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Round|Lab Grown|IGI

1.21ct J VS1 Round Lab Grown Diamond

EX • J/VS1 • IGI LG480171498

Shape and cutting style on the report: Round brilliant

Certificate IGI LG480171498

Diamond specifications and retailer prices

From $982 AUD
$690 USD
As of October 30, 2026
Save $5,765 AUD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,747 AUD at MOH London · As of October 27, 2026
View at MOH London

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG480171498 or 480171498. Listed at 12 retailers as of October 27, 2026, with prices from $982 to $6,747, a $5,765 spread on the same certified stone. MOH London lists it at $6,747. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG480171498
Dimensions6.97 × 6.93 × 4.16 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
6.97 mm6.93 mm1.21 ctJ / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG480171498
Side View
Table 55.0%Crown 31.5°Girdle: MediumPavilion 40.5°Culet: NoneDepth 59.9%

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: Oct 30
Current: $6,747 AUD|Low: $982 AUD|High: $6,829 AUD|Avg: $3,364 AUD|+0.1%
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
October 30, 2026
Retailer 2$982 AUD
Retailer 7$1,808 AUD
Retailer 11$2,024 AUD
Retailer 8$2,097 AUD
Retailer 10$2,097 AUD
Retailer 12$2,342 AUD
Retailer 13$2,883 AUD
Retailer 9$3,321 AUD
Retailer 6$3,856 AUD
Retailer 3$3,909 AUD
Retailer 5$4,694 AUD
Retailer 4$6,006 AUD
MOH London$6,747 AUD

21 data points across 13 retailers

12 retailers$982 AUD to $6,747 AUD

A
Cheapest Retailer
-
$982 AUD
$690 USD
B+
Retailer 2
-
$1,808 AUD
$1,270 USD
View
B+
Retailer 3
-
$1,967 AUD
$1,382 USD
View
B+
Retailer 4
-
$2,024 AUD
$1,422 USD
View
Final sale: no returns
Retailer 5
-
$2,097 AUD
$1,473 USD
View
Price last confirmed 19 days ago
B
Retailer 6
-
$2,097 AUD
$1,473 USD
View
B+
Retailer 7
-
$2,342 AUD
$1,645 USD
View
B
Retailer 8
-
$3,321 AUD
$2,333 USD
View
B
Retailer 9
-
$3,856 AUD
ZAR 43,754 ZAR
View
B
Retailer 10
-
$3,909 AUD
$2,746 USD
View
B
Retailer 11
-
$3,932 AUD
$2,762 USD
View
Most Expensive
B
MOH London
LG480171498 · Oct 27
$6,747 AUD
£3,732 GBP
View
11 more retailers have this diamond
Prices start from $982 AUDSave up to $5,765 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
1.21ct Round
$982 AUD