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Round|Lab Grown|IGI

1.01ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG476186136

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476186136

Diamond specifications and retailer prices

From $580 USD
As of October 30, 2026
Save $3,638 USD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,218 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.01ct lab-grown round diamond

This 1.01ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG476186136 or 476186136. Listed at 12 retailers as of October 29, 2026, with prices from $580 to $4,218, a $3,638 spread on the same certified stone. MOH London lists it at $4,218. 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

1.01
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476186136
Dimensions6.56 × 6.54 × 3.85 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
6.56 mm6.54 mm1.01 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476186136
Side View
Table 59.5%Crown 31.8°Girdle: MediumPavilion 40.2°Culet: NoneDepth 58.7%

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 30
Current: $4,218 USD|Low: $580 USD|High: $4,252 USD|Avg: $1,982 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 31, 2026
Retailer 6$580 USD
Retailer 7$1,126 USD
Retailer 11$1,260 USD
Retailer 8$1,306 USD
Retailer 10$1,306 USD
Retailer 5$1,410 USD
Retailer 12$1,480 USD
Retailer 13$1,845 USD
Retailer 9$2,077 USD
Retailer 2$2,231 USD
Retailer 3$2,573 USD
Retailer 4$3,739 USD
MOH London$4,218 USD

25 data points across 13 retailers

12 retailers$580 USD to $4,218 USD

A
Cheapest Retailer
-
$580 USD
B+
Retailer 2
-
$1,126 USD
View
B+
Retailer 3
-
$1,225 USD
View
B+
Retailer 4
-
$1,260 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,306 USD
View
Retailer 6
-
$1,306 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$1,480 USD
View
B
Retailer 8
-
$2,077 USD
View
B
Retailer 9
-
$2,231 USD
€2,125 EUR
View
B
Retailer 10
-
$2,448 USD
View
B
Retailer 11
-
$2,573 USD
View
Most Expensive
B
MOH London
LG476186136 · Oct 29
$4,218 USD
£3,321 GBP
View
11 more retailers have this diamond
Prices start from $580 USDSave up to $3,638 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
1.01ct Round
$580 USD