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Round|Lab Grown|IGI

2.85ct J SI2 Round Lab Grown Diamond

ID • J/SI2 • IGI LG490174524

Shape and cutting style on the report: Round brilliant

Certificate IGI LG490174524

Diamond specifications and retailer prices

From $1,570 USD
As of October 30, 2026
Save $6,978 USD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,548 USD at MOH London · As of October 29, 2026
View at MOH London

About this 2.85ct lab-grown round diamond

This 2.85ct lab-grown round sits in the two to three carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG490174524 or 490174524. Listed at 10 retailers as of October 29, 2026, with prices from $1,570 to $8,548, a $6,978 spread on the same certified stone. MOH London lists it at $8,548. 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

2.85
Carat
J
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG490174524
Dimensions9.08 × 9.05 × 5.60 mm
L/W Ratio1.00
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
9.08 mm9.05 mm2.85 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG490174524
Side View
Table 58.0%Crown 34.2°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.8%

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 30
Current: $8,548 USD|Low: $1,570 USD|High: $8,617 USD|Avg: $4,141 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 2$1,570 USD
Retailer 4$2,738 USD
Retailer 7$3,066 USD
Retailer 5$3,176 USD
Retailer 8$3,176 USD
Retailer 3$4,660 USD
Retailer 6$4,942 USD
MOH London$8,548 USD

15 data points across 8 retailers

10 retailers$1,570 USD to $8,548 USD

A
Cheapest Retailer
-
$1,570 USD
B+
Retailer 2
-
$2,738 USD
View
B+
Retailer 3
-
$2,979 USD
View
B+
Retailer 4
-
$3,066 USD
View
Final sale: no returns
B+
Retailer 5
-
$3,176 USD
View
Retailer 6
-
$3,176 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$4,365 USD
View
B
Retailer 8
-
$4,660 USD
View
B
Retailer 9
-
$4,942 USD
View
Most Expensive
B
MOH London
LG490174524 · Oct 29
$8,548 USD
£6,731 GBP
View
9 more retailers have this diamond
Prices start from $1,570 USDSave up to $6,978 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
2.85ct Round
$1,570 USD