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Round|Lab Grown|IGI

1.51ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG555273964

Shape and cutting style on the report: Round brilliant

Certificate IGI LG555273964

Diamond specifications and retailer prices

From $512 AUD
As of November 3, 2026
Save $1,965 AUD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,477 AUD at MOH London · As of November 3, 2026
View at MOH London

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG555273964 or 555273964. Listed at 16 retailers as of November 3, 2026, with prices from $512 to $2,477, a $1,965 spread on the same certified stone. MOH London lists it at $2,477. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG555273964
Dimensions7.40 × 7.37 × 4.52 mm
L/W Ratio1.00
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
7.40 mm7.37 mm1.51 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG555273964
Side View
Table 56.5%Crown 32.8°Girdle: MediumPavilion 41°Culet: NoneDepth 61.1%

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: $2,477 AUD|Low: $512 AUD|High: $2,506 AUD|Avg: $1,195 AUD
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
November 3, 2026
Retailer 10$512 AUD
Retailer 13$570 AUD
Retailer 11$634 AUD
Retailer 4$693 AUD
Retailer 7$848 AUD
Retailer 3$992 AUD
Retailer 12$996 AUD
Retailer 9$1,016 AUD
Retailer 2$1,092 AUD
Retailer 6$1,126 AUD
Retailer 8$1,859 AUD
Retailer 5$2,094 AUD
MOH London$2,477 AUD

28 data points across 13 retailers

16 retailers$512 AUD to $2,477 AUD

A
Cheapest Retailer
-
$512 AUD
A
Retailer 2
-
$570 AUD
View
Final sale: no returns
A
Retailer 3
-
$593 AUD
View
A
Retailer 4
-
$634 AUD
View
Retailer 5
-
$634 AUD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$693 AUD
View
A
Retailer 7
-
$848 AUD
View
B+
Retailer 8
-
$992 AUD
View
B+
Retailer 9
-
$996 AUD
View
B+
Retailer 10
-
$1,016 AUD
View
B+
Retailer 11
-
$1,092 AUD
View
B+
Retailer 12
-
$1,126 AUD
View
B
Retailer 13
-
$1,859 AUD
View
B
Retailer 14
-
$2,037 AUD
View
B
Retailer 15
-
$2,094 AUD
View
Most Expensive
B
MOH London
LG555273964 · Nov 3
$2,477 AUD
£1,368 GBP
View
15 more retailers have this diamond
Prices start from $512 AUDSave up to $1,965 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
1.51ct Round
$512 AUD