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Round|Lab Grown|IGI

2.56ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG841674900

Shape and cutting style on the report: Round brilliant

Certificate IGI LG841674900

Diamond specifications and retailer prices

From €293 EUR
$327 USD
As of November 1, 2026
Save €1,605 EUR (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,898 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.56ct lab-grown round diamond

This 2.56ct lab-grown round sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG841674900 or 841674900. Listed at 20 retailers as of October 31, 2026, with prices from €293 to €1,898, a €1,605 spread on the same certified stone. Brilliant Earth lists it at €1,898. 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
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841674900
Dimensions8.90 × 8.94 × 5.23 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.90 mm8.94 mm2.56 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841674900
Side View
Table 61.0%Crown 32.7°Girdle: MediumPavilion 40.3°Culet: NoneDepth 58.6%

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: Nov 1
Current: €1,898 EUR|Low: €293 EUR|High: €2,882 EUR|Avg: €806 EUR|-0.5%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 1, 2026
Retailer 6€293 EUR
Retailer 8€327 EUR
Retailer 10€339 EUR
Retailer 12€363 EUR
Retailer 18€363 EUR
Retailer 19€401 EUR
Retailer 17€550 EUR
Retailer 15€564 EUR
Retailer 4€588 EUR
Retailer 13€596 EUR
Retailer 20€630 EUR
Retailer 14€648 EUR
Retailer 7€723 EUR
Retailer 16€873 EUR
Retailer 11€1,160 EUR
Retailer 3€1,167 EUR
Retailer 9€1,207 EUR
Retailer 5€1,431 EUR
Retailer 2€1,455 EUR
Brilliant Earth€1,898 EUR

31 data points across 20 retailers

20 retailers€293 EUR to €1,898 EUR

A
Cheapest Retailer
-
€293 EUR
$327 USD
A
Retailer 2
-
€327 EUR
$365 USD
View
Final sale: no returns
A
Retailer 3
-
€339 EUR
$379 USD
View
Retailer 4
-
€363 EUR
$406 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
€363 EUR
$406 USD
View
A
Retailer 6
-
€401 EUR
HK$3,500 HKD
View
A
Retailer 7
-
€550 EUR
$615 USD
View
A
Retailer 8
-
€564 EUR
View
B+
Retailer 9
-
€588 EUR
$657 USD
View
A
Retailer 10
-
€596 EUR
£524 GBP
View
A
Retailer 11
-
€630 EUR
$704 USD
View
A
Retailer 12
-
€648 EUR
£570 GBP
View
A
Retailer 13
-
€723 EUR
$808 USD
View
B+
Retailer 14
-
€873 EUR
$975 USD
View
B+
Retailer 15
-
€1,160 EUR
SGD 1,752 SGD
View
B+
Retailer 16
-
€1,167 EUR
$1,304 USD
View
B
Retailer 17
-
€1,207 EUR
$1,348 USD
View
B
Retailer 18
-
€1,431 EUR
$1,599 USD
View
B
Retailer 19
-
€1,455 EUR
£1,280 GBP
View
Most Expensive
B
Brilliant Earth
21666461A · Oct 31
€1,898 EUR
$2,120 USD
View
19 more retailers have this diamond
Prices start from €293 EURSave up to €1,605 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 Round
€293 EUR