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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 $295 AUD
As of November 3, 2026
Save $1,170 AUD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,465 AUD at MOH London · As of November 5, 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 3, 2026, with prices from $295 to $1,465, a $1,170 spread on the same certified stone. MOH London lists it at $1,465. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $1,465 AUD|Low: $295 AUD|High: $1,477 AUD|Avg: $794 AUD|-0.9%
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 5, 2026
Retailer 18$295 AUD
Retailer 16$342 AUD
Retailer 5$366 AUD
Retailer 7$366 AUD
Retailer 11$619 AUD
Retailer 17$622 AUD
Retailer 14$631 AUD
Retailer 8$633 AUD
Retailer 4$674 AUD
Retailer 6$716 AUD
Retailer 2$734 AUD
Retailer 12$895 AUD
Retailer 15$898 AUD
Retailer 13$957 AUD
Retailer 3$1,177 AUD
Retailer 9$1,253 AUD
Retailer 10$1,353 AUD
MOH London$1,465 AUD

21 data points across 18 retailers

17 retailers$295 AUD to $1,465 AUD

A
Cheapest Retailer
-
$295 AUD
A
Retailer 2
-
$342 AUD
View
Retailer 3
-
$366 AUD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$366 AUD
View
A
Retailer 5
-
$619 AUD
View
A
Retailer 6
-
$622 AUD
View
A
Retailer 7
-
$631 AUD
View
A
Retailer 8
-
$633 AUD
View
A
Retailer 9
-
$716 AUD
View
A
Retailer 10
-
$734 AUD
View
A
Retailer 11
-
$895 AUD
View
B+
Retailer 12
-
$898 AUD
View
B+
Retailer 13
-
$957 AUD
View
B+
Retailer 14
-
$1,177 AUD
View
B
Retailer 15
-
$1,253 AUD
View
B+
Retailer 16
-
$1,353 AUD
View
Most Expensive
B+
MOH London
LG841605511 · Nov 5
$1,465 AUD
£809 GBP
View
16 more retailers have this diamond
Prices start from $295 AUDSave up to $1,170 AUD

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
$295 AUD