CaratHunter
Plans
Round|Lab Grown|IGI

1.51ct I VS2 Round Lab Grown Diamond

ID • I/VS2 • IGI LG555202317

Shape and cutting style on the report: Round brilliant

Certificate IGI LG555202317

Diamond specifications and retailer prices

From $527 AUD
$370 USD
As of November 1, 2026
Save $1,573 AUD (75%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,566 AUD at MOH London · As of October 21, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG555202317 or 555202317. Listed at 14 retailers as of October 31, 2026, with a 299% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG555202317
Dimensions7.40 × 7.34 × 4.50 mm
L/W Ratio1.01
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 mm7.34 mm1.51 ctI / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG555202317
Side View
Table 59.0%Crown 35.7°Girdle: MediumPavilion 40.7°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 1
Current: $2,566 AUD|Low: $421 AUD|High: $2,582 AUD|Avg: $1,291 AUD|+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
October 28, 2026
Retailer 7$527 AUD
Retailer 10$589 AUD
Retailer 8$653 AUD
Retailer 2$868 AUD
Retailer 5$961 AUD
Retailer 11$1,014 AUD
Retailer 9$1,043 AUD
Retailer 12$1,100 AUD
Retailer 4$1,367 AUD
Retailer 6$1,915 AUD
Retailer 3$2,155 AUD
MOH London$2,566 AUD

18 data points across 12 retailers

14 retailers$527 AUD to $2,100 AUD

A
Cheapest Retailer
-
$527 AUD
$370 USD
A
Retailer 2
-
$589 AUD
$414 USD
View
Final sale: no returns
A
Retailer 3
-
$611 AUD
$429 USD
View
A
Retailer 4
-
$653 AUD
$459 USD
View
Retailer 5
-
$653 AUD
$459 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$868 AUD
$610 USD
View
Retailer 7
-
$961 AUD
$675 USD
View
Price last confirmed 15 days ago
B+
Retailer 8
-
$1,014 AUD
$712 USD
View
B+
Retailer 9
-
$1,043 AUD
$733 USD
View
B+
Retailer 10
-
$1,100 AUD
$773 USD
View
B
Retailer 11
-
$1,915 AUD
$1,345 USD
View
B
Retailer 12
-
$2,100 AUD
$1,475 USD
View
Retailer 13
-
$2,155 AUD
$1,514 USD
View
Price last confirmed 14 days ago
Most Expensive
MOH London
LG555202317 · Oct 21
$2,566 AUD
£1,419 GBP
View
Price last confirmed 12 days ago
13 more retailers have this diamond
Prices start from $527 AUDSave up to $1,573 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