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Oval|Lab Grown|IGI

2.58ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG611390698

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG611390698

Diamond specifications and retailer prices

From $588 USD
As of October 26, 2026
Save $1,452 USD (71%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,040 USD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 2.58ct lab-grown oval diamond

This 2.58ct lab-grown oval 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 LG611390698 or 611390698. Listed at 15 retailers as of October 26, 2026, with prices from $588 to $2,040, a $1,452 spread on the same certified stone. Brilliant Earth lists it at $2,040. 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

2.58
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG611390698
Dimensions11.08 × 7.86 × 4.84 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.08 mm7.86 mm2.58 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG611390698
Side View
Table 60.0%Crown 34.4°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.6%

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: Oct 26
Current: $2,040 USD|Low: $277 USD|High: $2,130 USD|Avg: $826 USD|-4.2%
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
October 26, 2026
Retailer 5$289 USD
Retailer 12$335 USD
Retailer 15$358 USD
Retailer 16$358 USD
Retailer 14$455 USD
Retailer 3$565 USD
Retailer 6$588 USD
Retailer 2$622 USD
Retailer 10$631 USD
Retailer 7$736 USD
Retailer 8$842 USD
Retailer 13$1,101 USD
Retailer 4$1,152 USD
Retailer 9$1,438 USD
Retailer 11$1,725 USD
Brilliant Earth$2,040 USD

33 data points across 16 retailers

15 retailers$588 USD to $2,040 USD

Retailer 1
-
$289 USD
Price last confirmed 9 days ago
Retailer 2
-
$335 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$358 USD
View
Price last confirmed 7 days ago
Retailer 4
-
$358 USD
View
Price last confirmed 7 days ago
Retailer 5
-
$455 USD
£358 GBP
View
Price last confirmed 15 days ago
Retailer 6
-
$565 USD
View
Price last confirmed 5 days ago
B+
Retailer 7
-
$588 USD
View
A
Retailer 8
-
$622 USD
£489 GBP
View
Retailer 9
-
$631 USD
€601 EUR
View
Price last confirmed 9 days ago
A
Retailer 10
-
$736 USD
View
B+
Retailer 11
-
$842 USD
View
B
Retailer 12
-
$1,101 USD
View
Retailer 13
-
$1,152 USD
View
Price last confirmed 7 days ago
Retailer 14
-
$1,438 USD
£1,132 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
8839151A · Oct 26
$2,040 USD
View
14 more retailers have this diamond
Prices start from $588 USDSave up to $1,452 USD

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
2.58ct Oval
$588 USD