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Round|Lab Grown|IGI

2.50ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG799635534

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799635534

Diamond specifications and retailer prices

From €282 EUR
$315 USD
As of November 1, 2026
Save €1,365 EUR (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,647 EUR at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 2.5ct lab-grown round diamond

This 2.5ct lab-grown round 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 LG799635534 or 799635534. Listed at 17 retailers as of October 28, 2026, with prices from €282 to €1,647, a €1,365 spread on the same certified stone. Brilliant Earth lists it at €1,647. 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

2.50
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799635534
Dimensions8.65 × 8.73 × 5.28 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.65 mm8.73 mm2.50 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799635534
Side View
Table 59.0%Crown 35.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.6%

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 1
Current: €1,647 EUR|Low: €282 EUR|High: €1,701 EUR|Avg: €816 EUR|-3.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 9€282 EUR
Retailer 10€349 EUR
Retailer 7€488 EUR
Retailer 5€567 EUR
Retailer 11€568 EUR
Retailer 3€616 EUR
Retailer 4€621 EUR
Retailer 8€1,025 EUR
Retailer 6€1,293 EUR
Retailer 2€1,400 EUR
Brilliant Earth€1,647 EUR

43 data points across 11 retailers

17 retailers€282 EUR to €1,647 EUR

A
Cheapest Retailer
-
€282 EUR
$315 USD
A
Retailer 2
-
€327 EUR
$365 USD
View
Retailer 3
-
€349 EUR
$390 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
€349 EUR
$390 USD
View
A
Retailer 5
-
€488 EUR
$545 USD
View
A
Retailer 6
-
€567 EUR
View
B+
Retailer 7
-
€568 EUR
$635 USD
View
B+
Retailer 8
-
€616 EUR
$688 USD
View
A
Retailer 9
-
€621 EUR
£546 GBP
View
B+
Retailer 10
-
€730 EUR
$816 USD
View
B
Retailer 11
-
€863 EUR
$964 USD
View
Retailer 12
-
€1,025 EUR
$1,145 USD
View
Price last confirmed 9 days ago
B
Retailer 13
-
€1,123 EUR
$1,255 USD
View
B
Retailer 14
-
€1,164 EUR
$1,301 USD
View
B
Retailer 15
-
€1,293 EUR
$1,445 USD
View
B
Retailer 16
-
€1,400 EUR
£1,232 GBP
View
Most Expensive
B
Brilliant Earth
20422978A · Oct 28
€1,647 EUR
$1,840 USD
View
16 more retailers have this diamond
Prices start from €282 EURSave up to €1,365 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
2.50ct Round
€282 EUR