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Marquise|Lab Grown|IGI

4.51ct G VS2 Marquise Lab Grown Diamond

EX • G/VS2 • IGI LG769653941

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG769653941

Diamond specifications and retailer prices

From €873 EUR
$975 USD
As of October 31, 2026
Save €1,934 EUR (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €3,885 EUR at Brilliant Earth · As of October 14, 2026
View at Brilliant Earth

About this 4.51ct lab-grown marquise diamond

This 4.51ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG769653941 or 769653941. Listed at 13 retailers as of October 31, 2026, with a 222% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.51
Carat
G
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG769653941
Dimensions17.46 × 8.68 × 5.24 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.46 mm8.68 mm4.51 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG769653941
Side View
Table 60.0%Crown 35°Girdle: THN-MEDPavilion 39.8°Culet: NoneDepth 60.4%

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 31
Current: €3,885 EUR|Low: €765 EUR|High: €4,037 EUR|Avg: €1,874 EUR|-3.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 7€873 EUR
Retailer 13€1,105 EUR
Retailer 6€1,145 EUR
Retailer 9€1,163 EUR
Retailer 11€1,170 EUR
Retailer 12€1,350 EUR
Retailer 8€1,761 EUR
Retailer 5€2,224 EUR
Retailer 10€2,437 EUR
Retailer 3€2,465 EUR
Retailer 4€2,600 EUR
Retailer 2€2,807 EUR
Brilliant Earth€3,885 EUR

33 data points across 13 retailers

13 retailers€873 EUR to €2,807 EUR

A
Cheapest Retailer
-
€873 EUR
$975 USD
A
Retailer 2
-
€1,105 EUR
$1,235 USD
View
A
Retailer 3
-
€1,145 EUR
£1,007 GBP
View
B+
Retailer 4
-
€1,163 EUR
$1,299 USD
View
A
Retailer 5
-
€1,350 EUR
$1,508 USD
View
Retailer 6
-
€1,585 EUR
$1,771 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
€1,761 EUR
$1,967 USD
View
B+
Retailer 8
-
€2,224 EUR
£1,956 GBP
View
B+
Retailer 9
-
€2,437 EUR
$2,723 USD
View
B+
Retailer 10
-
€2,465 EUR
$2,754 USD
View
Retailer 11
-
€2,600 EUR
$2,905 USD
View
Price last confirmed 25 days ago
B
Retailer 12
-
€2,807 EUR
£2,469 GBP
View
Most Expensive
Brilliant Earth
18181665A · Oct 14
€3,885 EUR
$4,340 USD
View
Price last confirmed 18 days ago
12 more retailers have this diamond
Prices start from €873 EURSave up to €1,934 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
4.51ct Marquise
€873 EUR