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Radiant|Lab Grown|IGI

1.01ct K SI1 Radiant Lab Grown Diamond

ID • K/SI1 • IGI LG380970591

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

Certificate IGI LG380970591

Diamond specifications and retailer prices

From $573 AUD
As of November 6, 2026
Save $1,712 AUD (75%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,285 AUD at NZ Jewellers · As of November 6, 2026
View at NZ Jewellers

About this 1.01ct lab-grown radiant diamond

This 1.01ct lab-grown radiant sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG380970591 or 380970591. Listed at 6 retailers as of November 6, 2026, with prices from $573 to $2,285, a $1,712 spread on the same certified stone. NZ Jewellers lists it at $2,285. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG380970591
Dimensions6.69 × 4.94 × 3.35 mm
L/W Ratio1.35
Culet sizePointed
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa.
Top View
6.69 mm4.94 mm1.01 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG380970591
Side View
Table 66.5%CrownGirdlePavilionCulet: NoneDepth

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: Nov 6
Current: $2,285 AUD|Low: $550 AUD|High: $2,285 AUD|Avg: $1,123 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 8, 2026
Retailer 2$573 AUD
Retailer 5$642 AUD
Retailer 3$710 AUD
Retailer 6$710 AUD
Retailer 4$1,128 AUD
Retailer 7$1,905 AUD
NZ Jewellers$2,285 AUD

7 data points across 7 retailers

6 retailers$573 AUD to $2,285 AUD

A
Cheapest Retailer
-
$573 AUD
A
Retailer 2
-
$642 AUD
View
B+
Retailer 3
-
$710 AUD
View
Retailer 4
-
$710 AUD
View
Price last confirmed 13 days ago
B+
Retailer 5
-
$1,128 AUD
View
Most Expensive
B
NZ Jewellers
dd3885bc-5ce7-4690-9e9a-92e743a80347 · Nov 6
$2,285 AUD
$1,570 USD
View
5 more retailers have this diamond
Prices start from $573 AUDSave up to $1,712 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
1.01ct Radiant
$573 AUD