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Round|Lab Grown|IGI

1.25ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG841605511

Shape and cutting style on the report: Round brilliant

Certificate IGI LG841605511

Diamond specifications and retailer prices

From $368 NZD
As of November 3, 2026
Save $1,463 NZD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,831 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.25ct lab-grown round diamond

This 1.25ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841605511 or 841605511. Listed at 17 retailers as of November 2, 2026, with prices from $368 to $1,831, a $1,463 spread on the same certified stone. MOH London lists it at $1,831. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841605511
Dimensions6.81 × 6.85 × 4.30 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.81 mm6.85 mm1.25 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841605511
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.0%

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: Nov 3
Current: $1,831 NZD|Low: $368 NZD|High: $1,843 NZD|Avg: $992 NZD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 4, 2026
Retailer 18$368 NZD
Retailer 16$427 NZD
Retailer 5$457 NZD
Retailer 7$457 NZD
Retailer 11$772 NZD
Retailer 17$775 NZD
Retailer 14$788 NZD
Retailer 8$789 NZD
Retailer 4$841 NZD
Retailer 6$893 NZD
Retailer 2$916 NZD
Retailer 12$1,117 NZD
Retailer 15$1,120 NZD
Retailer 13$1,193 NZD
Retailer 3$1,469 NZD
Retailer 9$1,563 NZD
Retailer 10$1,687 NZD
MOH London$1,831 NZD

20 data points across 18 retailers

17 retailers$368 NZD to $1,831 NZD

A
Cheapest Retailer
-
$368 NZD
A
Retailer 2
-
$427 NZD
View
Retailer 3
-
$457 NZD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$457 NZD
View
A
Retailer 5
-
$772 NZD
View
A
Retailer 6
-
$775 NZD
View
A
Retailer 7
-
$788 NZD
View
A
Retailer 8
-
$789 NZD
View
A
Retailer 9
-
$893 NZD
View
A
Retailer 10
-
$916 NZD
View
A
Retailer 11
-
$1,117 NZD
View
B+
Retailer 12
-
$1,120 NZD
View
B+
Retailer 13
-
$1,193 NZD
View
B+
Retailer 14
-
$1,469 NZD
View
B
Retailer 15
-
$1,563 NZD
View
B+
Retailer 16
-
$1,687 NZD
View
Most Expensive
B+
MOH London
LG841605511 · Nov 2
$1,831 NZD
£811 GBP
View
16 more retailers have this diamond
Prices start from $368 NZDSave up to $1,463 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
1.25ct Round
$368 NZD