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Round|Lab Grown|IGI

1.05ct I I1 Round Lab Grown Diamond

ID • I/I1 • IGI LG492123276

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492123276

Diamond specifications and retailer prices

From $408 USD
As of November 1, 2026
Save $1,571 USD (79%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,979 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI LG492123276 or 492123276. Listed at 8 retailers as of November 1, 2026, with prices from $408 to $1,979, a $1,571 spread on the same certified stone. MOH London lists it at $1,979. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
I
Color
I1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492123276
Dimensions6.59 × 6.62 × 4.00 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
6.59 mm6.62 mm1.05 ctI / I1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492123276
Side View
Table 56.0%Crown 33.4°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 60.5%

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: Nov 1
Current: $1,979 USD|Low: $392 USD|High: $2,003 USD|Avg: $926 USD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 3$408 USD
Retailer 8$457 USD
Retailer 4$506 USD
Retailer 6$506 USD
Retailer 5$802 USD
Retailer 9$908 USD
Retailer 2$1,421 USD
Retailer 7$1,628 USD
MOH London$1,979 USD

14 data points across 9 retailers

8 retailers$408 USD to $1,979 USD

A
Cheapest Retailer
-
$408 USD
B+
Retailer 2
-
$457 USD
View
Retailer 3
-
$506 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$506 USD
View
B+
Retailer 5
-
$802 USD
View
B
Retailer 6
-
$1,421 USD
View
B
Retailer 7
-
$1,628 USD
View
Most Expensive
B
MOH London
LG492123276 · Nov 1
$1,979 USD
£1,558 GBP
View
7 more retailers have this diamond
Prices start from $408 USDSave up to $1,571 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
1.05ct Round
$408 USD