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Round|Lab Grown|IGI

1.51ct I VS1 Round Lab Grown Diamond

EX • I/VS1 • IGI LG555273580

Shape and cutting style on the report: Round brilliant

Certificate IGI LG555273580

Diamond specifications and retailer prices

From $527 AUD
As of November 3, 2026
Save $2,031 AUD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,558 AUD at MOH London · As of November 1, 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 LG555273580 or 555273580. Listed at 16 retailers as of November 1, 2026, with prices from $527 to $2,558, a $2,031 spread on the same certified stone. MOH London lists it at $2,558. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG555273580
Dimensions7.27 × 7.24 × 4.58 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
7.27 mm7.24 mm1.51 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG555273580
Side View
Table 57.5%Crown 36.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.1%

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: $2,558 AUD|Low: $506 AUD|High: $2,589 AUD|Avg: $1,242 AUD|-1.1%
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
November 4, 2026
Retailer 14$527 AUD
Retailer 5$590 AUD
Retailer 3$612 AUD
Retailer 6$654 AUD
Retailer 15$654 AUD
Retailer 11$870 AUD
Retailer 10$919 AUD
Retailer 8$998 AUD
Retailer 17$1,015 AUD
Retailer 2$1,018 AUD
Retailer 16$1,045 AUD
Retailer 12$1,128 AUD
Retailer 13$1,919 AUD
Retailer 4$2,104 AUD
Retailer 9$2,160 AUD
Retailer 7$2,368 AUD
MOH London$2,558 AUD

34 data points across 17 retailers

16 retailers$527 AUD to $2,558 AUD

A
Cheapest Retailer
-
$527 AUD
A
Retailer 2
-
$590 AUD
View
Final sale: no returns
A
Retailer 3
-
$612 AUD
View
A
Retailer 4
-
$654 AUD
View
Retailer 5
-
$654 AUD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$870 AUD
View
A
Retailer 7
-
$919 AUD
View
B+
Retailer 8
-
$998 AUD
View
B+
Retailer 9
-
$1,015 AUD
View
B+
Retailer 10
-
$1,018 AUD
View
B+
Retailer 11
-
$1,045 AUD
View
B+
Retailer 12
-
$1,128 AUD
View
B
Retailer 13
-
$1,919 AUD
View
B
Retailer 14
-
$2,104 AUD
View
B
Retailer 15
-
$2,160 AUD
View
Most Expensive
B
MOH London
LG555273580 · Nov 1
$2,558 AUD
£1,413 GBP
View
15 more retailers have this diamond
Prices start from $527 AUDSave up to $2,031 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
$527 AUD