Round|Lab Grown|IGI

1.51ct I VS1 Round Lab Grown Diamond

EX • I/VS1 • IGI LG557211894

Shape and cutting style on the report: Round brilliant

Certificate IGI LG557211894

Diamond specifications and retailer prices

From $512 AUD
As of November 3, 2026
Save $1,582 AUD (76%) vs most expensive(unlock to see where)
40 retailers carry this diamond
Most expensive: $2,489 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG557211894 or 557211894. Listed at 40 retailers as of November 3, 2026, with a 309% 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG557211894
Dimensions7.42 × 7.40 × 4.49 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
7.42 mm7.40 mm1.51 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG557211894
Side View
Table 60.0%Crown 33°GirdlePavilion 41.3°Culet: NoneDepth 60.6%

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: $2,489 AUD|Low: $570 AUD|High: $2,506 AUD|Avg: $1,175 AUD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 4, 2026
Retailer 5$570 AUD
Retailer 10$634 AUD
Retailer 2$848 AUD
Retailer 4$985 AUD
Retailer 11$992 AUD
Retailer 3$996 AUD
Retailer 9$1,016 AUD
Retailer 7$1,092 AUD
Retailer 8$1,212 AUD
Retailer 6$1,859 AUD
MOH London$2,489 AUD

34 data points across 11 retailers

40 retailers$512 AUD to $2,094 AUD

Retailer 1
-
$490 AUD
Price last confirmed 32 days ago
Retailer 2
-
$490 AUD
View
Price last confirmed 29 days ago
Retailer 3
-
$512 AUD
View
Price last confirmed 26 days ago
A
Retailer 4
-
$512 AUD
View
A
Retailer 5
-
$512 AUD
View
Retailer 6
-
$512 AUD
View
Price last confirmed 10 days ago
Retailer 7
-
$512 AUD
View
Price last confirmed 18 days ago
Retailer 8
-
$512 AUD
View
Price last confirmed 24 days ago
A
Retailer 9
-
$570 AUD
View
Final sale: no returns
Retailer 10
-
$593 AUD
View
Price last confirmed 16 days ago
Retailer 11
-
$593 AUD
View
Price last confirmed 30 days ago
Retailer 12
-
$593 AUD
View
Price last confirmed 34 days ago
Retailer 13
-
$593 AUD
View
Price last confirmed 27 days ago
Retailer 14
-
$634 AUD
View
Price last confirmed 13 days ago
Retailer 15
-
$634 AUD
View
Price last confirmed 22 days ago
Retailer 16
-
$634 AUD
View
Price last confirmed 15 days ago
Retailer 17
-
$634 AUD
View
Price last confirmed 26 days ago
Retailer 18
-
$634 AUD
View
Price last confirmed 34 days ago
Retailer 19
-
$634 AUD
View
Price last confirmed 29 days ago
A
Retailer 20
-
$634 AUD
View
Retailer 21
-
$634 AUD
View
Price last confirmed 24 days ago
Retailer 22
-
$634 AUD
View
Price last confirmed 24 days ago
A
Retailer 23
-
$693 AUD
View
A
Retailer 24
-
$848 AUD
View
B+
Retailer 25
-
$985 AUD
View
B+
Retailer 26
-
$992 AUD
View
B+
Retailer 27
-
$996 AUD
View
B+
Retailer 28
-
$1,016 AUD
View
B+
Retailer 29
-
$1,092 AUD
View
B+
Retailer 30
-
$1,212 AUD
View
B
Retailer 31
-
$1,859 AUD
View
B
Retailer 32
-
$2,037 AUD
View
Retailer 33
-
$2,037 AUD
View
Price last confirmed 45 days ago
Retailer 34
-
$2,037 AUD
View
Price last confirmed 29 days ago
Retailer 35
-
$2,037 AUD
View
Price last confirmed 15 days ago
Retailer 36
-
$2,037 AUD
View
Price last confirmed 9 days ago
Retailer 37
-
$2,037 AUD
View
Price last confirmed 32 days ago
B
Retailer 38
-
$2,037 AUD
View
B
Retailer 39
-
$2,094 AUD
View
Most Expensive
MOH London
LG557211894 · Oct 21
$2,489 AUD
£1,375 GBP
View
Price last confirmed 14 days ago
39 more retailers have this diamond
Prices start from $512 AUDSave up to $1,582 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