Round|Lab Grown|IGI

1.20ct I VS2 Round Lab Grown Diamond

ID • I/VS2 • IGI LG492123251

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492123251

Diamond specifications and retailer prices

From $988 AUD
$690 USD
As of November 2, 2026
Save $1,711 AUD (63%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,599 AUD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG492123251 or 492123251. Listed at 12 retailers as of November 2, 2026, with a 173% 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

1.20
Carat
I
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492123251
Dimensions6.91 × 6.89 × 4.17 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
6.91 mm6.89 mm1.20 ctI / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492123251
Side View
Table 59.0%Crown 32.9°Girdle: MediumPavilion 41.2°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $7,007 AUD|Low: $988 AUD|High: $7,101 AUD|Avg: $3,573 AUD
Retailer 1
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
November 1, 2026
Retailer 7$988 AUD
Retailer 9$2,115 AUD
Retailer 13$2,368 AUD
Retailer 10$2,453 AUD
Retailer 12$2,453 AUD
Retailer 14$2,699 AUD
Retailer 4$2,710 AUD
Retailer 2$3,308 AUD
Retailer 11$3,869 AUD
Retailer 8$4,132 AUD
Retailer 3$4,453 AUD
Retailer 5$4,975 AUD
Retailer 6$5,490 AUD
Retailer 1$7,007 AUD

20 data points across 14 retailers

12 retailers$988 AUD to $2,699 AUD

B+
Cheapest Retailer
-
$988 AUD
$690 USD
B
Retailer 2
-
$2,115 AUD
$1,477 USD
View
B
Retailer 3
-
$2,301 AUD
$1,607 USD
View
B
Retailer 4
-
$2,368 AUD
$1,654 USD
View
Final sale: no returns
B
Retailer 5
-
$2,453 AUD
$1,713 USD
View
Retailer 6
-
$2,453 AUD
$1,713 USD
View
Price last confirmed 21 days ago
B
Retailer 7
-
$2,699 AUD
$1,885 USD
View
Retailer 8
-
$3,869 AUD
$2,702 USD
View
Price under review
Retailer 9
-
$4,132 AUD
€2,748 EUR
View
Price under review
Retailer 10
-
$4,453 AUD
$3,110 USD
View
Price under review
Most Expensive
NZ Jewellers
83d27848-2b21-41ff-bcf2-1981091fa5b8 · Nov 3
$4,599 AUD
$3,212 USD
View
Price under review
10 more retailers have this diamond
Prices start from $988 AUDSave up to $1,711 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.

B+
1.20ct Round
$988 AUD