€939 EUR