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Round|Lab Grown|IGI

0.51ct I VS1 Round Lab Grown Diamond

EX • I/VS1 • IGI LG407936487

Shape and cutting style on the report: Round brilliant

Certificate IGI LG407936487

Diamond specifications and retailer prices

From €286 EUR
As of November 5, 2026
Save €1,130 EUR (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,416 EUR at MOH London · As of November 5, 2026
View at MOH London

About this 0.51ct lab-grown round diamond

This 0.51ct lab-grown round sits in the half to three-quarter carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG407936487 or 407936487. Listed at 13 retailers as of November 5, 2026, with prices from €286 to €1,416, a €1,130 spread on the same certified stone. MOH London lists it at €1,416. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407936487
Dimensions5.10 × 5.11 × 3.21 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
5.10 mm5.11 mm0.51 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG407936487
Side View
Table 56.5%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

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: Nov 5
Current: €1,416 EUR|Low: €274 EUR|High: €1,437 EUR|Avg: €707 EUR|-1.3%
MOH London
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
Retailer 15
Retailer 16
Retailer 17
November 5, 2026
Retailer 12€286 EUR
Retailer 13€303 EUR
Retailer 3€319 EUR
Retailer 4€331 EUR
Retailer 14€355 EUR
Retailer 16€355 EUR
Retailer 5€507 EUR
Retailer 15€576 EUR
Retailer 2€642 EUR
Retailer 10€648 EUR
Retailer 6€682 EUR
Retailer 7€685 EUR
Retailer 11€1,039 EUR
Retailer 17€1,139 EUR
Retailer 8€1,385 EUR
MOH London€1,416 EUR
Retailer 9€1,423 EUR

23 data points across 17 retailers

13 retailers€286 EUR to €1,416 EUR

A
Cheapest Retailer
-
€286 EUR
A
Retailer 2
-
€303 EUR
View
A
Retailer 3
-
€319 EUR
View
Final sale: no returns
A
Retailer 4
-
€331 EUR
View
A
Retailer 5
-
€355 EUR
View
Retailer 6
-
€355 EUR
View
Price last confirmed 12 days ago
B+
Retailer 7
-
€576 EUR
View
B+
Retailer 8
-
€642 EUR
View
Retailer 9
-
€648 EUR
View
Price last confirmed 8 days ago
B
Retailer 10
-
€1,039 EUR
View
B
Retailer 11
-
€1,139 EUR
View
B
Retailer 12
-
€1,385 EUR
View
Most Expensive
B
MOH London
LG407936487 · Nov 5
€1,416 EUR
£1,251 GBP
View
12 more retailers have this diamond
Prices start from €286 EURSave up to €1,130 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
0.51ct Round
€286 EUR