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Radiant|Lab Grown|IGI

1.01ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG519237667

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

Certificate IGI LG519237667

Diamond specifications and retailer prices

From $231 AUD
$162 USD
As of October 30, 2026
Save $1,297 AUD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,528 AUD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.01ct lab-grown radiant diamond

This 1.01ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG519237667 or 519237667. Listed at 19 retailers as of October 30, 2026, with prices from $231 to $1,528, a $1,297 spread on the same certified stone. Reve Diamonds lists it at $1,528. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.4°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG519237667
Dimensions6.75 × 4.94 × 3.40 mm
L/W Ratio1.37
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.75 mm4.94 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG519237667
Side View
Table 67.5%Crown 46.4°Girdle: MED-STKPavilion 32.6°Culet: NoneDepth 68.8%

Caratlytics Score

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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: Oct 30
Current: $506 AUD|Low: $222 AUD|High: $1,354 AUD|Avg: $574 AUD|+4.6%
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 11$231 AUD
Retailer 8$258 AUD
Retailer 4$268 AUD
Retailer 5$286 AUD
Retailer 14$286 AUD
Retailer 12$387 AUD
Retailer 1$506 AUD
Retailer 7$535 AUD
Retailer 2$561 AUD
Retailer 6$631 AUD
Retailer 10$750 AUD
Retailer 3$921 AUD
Retailer 13$1,082 AUD
Retailer 9$1,347 AUD

44 data points across 14 retailers

19 retailers$231 AUD to $1,528 AUD

A
Cheapest Retailer
-
$231 AUD
$162 USD
A
Retailer 2
-
$258 AUD
$181 USD
View
Final sale: no returns
A
Retailer 3
-
$268 AUD
$188 USD
View
A
Retailer 4
-
$286 AUD
$201 USD
View
A
Retailer 5
-
$286 AUD
$201 USD
View
A
Retailer 6
-
$328 AUD
HK$1,800 HKD
View
B+
Retailer 7
-
$387 AUD
$272 USD
View
A
Retailer 8
-
$463 AUD
$325 USD
View
A
Retailer 9
-
$506 AUD
£280 GBP
View
B+
Retailer 10
-
$535 AUD
€358 EUR
View
Retailer 11
-
$561 AUD
£311 GBP
View
Price last confirmed 27 days ago
B+
Retailer 12
-
$631 AUD
$443 USD
View
B+
Retailer 13
-
$750 AUD
$527 USD
View
B
Retailer 14
-
$881 AUD
£487 GBP
View
B
Retailer 15
-
$921 AUD
$647 USD
View
B
Retailer 16
-
$999 AUD
$702 USD
View
B
Retailer 17
-
$1,082 AUD
$760 USD
View
B
Retailer 18
-
$1,347 AUD
£745 GBP
View
Most Expensive
B
Reve Diamonds
730792602 · Oct 30
$1,528 AUD
$1,073 USD
View
18 more retailers have this diamond
Prices start from $231 AUDSave up to $1,297 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
$231 AUD