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Marquise|Lab Grown|IGI

1.55ct D VVS1 Marquise Lab Grown Diamond

EX • D/VVS1 • IGI LG780622176

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780622176

Diamond specifications and retailer prices

From €339 EUR
$380 USD
As of November 2, 2026
Save €1,303 EUR (79%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €2,728 EUR at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.55ct lab-grown marquise diamond

This 1.55ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG780622176 or 780622176. Listed at 25 retailers as of November 1, 2026, with a 385% 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

1.55
Carat
D
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780622176
Dimensions11.86 × 6.18 × 3.84 mm
L/W Ratio1.92
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
11.86 mm6.18 mm1.55 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780622176
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.1%

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: Nov 2
Current: €2,728 EUR|Low: €339 EUR|High: €2,728 EUR|Avg: €1,023 EUR
Brilliant Earth
Retailer 2
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Retailer 19
Retailer 20
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Retailer 22
Retailer 23
Retailer 24
November 2, 2026
Retailer 6€339 EUR
Retailer 10€380 EUR
Retailer 23€380 EUR
Retailer 4€420 EUR
Retailer 9€420 EUR
Retailer 5€447 EUR
Retailer 21€553 EUR
Retailer 11€563 EUR
Retailer 24€668 EUR
Retailer 22€699 EUR
Retailer 8€707 EUR
Retailer 2€725 EUR
Retailer 13€760 EUR
Retailer 20€975 EUR
Retailer 19€991 EUR
Retailer 14€1,337 EUR
Retailer 7€1,351 EUR
Retailer 16€1,385 EUR
Retailer 3€1,498 EUR
Retailer 15€1,573 EUR
Retailer 12€1,577 EUR
Retailer 18€1,642 EUR
Retailer 17€1,685 EUR
Brilliant Earth€2,728 EUR

30 data points across 24 retailers

25 retailers€339 EUR to €1,642 EUR

A
Cheapest Retailer
-
€339 EUR
$380 USD
A
Retailer 2
-
€380 EUR
$426 USD
View
A
Retailer 3
-
€380 EUR
$426 USD
View
Final sale: no returns
A
Retailer 4
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€420 EUR
$471 USD
View
Retailer 5
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€420 EUR
$471 USD
View
Price last confirmed 8 days ago
Retailer 6
-
€447 EUR
£394 GBP
View
Price last confirmed 16 days ago
A
Retailer 7
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€553 EUR
$620 USD
View
A
Retailer 8
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€563 EUR
$632 USD
View
A
Retailer 9
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€668 EUR
$749 USD
View
A
Retailer 10
-
€699 EUR
View
A
Retailer 11
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€707 EUR
$793 USD
View
B+
Retailer 12
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€725 EUR
ZAR 13,130 ZAR
View
B+
Retailer 13
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€760 EUR
£671 GBP
View
B+
Retailer 14
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€975 EUR
A$1,683 AUD
View
B+
Retailer 15
-
€991 EUR
$1,111 USD
View
B+
Retailer 16
-
€1,337 EUR
SGD 2,027 SGD
View
B+
Retailer 17
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€1,351 EUR
$1,515 USD
View
B+
Retailer 18
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€1,385 EUR
$1,553 USD
View
Retailer 19
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€1,498 EUR
$1,680 USD
View
Price last confirmed 15 days ago
Retailer 20
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€1,511 EUR
A$2,607 AUD
View
Price last confirmed 97 days ago
B
Retailer 21
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€1,573 EUR
$1,764 USD
View
B
Retailer 22
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€1,577 EUR
$1,768 USD
View
B
Retailer 23
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€1,642 EUR
£1,450 GBP
View
Retailer 24
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€1,685 EUR
£1,488 GBP
View
Price last confirmed 19 days ago
Most Expensive
Brilliant Earth
18441629A · Oct 16
€2,728 EUR
$3,060 USD
View
Price last confirmed 17 days ago
24 more retailers have this diamond
Prices start from €339 EURSave up to €1,303 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
1.55ct Marquise
€339 EUR