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Round|Lab Grown|IGI

0.51ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG726536730

Shape and cutting style on the report: Round brilliant

Certificate IGI LG726536730

Diamond specifications and retailer prices

From €83 EUR
As of November 5, 2026
Save €677 EUR (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €760 EUR at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 0.51ct lab-grown round diamond

This 0.51ct lab-grown round sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG726536730 or 726536730. Listed at 18 retailers as of November 4, 2026, with prices from €83 to €760, a €677 spread on the same certified stone. Reve Diamonds lists it at €760. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.51
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726536730
Dimensions5.11 × 5.15 × 3.14 mm
L/W Ratio1.01
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
5.11 mm5.15 mm0.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726536730
Side View
Table 57.0%Crown 33.9°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 61.3%

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: Nov 5
Current: €192 EUR|Low: €79 EUR|High: €761 EUR|Avg: €251 EUR|+7.5%
Retailer 1
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
Reve Diamonds
November 6, 2026
Retailer 5€83 EUR
Retailer 12€93 EUR
Retailer 7€96 EUR
Retailer 2€110 EUR
Retailer 14€110 EUR
Retailer 8€134 EUR
Retailer 1€192 EUR
Retailer 10€215 EUR
Retailer 15€216 EUR
Retailer 6€223 EUR
Retailer 13€310 EUR
Retailer 4€331 EUR
Retailer 9€370 EUR
Retailer 3€384 EUR
Retailer 11€757 EUR
Reve Diamonds€760 EUR

44 data points across 16 retailers

18 retailers€83 EUR to €760 EUR

A
Cheapest Retailer
-
€83 EUR
A
Retailer 2
-
€93 EUR
View
Final sale: no returns
A
Retailer 3
-
€96 EUR
View
Retailer 4
-
€110 EUR
View
Price last confirmed 12 days ago
A
Retailer 5
-
€110 EUR
View
A
Retailer 6
-
€134 EUR
View
A
Retailer 7
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€192 EUR
View
B+
Retailer 8
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€215 EUR
View
B+
Retailer 9
-
€216 EUR
View
B+
Retailer 10
-
€223 EUR
View
B+
Retailer 11
-
€242 EUR
View
B+
Retailer 12
-
€310 EUR
View
B+
Retailer 13
-
€331 EUR
View
B
Retailer 14
-
€370 EUR
View
B
Retailer 15
-
€384 EUR
View
B
Retailer 16
-
€404 EUR
View
B
Retailer 17
-
€757 EUR
View
Most Expensive
B
Reve Diamonds
5041F4287 · Nov 4
€760 EUR
$853 USD
View
17 more retailers have this diamond
Prices start from €83 EURSave up to €677 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
€83 EUR