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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 $1,227 NZD
As of November 5, 2026
Save $4,669 NZD (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,897 NZD at MOH London · As of November 5, 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 November 5, 2026, with prices from $1,227 to $5,897, a $4,669 spread on the same certified stone. MOH London lists it at $5,897. 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
Colour
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 5
Current: $5,897 NZD|Low: $1,227 NZD|High: $5,994 NZD|Avg: $2,479 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 2$1,227 NZD
Retailer 4$1,361 NZD
Retailer 8$1,521 NZD
Retailer 5$1,578 NZD
Retailer 7$1,578 NZD
Retailer 9$1,895 NZD
Retailer 10$2,464 NZD
Retailer 6$2,553 NZD
Retailer 3$3,752 NZD
MOH London$5,897 NZD

16 data points across 10 retailers

11 retailers$1,227 NZD to $5,897 NZD

A
Cheapest Retailer
-
$1,227 NZD
A
Retailer 2
-
$1,361 NZD
View
A
Retailer 3
-
$1,480 NZD
View
A
Retailer 4
-
$1,521 NZD
View
Final sale: no returns
Retailer 5
-
$1,578 NZD
View
Price last confirmed 25 days ago
A
Retailer 6
-
$1,578 NZD
View
A
Retailer 7
-
$1,895 NZD
View
B+
Retailer 8
-
$2,553 NZD
View
B
Retailer 9
-
$3,752 NZD
View
B
Retailer 10
-
$4,435 NZD
View
Most Expensive
B
MOH London
LG490175101 · Nov 5
$5,897 NZD
£2,610 GBP
View
10 more retailers have this diamond
Prices start from $1,227 NZDSave up to $4,669 NZD

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
$1,227 NZD