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Round|Lab Grown|IGI

1.19ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG490175101

Shape and cutting style on the report: Round brilliant

Certificate IGI LG490175101

Diamond specifications and retailer prices

From $690 USD
As of November 2, 2026
Save $2,653 USD (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,343 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.19ct lab-grown round diamond

This 1.19ct 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 LG490175101 or 490175101. Listed at 11 retailers as of October 29, 2026, with prices from $690 to $3,343, a $2,653 spread on the same certified stone. MOH London lists it at $3,343. 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

1.19
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG490175101
Dimensions6.71 × 6.76 × 4.20 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
6.71 mm6.76 mm1.19 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG490175101
Side View
Table 55.5%Crown 35.8°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.4%

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: Nov 2
Current: $3,343 USD|Low: $690 USD|High: $3,369 USD|Avg: $1,392 USD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$690 USD
Retailer 4$765 USD
Retailer 8$855 USD
Retailer 5$887 USD
Retailer 7$887 USD
Retailer 9$1,065 USD
Retailer 10$1,385 USD
Retailer 6$1,435 USD
Retailer 3$2,109 USD
MOH London$3,343 USD

16 data points across 10 retailers

11 retailers$690 USD to $3,343 USD

A
Cheapest Retailer
-
$690 USD
A
Retailer 2
-
$765 USD
View
A
Retailer 3
-
$832 USD
View
A
Retailer 4
-
$855 USD
View
Final sale: no returns
Retailer 5
-
$887 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$887 USD
View
A
Retailer 7
-
$1,065 USD
View
B+
Retailer 8
-
$1,435 USD
View
B
Retailer 9
-
$2,109 USD
View
B
Retailer 10
-
$2,493 USD
View
Most Expensive
B
MOH London
LG490175101 · Oct 29
$3,343 USD
£2,632 GBP
View
10 more retailers have this diamond
Prices start from $690 USDSave up to $2,653 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
1.19ct Round
$690 USD