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Round|Lab Grown|IGI

1.06ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG492122402

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492122402

Diamond specifications and retailer prices

From $610 USD
As of October 30, 2026
Save $2,750 USD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,360 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.06ct lab-grown round diamond

This 1.06ct lab-grown round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492122402 or 492122402. Listed at 11 retailers as of October 29, 2026, with prices from $610 to $3,360, a $2,750 spread on the same certified stone. MOH London lists it at $3,360. 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

1.06
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492122402
Dimensions6.54 × 6.50 × 4.07 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
6.54 mm6.50 mm1.06 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492122402
Side View
Table 55.0%Crown 33.5°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.5%

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: Oct 30
Current: $3,360 USD|Low: $547 USD|High: $3,387 USD|Avg: $1,248 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
October 30, 2026
Retailer 2$610 USD
Retailer 5$684 USD
Retailer 9$766 USD
Retailer 6$793 USD
Retailer 8$793 USD
Retailer 3$812 USD
Retailer 10$970 USD
Retailer 11$1,262 USD
Retailer 7$1,291 USD
Retailer 4$2,027 USD
MOH London$3,360 USD

19 data points across 11 retailers

11 retailers$610 USD to $3,360 USD

A
Cheapest Retailer
-
$610 USD
A
Retailer 2
-
$684 USD
View
A
Retailer 3
-
$744 USD
View
A
Retailer 4
-
$766 USD
View
Final sale: no returns
Retailer 5
-
$793 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$793 USD
View
A
Retailer 7
-
$970 USD
View
B+
Retailer 8
-
$1,291 USD
View
B
Retailer 9
-
$2,027 USD
View
B
Retailer 10
-
$2,231 USD
View
Most Expensive
B
MOH London
LG492122402 · Oct 29
$3,360 USD
£2,646 GBP
View
10 more retailers have this diamond
Prices start from $610 USDSave up to $2,750 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
1.06ct Round
$610 USD