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Round|Lab Grown|IGI

1.29ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG653409257

Shape and cutting style on the report: Round brilliant

Certificate IGI LG653409257

Diamond specifications and retailer prices

From $512 AUD
As of November 4, 2026
Save $938 AUD (65%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,450 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1.29ct lab-grown round diamond

This 1.29ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG653409257 or 653409257. Listed at 7 retailers as of November 4, 2026, with prices from $512 to $1,450, a $938 spread on the same certified stone. MOH London lists it at $1,450. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653409257
Dimensions6.98 × 6.93 × 4.35 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.98 mm6.93 mm1.29 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653409257
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 41.3°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: Nov 4
Current: $1,450 AUD|Low: $476 AUD|High: $1,472 AUD|Avg: $926 AUD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 3$512 AUD
Retailer 2$634 AUD
Retailer 4$643 AUD
Retailer 5$795 AUD
Retailer 6$1,247 AUD
MOH London$1,450 AUD

15 data points across 6 retailers

7 retailers$512 AUD to $1,450 AUD

B+
Cheapest Retailer
-
$512 AUD
A
Retailer 2
-
$634 AUD
View
A
Retailer 3
-
$643 AUD
View
A
Retailer 4
-
$795 AUD
View
Retailer 5
-
$962 AUD
View
Price last confirmed 15 days ago
B+
Retailer 6
-
$1,247 AUD
View
Most Expensive
B+
MOH London
LG653409257 · Nov 5
$1,450 AUD
£801 GBP
View
6 more retailers have this diamond
Prices start from $512 AUDSave up to $938 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
1.29ct Round
$512 AUD