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Round|Lab Grown|IGI

1.58ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG480168615

Shape and cutting style on the report: Round brilliant

Certificate IGI LG480168615

Diamond specifications and retailer prices

From $1,120 USD
As of October 29, 2026
Save $3,720 USD (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,840 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.58ct lab-grown round diamond

This 1.58ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG480168615 or 480168615. Listed at 10 retailers as of October 29, 2026, with prices from $1,120 to $4,840, a $3,720 spread on the same certified stone. MOH London lists it at $4,840. 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

1.58
Carat
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG480168615
Dimensions7.58 × 7.56 × 4.48 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
7.58 mm7.56 mm1.58 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG480168615
Side View
Table 59.0%Crown 32.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.2%

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 29
Current: $4,840 USD|Low: $1,033 USD|High: $4,878 USD|Avg: $2,110 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 6$1,120 USD
Retailer 2$1,292 USD
Retailer 10$1,405 USD
Retailer 9$1,447 USD
Retailer 7$1,498 USD
Retailer 12$1,498 USD
Retailer 4$1,739 USD
Retailer 3$2,070 USD
Retailer 8$2,371 USD
Retailer 13$2,793 USD
Retailer 11$2,808 USD
Retailer 5$3,354 USD
MOH London$4,840 USD

17 data points across 13 retailers

10 retailers$1,120 USD to $4,840 USD

A
Cheapest Retailer
-
$1,120 USD
A
Retailer 2
-
$1,292 USD
View
B+
Retailer 3
-
$1,405 USD
View
B+
Retailer 4
-
$1,447 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,498 USD
View
Retailer 6
-
$1,498 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$2,371 USD
View
B
Retailer 8
-
$2,793 USD
View
B
Retailer 9
-
$2,808 USD
View
Most Expensive
B
MOH London
LG480168615 · Oct 29
$4,840 USD
£3,811 GBP
View
9 more retailers have this diamond
Prices start from $1,120 USDSave up to $3,720 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
1.58ct Round
$1,120 USD