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Round|Lab Grown|IGI

1.00ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG853628487

Certificate IGI LG853628487

Diamond specifications and retailer prices

From $222 USD
As of November 1, 2026
Save $1,147 USD (84%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,369 USD at MOH London · As of November 1, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG853628487 or 853628487. Listed at 2 retailers as of November 1, 2026, with prices from $222 to $1,369, a $1,147 spread on the same certified stone. MOH London lists it at $1,369. 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

1.00
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG853628487
Dimensions6.47 × 6.42 × 3.94 mm
L/W Ratio1.01
Top View
6.47 mm6.42 mm1.00 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG853628487
Side View
Table 58.0%CrownGirdlePavilionCuletDepth 61.1%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: $1,369 USD|Low: $222 USD|High: $1,369 USD|Avg: $796 USD
MOH London
Retailer 2
November 1, 2026
Retailer 2$222 USD
MOH London$1,369 USD

1 data point across 2 retailers

2 retailers$222 USD to $1,369 USD

B+
Cheapest Retailer
-
$222 USD
Most Expensive
C
MOH London
LG853628487 · Nov 1
$1,369 USD
£1,078 GBP
View
1 more retailer has this diamond
Prices start from $222 USDSave up to $1,147 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
$222 USD