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Round|Lab Grown|IGI

2.59ct H SI1 Round Lab Grown Diamond

EX • H/SI1

Diamond specifications and retailer prices

From €361 EUR
$403 USD
As of October 30, 2026
Save €1,452 EUR (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €1,813 EUR at Diamond Exchange Canada · As of October 30, 2026
View at Diamond Exchange Canada

About this 2.59ct lab-grown round diamond

This 2.59ct lab-grown round sits in the two to three carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI. Listed at 9 retailers as of October 30, 2026, with prices from €361 to €1,813, a €1,452 spread on the same certified stone. Diamond Exchange Canada lists it at €1,813. 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

2.59
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions8.79 × 8.75 × 5.50 mm
L/W Ratio1.00
Top View
8.79 mm8.75 mm2.59 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 55.5%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.7%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: €1,813 EUR|Low: €290 EUR|High: €1,813 EUR|Avg: €723 EUR
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 6€290 EUR
Retailer 8€354 EUR
Retailer 7€359 EUR
Retailer 3€361 EUR
Retailer 4€517 EUR
Retailer 2€853 EUR
Retailer 5€1,275 EUR
Diamond Exchange Canada€1,813 EUR

40 data points across 8 retailers

9 retailers€361 EUR to €1,813 EUR

Retailer 1
-
€290 EUR
$324 USD
Price last confirmed 39 days ago
Retailer 2
-
€337 EUR
$376 USD
View
Price last confirmed 38 days ago
Retailer 3
-
€354 EUR
$396 USD
View
Price last confirmed 46 days ago
Retailer 4
-
€354 EUR
$396 USD
View
Price last confirmed 40 days ago
B+
Retailer 5
-
€361 EUR
$403 USD
View
B+
Retailer 6
-
€517 EUR
$578 USD
View
B+
Retailer 7
-
€853 EUR
£751 GBP
View
Retailer 8
-
€1,275 EUR
$1,424 USD
View
Price last confirmed 40 days ago
Most Expensive
B+
Diamond Exchange Canada
1986528095 · Oct 30
€1,813 EUR
CA$2,813 CAD
View
8 more retailers have this diamond
Prices start from €361 EURSave up to €1,452 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+
2.59ct Round
€361 EUR