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Radiant|Lab Grown|IGI

2.51ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG526271046

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG526271046

Diamond specifications and retailer prices

From €1,755 EUR
As of November 6, 2026
Save €7,163 EUR (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €10,921 EUR at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 2.51ct lab-grown radiant diamond

This 2.51ct lab-grown radiant sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG526271046 or 526271046. Listed at 14 retailers as of November 5, 2026, with a 408% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.51
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.7°
Pavilion angle30.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526271046
Dimensions9.04 × 6.51 × 4.53 mm
L/W Ratio1.39
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.04 mm6.51 mm2.51 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526271046
Side View
Table 63.0%Crown 47.7°Girdle: ThickPavilion 30.4°Culet: NoneDepth 69.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €5,429 EUR|Low: €1,755 EUR|High: €10,921 EUR|Avg: €5,746 EUR|-2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Reve Diamonds
November 7, 2026
Retailer 5€1,755 EUR
Retailer 4€3,600 EUR
Retailer 8€4,031 EUR
Retailer 6€4,176 EUR
Retailer 1€5,429 EUR
Retailer 3€5,538 EUR
Retailer 7€6,466 EUR
Retailer 2€8,919 EUR
Reve Diamonds€10,921 EUR

45 data points across 9 retailers

14 retailers€1,755 EUR to €8,919 EUR

B+
Cheapest Retailer
-
€1,755 EUR
B
Retailer 2
-
€3,600 EUR
View
B
Retailer 3
-
€3,773 EUR
View
B
Retailer 4
-
€3,797 EUR
View
B
Retailer 5
-
€4,031 EUR
View
Final sale: no returns
B
Retailer 6
-
€4,176 EUR
View
Retailer 7
-
€4,176 EUR
View
Price last confirmed 26 days ago
B
Retailer 8
-
€4,223 EUR
View
B
Retailer 9
-
€5,217 EUR
View
B
Retailer 10
-
€5,429 EUR
View
B
Retailer 11
-
€5,538 EUR
View
B
Retailer 12
-
€6,466 EUR
View
B
Retailer 13
-
€8,919 EUR
View
Most Expensive
Reve Diamonds
E65BE2DF8 · Nov 6
€10,921 EUR
$12,194 USD
View
Price under review
13 more retailers have this diamond
Prices start from €1,755 EURSave up to €7,163 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.

B+
2.51ct Radiant
€1,755 EUR