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Round|Lab Grown|IGI

1.20ct I VS2 Round Lab Grown Diamond

EX • I/VS2 • IGI LG440013278

Shape and cutting style on the report: Round brilliant

Certificate IGI LG440013278

Diamond specifications and retailer prices

From $974 AUD
$680 USD
As of November 2, 2026
Save $1,725 AUD (64%) vs most expensive(unlock to see where)
14 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 LG440013278 or 440013278. Listed at 14 retailers as of November 2, 2026, with a 177% 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440013278
Dimensions6.76 × 6.73 × 4.23 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
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
6.76 mm6.73 mm1.20 ctI / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440013278
Side View
Table 58.5%Crown 35.6°Girdle: ThickPavilion 41°Culet: NoneDepth 62.7%

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: $4,599 AUD|Low: $974 AUD|High: $7,101 AUD|Avg: $3,743 AUD
NZ Jewellers
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
November 2, 2026
Retailer 10$974 AUD
Retailer 12$2,115 AUD
Retailer 3$2,301 AUD
Retailer 16$2,368 AUD
Retailer 13$2,453 AUD
Retailer 15$2,453 AUD
Retailer 5$2,699 AUD
Retailer 6$3,308 AUD
Retailer 14$3,869 AUD
Retailer 2$3,941 AUD
Retailer 11$4,132 AUD
Retailer 7$4,453 AUD
NZ Jewellers$4,599 AUD
Retailer 4$5,914 AUD
Retailer 9$7,007 AUD
Retailer 8$7,023 AUD

29 data points across 16 retailers

14 retailers$974 AUD to $2,699 AUD

B+
Cheapest Retailer
-
$974 AUD
$680 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
-
$3,941 AUD
£2,167 GBP
View
Price under review
Retailer 10
-
$4,132 AUD
€2,748 EUR
View
Price under review
Retailer 11
-
$4,453 AUD
$3,110 USD
View
Price under review
Most Expensive
NZ Jewellers
c255df6d-7825-4b81-b94b-f9bea2518761 · Nov 3
$4,599 AUD
$3,212 USD
View
Price under review
11 more retailers have this diamond
Prices start from $974 AUDSave up to $1,725 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
$974 AUD