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Round|Lab Grown|IGI

1.00ct H SI2 Round Lab Grown Diamond

EX • H/SI2 • IGI LG492123560

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492123560

Diamond specifications and retailer prices

From $527 USD
As of October 29, 2026
Save $2,214 USD (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,741 USD at MOH London · As of October 29, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492123560 or 492123560. Listed at 9 retailers as of October 29, 2026, with prices from $527 to $2,741, a $2,214 spread on the same certified stone. MOH London lists it at $2,741. 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
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.5°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492123560
Dimensions6.32 × 6.36 × 4.03 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
6.32 mm6.36 mm1.00 ctH / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG492123560
Side View
Table 57.5%Crown 35.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,741 USD|Low: $506 USD|High: $2,760 USD|Avg: $1,173 USD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 4$527 USD
Retailer 2$580 USD
Retailer 7$590 USD
Retailer 5$653 USD
Retailer 6$1,011 USD
Retailer 8$1,366 USD
Retailer 3$1,686 USD
MOH London$2,741 USD

11 data points across 8 retailers

9 retailers$527 USD to $2,741 USD

A
Cheapest Retailer
-
$527 USD
A
Retailer 2
-
$580 USD
View
A
Retailer 3
-
$590 USD
View
A
Retailer 4
-
$653 USD
View
Retailer 5
-
$653 USD
View
Price last confirmed 14 days ago
B+
Retailer 6
-
$1,011 USD
View
B
Retailer 7
-
$1,686 USD
View
B
Retailer 8
-
$1,718 USD
View
Most Expensive
B
MOH London
LG492123560 · Oct 29
$2,741 USD
£2,158 GBP
View
8 more retailers have this diamond
Prices start from $527 USDSave up to $2,214 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
1.00ct Round
$527 USD