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Round|Lab Grown|IGI

2.58ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG476156057

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476156057

Diamond specifications and retailer prices

From $1,420 USD
As of October 31, 2026
Save $7,589 USD (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,009 USD at MOH London · As of November 1, 2026
View at MOH London

About this 2.58ct lab-grown round diamond

This 2.58ct lab-grown round sits in the two to three carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG476156057 or 476156057. Listed at 10 retailers as of October 31, 2026, with prices from $1,420 to $9,009, a $7,589 spread on the same certified stone. MOH London lists it at $9,009. 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
I
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476156057
Dimensions8.72 × 8.78 × 5.41 mm
L/W Ratio1.01
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
8.72 mm8.78 mm2.58 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476156057
Side View
Table 57.5%Crown 36°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $9,009 USD|Low: $1,420 USD|High: $9,130 USD|Avg: $4,833 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 2$1,420 USD
Retailer 4$3,064 USD
Retailer 7$3,431 USD
Retailer 5$3,554 USD
Retailer 8$3,554 USD
Retailer 9$4,282 USD
Retailer 3$5,003 USD
Retailer 6$5,522 USD
Retailer 10$7,958 USD
MOH London$9,009 USD

18 data points across 10 retailers

10 retailers$1,420 USD to $9,009 USD

A
Cheapest Retailer
-
$1,420 USD
B+
Retailer 2
-
$3,064 USD
View
B+
Retailer 3
-
$3,334 USD
View
B+
Retailer 4
-
$3,431 USD
View
Final sale: no returns
Retailer 5
-
$3,554 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$3,554 USD
View
B
Retailer 7
-
$4,441 USD
View
B
Retailer 8
-
$5,003 USD
View
B
Retailer 9
-
$5,522 USD
View
Most Expensive
B
MOH London
LG476156057 · Nov 1
$9,009 USD
£7,094 GBP
View
9 more retailers have this diamond
Prices start from $1,420 USDSave up to $7,589 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 Round
$1,420 USD