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Round|Lab Grown|IGI

1.01ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG478112367

Shape and cutting style on the report: Round brilliant

Certificate IGI LG478112367

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)
13 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 LG478112367 or 478112367. Listed at 13 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 angle31.6°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG478112367
Dimensions6.53 × 6.50 × 3.93 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
6.53 mm6.50 mm1.01 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG478112367
Side View
Table 60.0%Crown 31.6°Girdle: MediumPavilion 41.6°Culet: NoneDepth 60.3%

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: $1,945 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
Retailer 14
Retailer 15
October 30, 2026
Retailer 2$580 USD
Retailer 10$1,126 USD
Retailer 3$1,225 USD
Retailer 15$1,260 USD
Retailer 11$1,306 USD
Retailer 13$1,306 USD
Retailer 4$1,480 USD
Retailer 8$1,714 USD
Retailer 5$1,845 USD
Retailer 12$2,077 USD
Retailer 9$2,238 USD
Retailer 14$2,448 USD
Retailer 6$2,573 USD
Retailer 7$3,739 USD
MOH London$4,218 USD

38 data points across 15 retailers

13 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
Retailer 5
-
$1,306 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$1,306 USD
View
B
Retailer 7
-
$1,480 USD
View
B+
Retailer 8
-
$1,714 USD
£1,350 GBP
View
B
Retailer 9
-
$2,077 USD
View
B
Retailer 10
-
$2,238 USD
€2,131 EUR
View
B
Retailer 11
-
$2,448 USD
View
B
Retailer 12
-
$2,573 USD
View
Most Expensive
B
MOH London
LG478112367 · Oct 29
$4,218 USD
£3,321 GBP
View
12 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