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Round|Lab Grown|IGI

2.59ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG766693058

Shape and cutting style on the report: Round brilliant

Certificate IGI LG766693058

Diamond specifications and retailer prices

From €322 EUR
$360 USD
As of October 31, 2026
Save €1,683 EUR (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €2,005 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.59ct lab-grown round diamond

This 2.59ct lab-grown round sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG766693058 or 766693058. Listed at 14 retailers as of October 31, 2026, with prices from €322 to €2,005, a €1,683 spread on the same certified stone. Brilliant Earth lists it at €2,005. 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
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766693058
Dimensions8.86 × 8.83 × 5.37 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.86 mm8.83 mm2.59 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766693058
Side View
Table 60.0%Crown 35.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.8%

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: Oct 31
Current: €2,005 EUR|Low: €72 EUR|High: €2,059 EUR|Avg: €760 EUR|-2.6%
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 11€72 EUR
Retailer 7€322 EUR
Retailer 3€356 EUR
Retailer 9€578 EUR
Retailer 5€582 EUR
Retailer 2€635 EUR
Retailer 10€693 EUR
Retailer 8€1,045 EUR
Retailer 6€1,187 EUR
Retailer 4€1,437 EUR
Brilliant Earth€2,005 EUR

38 data points across 11 retailers

14 retailers€322 EUR to €2,005 EUR

Retailer 1
-
€276 EUR
$308 USD
Price last confirmed 24 days ago
A
Retailer 2
-
€322 EUR
$360 USD
View
Final sale: no returns
Retailer 3
-
€334 EUR
$373 USD
View
Price last confirmed 26 days ago
Retailer 4
-
€356 EUR
$398 USD
View
Price last confirmed 30 days ago
B+
Retailer 5
-
€578 EUR
$646 USD
View
A
Retailer 6
-
€582 EUR
$650 USD
View
A
Retailer 7
-
€635 EUR
£559 GBP
View
A
Retailer 8
-
€693 EUR
$774 USD
View
B+
Retailer 9
-
€926 EUR
$1,034 USD
View
B+
Retailer 10
-
€1,045 EUR
$1,168 USD
View
Retailer 11
-
€1,147 EUR
$1,281 USD
View
Price last confirmed 25 days ago
B+
Retailer 12
-
€1,187 EUR
$1,326 USD
View
B
Retailer 13
-
€1,437 EUR
£1,264 GBP
View
Most Expensive
B
Brilliant Earth
18326213A · Oct 31
€2,005 EUR
$2,240 USD
View
13 more retailers have this diamond
Prices start from €322 EURSave up to €1,683 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
2.59ct Round
€322 EUR