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Radiant|Lab Grown|IGI

1.15ct G VS2 Radiant Lab Grown Diamond

ID • G/VS2 • IGI LG512227225

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG512227225

Diamond specifications and retailer prices

From $1,226 AUD
$861 USD
As of October 30, 2026
Save $1,061 AUD (46%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,999 AUD at NZ Jewellers · As of November 1, 2026
View at NZ Jewellers

About this 1.15ct lab-grown radiant diamond

This 1.15ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG512227225 or 512227225. Listed at 12 retailers as of October 30, 2026, with a 87% 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

1.15
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.3°
Pavilion angle29.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512227225
Dimensions7.23 × 5.16 × 3.35 mm
L/W Ratio1.40
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
7.23 mm5.16 mm1.15 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512227225
Side View
Table 68.0%Crown 47.3°Girdle: STK-THKPavilion 29.2°Culet: NoneDepth 64.9%

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: Oct 30
Current: $3,999 AUD|Low: $1,177 AUD|High: $5,402 AUD|Avg: $2,519 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 7$1,226 AUD
Retailer 4$1,267 AUD
Retailer 10$1,334 AUD
Retailer 8$1,422 AUD
Retailer 3$1,673 AUD
Retailer 2$2,168 AUD
Retailer 9$2,286 AUD
Retailer 6$3,269 AUD
Retailer 11$3,927 AUD
NZ Jewellers$3,999 AUD
Retailer 5$5,359 AUD

43 data points across 11 retailers

12 retailers$1,226 AUD to $2,286 AUD

B+
Cheapest Retailer
-
$1,226 AUD
$861 USD
B
Retailer 2
-
$1,267 AUD
$890 USD
View
B
Retailer 3
-
$1,334 AUD
$937 USD
View
Retailer 4
-
$1,422 AUD
$999 USD
View
Price last confirmed 15 days ago
B
Retailer 5
-
$1,422 AUD
$999 USD
View
B
Retailer 6
-
$1,673 AUD
$1,175 USD
View
B
Retailer 7
-
$2,168 AUD
£1,199 GBP
View
B
Retailer 8
-
$2,286 AUD
$1,606 USD
View
Retailer 9
-
$3,269 AUD
$2,296 USD
View
Price under review
Retailer 10
-
$3,927 AUD
£2,172 GBP
View
Price under review
Most Expensive
NZ Jewellers
4dd09a3b-a362-44d0-a6a0-5f221a23d40b · Nov 1
$3,999 AUD
$2,809 USD
View
Price under review
10 more retailers have this diamond
Prices start from $1,226 AUDSave up to $1,061 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+
1.15ct Radiant
$1,226 AUD