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Radiant|Lab Grown|IGI

1.35ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • IGI LG512227952

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

Certificate IGI LG512227952

Diamond specifications and retailer prices

From $1,060 AUD
As of November 2, 2026
Save $2,082 AUD (66%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,842 AUD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 1.35ct lab-grown radiant diamond

This 1.35ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG512227952 or 512227952. Listed at 12 retailers as of November 2, 2026, with a 196% 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

1.35
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512227952
Dimensions7.85 × 5.60 × 3.73 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
7.85 mm5.60 mm1.35 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512227952
Side View
Table 67.0%Crown 38.9°Girdle: STK-THKPavilion 35.4°Culet: NoneDepth 66.6%

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: $3,842 AUD|Low: $1,060 AUD|High: $5,189 AUD|Avg: $2,433 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
November 2, 2026
Retailer 6$1,060 AUD
Retailer 8$1,178 AUD
Retailer 11$1,282 AUD
Retailer 9$1,366 AUD
Retailer 3$1,618 AUD
Retailer 4$2,113 AUD
Retailer 10$2,201 AUD
Retailer 2$2,510 AUD
Retailer 7$3,142 AUD
Retailer 12$3,774 AUD
NZ Jewellers$3,842 AUD
Retailer 5$5,122 AUD

22 data points across 12 retailers

12 retailers$1,060 AUD to $3,142 AUD

B+
Cheapest Retailer
-
$1,060 AUD
B+
Retailer 2
-
$1,178 AUD
View
B+
Retailer 3
-
$1,282 AUD
View
B
Retailer 4
-
$1,366 AUD
View
Retailer 5
-
$1,366 AUD
View
Price last confirmed 18 days ago
B
Retailer 6
-
$1,618 AUD
View
B
Retailer 7
-
$2,201 AUD
View
B
Retailer 8
-
$2,510 AUD
View
B
Retailer 9
-
$3,142 AUD
View
Retailer 10
-
$3,774 AUD
View
Price under review
Most Expensive
NZ Jewellers
ce9dd9ed-d43a-4a9b-912a-746081bcdc76 · Nov 4
$3,842 AUD
$2,683 USD
View
Price under review
10 more retailers have this diamond
Prices start from $1,060 AUDSave up to $2,082 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+
1.35ct Radiant
$1,060 AUD