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Round|Lab Grown|IGI

5.51ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG750558343

Shape and cutting style on the report: Round brilliant

Certificate IGI LG750558343

Diamond specifications and retailer prices

From €642 EUR
$717 USD
As of October 26, 2026
Save €4,192 EUR (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €4,833 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.51ct lab-grown round diamond

This 5.51ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG750558343 or 750558343. Listed at 21 retailers as of October 26, 2026, with prices from €642 to €4,833, a €4,192 spread on the same certified stone. Brilliant Earth lists it at €4,833. 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

5.51
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750558343
Dimensions11.44 × 11.39 × 6.88 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.44 mm11.39 mm5.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750558343
Side View
Table 57.0%Crown 34.5°Girdle: MediumPavilion 40.1°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: €4,833 EUR|Low: €632 EUR|High: €4,842 EUR|Avg: €1,822 EUR|-0.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
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Retailer 19
Retailer 20
October 31, 2026
Retailer 5€642 EUR
Retailer 4€747 EUR
Retailer 11€763 EUR
Retailer 12€763 EUR
Retailer 17€977 EUR
Retailer 2€1,043 EUR
Retailer 7€1,043 EUR
Retailer 19€1,102 EUR
Retailer 13€1,179 EUR
Retailer 18€1,340 EUR
Retailer 15€1,508 EUR
Retailer 9€1,533 EUR
Retailer 14€1,632 EUR
Retailer 3€1,893 EUR
Retailer 20€2,092 EUR
Retailer 16€2,538 EUR
Retailer 6€2,565 EUR
Retailer 8€3,000 EUR
Retailer 10€3,835 EUR
Brilliant Earth€4,833 EUR

35 data points across 20 retailers

21 retailers€642 EUR to €4,833 EUR

A
Cheapest Retailer
-
€642 EUR
$717 USD
Retailer 2
-
€716 EUR
$800 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
€747 EUR
$835 USD
View
Final sale: no returns
Retailer 4
-
€763 EUR
$852 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
€763 EUR
$852 USD
View
A
Retailer 6
-
€977 EUR
£859 GBP
View
B+
Retailer 7
-
€1,043 EUR
$1,165 USD
View
A
Retailer 8
-
€1,043 EUR
$1,165 USD
View
A
Retailer 9
-
€1,102 EUR
$1,231 USD
View
A
Retailer 10
-
€1,179 EUR
£1,038 GBP
View
A
Retailer 11
-
€1,340 EUR
View
B+
Retailer 12
-
€1,508 EUR
A$2,592 AUD
View
Retailer 13
-
€1,533 EUR
ZAR 27,673 ZAR
View
Price last confirmed 12 days ago
B+
Retailer 14
-
€1,632 EUR
$1,823 USD
View
B+
Retailer 15
-
€1,893 EUR
$2,115 USD
View
B+
Retailer 16
-
€2,092 EUR
$2,337 USD
View
B
Retailer 17
-
€2,538 EUR
$2,835 USD
View
B
Retailer 18
-
€2,565 EUR
$2,866 USD
View
B
Retailer 19
-
€3,000 EUR
£2,639 GBP
View
Retailer 20
-
€3,835 EUR
$4,285 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
17473704A · Oct 30
€4,833 EUR
$5,400 USD
View
20 more retailers have this diamond
Prices start from €642 EURSave up to €4,192 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
5.51ct Round
€642 EUR