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Oval|Lab Grown|IGI

2.56ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG647470400

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG647470400

Diamond specifications and retailer prices

From €501 EUR
$560 USD
As of October 31, 2026
Save €1,880 EUR (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €2,381 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.56ct lab-grown oval diamond

This 2.56ct lab-grown oval sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG647470400 or 647470400. Listed at 18 retailers as of October 31, 2026, with prices from €501 to €2,381, a €1,880 spread on the same certified stone. Brilliant Earth lists it at €2,381. 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

2.56
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647470400
Dimensions10.95 × 7.79 × 4.83 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.95 mm7.79 mm2.56 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647470400
Side View
Table 61.0%Crown 35.3°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.0%

Caratlytics Score

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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: €2,381 EUR|Low: €267 EUR|High: €2,667 EUR|Avg: €796 EUR|-10.7%
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
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 6€267 EUR
Retailer 4€310 EUR
Retailer 7€327 EUR
Retailer 12€330 EUR
Retailer 14€416 EUR
Retailer 15€501 EUR
Retailer 16€541 EUR
Retailer 9€569 EUR
Retailer 2€582 EUR
Retailer 5€668 EUR
Retailer 8€730 EUR
Retailer 13€1,016 EUR
Retailer 3€1,063 EUR
Retailer 10€1,332 EUR
Retailer 11€1,549 EUR
Brilliant Earth€2,381 EUR

39 data points across 16 retailers

18 retailers€501 EUR to €2,381 EUR

Retailer 1
-
€267 EUR
$298 USD
Price last confirmed 38 days ago
Retailer 2
-
€310 EUR
$346 USD
View
Price last confirmed 36 days ago
Retailer 3
-
€327 EUR
$365 USD
View
Price last confirmed 34 days ago
Retailer 4
-
€330 EUR
$369 USD
View
Price last confirmed 20 days ago
Retailer 5
-
€330 EUR
$369 USD
View
Price last confirmed 7 days ago
Retailer 6
-
€416 EUR
£366 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
€501 EUR
$560 USD
View
B+
Retailer 8
-
€541 EUR
$604 USD
View
A
Retailer 9
-
€569 EUR
View
A
Retailer 10
-
€582 EUR
£512 GBP
View
A
Retailer 11
-
€668 EUR
$746 USD
View
B+
Retailer 12
-
€730 EUR
$816 USD
View
B+
Retailer 13
-
€1,016 EUR
$1,135 USD
View
Retailer 14
-
€1,063 EUR
$1,188 USD
View
Price last confirmed 34 days ago
B
Retailer 15
-
€1,332 EUR
£1,172 GBP
View
B
Retailer 16
-
€1,549 EUR
$1,730 USD
View
Retailer 17
-
€1,580 EUR
$1,765 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
11455940A · Oct 31
€2,381 EUR
$2,660 USD
View
17 more retailers have this diamond
Prices start from €501 EURSave up to €1,880 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
2.56ct Oval
€501 EUR