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Round|Lab Grown|IGI

1.00ct I I1 Round Lab Grown Diamond

EX • I/I1 • IGI LG492123294

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492123294

Diamond specifications and retailer prices

From $390 USD
As of October 29, 2026
Save $1,504 USD (79%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,894 USD at MOH London · As of October 25, 2026
View at MOH London

About this 1ct lab-grown round diamond

This 1ct 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 LG492123294 or 492123294. Listed at 8 retailers as of October 25, 2026, with prices from $390 to $1,894, a $1,504 spread on the same certified stone. MOH London lists it at $1,894. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
I
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492123294
Dimensions6.45 × 6.50 × 3.84 mm
L/W Ratio1.01
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
6.45 mm6.50 mm1.00 ctI / I1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492123294
Side View
Table 58.5%Crown 32°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,894 USD|Low: $390 USD|High: $1,914 USD|Avg: $980 USD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 25, 2026
Retailer 3$390 USD
Retailer 4$484 USD
Retailer 5$768 USD
Retailer 6$877 USD
Retailer 2$1,358 USD
MOH London$1,894 USD

12 data points across 6 retailers

8 retailers$390 USD to $1,894 USD

B+
Cheapest Retailer
-
$390 USD
B+
Retailer 2
-
$437 USD
View
B+
Retailer 3
-
$484 USD
View
B+
Retailer 4
-
$484 USD
View
B+
Retailer 5
-
$768 USD
View
B
Retailer 6
-
$1,358 USD
View
B
Retailer 7
-
$1,556 USD
View
Most Expensive
B
MOH London
LG492123294 · Oct 25
$1,894 USD
£1,491 GBP
View
7 more retailers have this diamond
Prices start from $390 USDSave up to $1,504 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.

B+
1.00ct Round
$390 USD