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Radiant|Lab Grown|IGI

1.01ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG497175915

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

Certificate IGI LG497175915

Diamond specifications and retailer prices

From $378 NZD
$213 USD
As of October 30, 2026
Save $2,049 NZD (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,620 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore 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 LG497175915 or 497175915. Listed at 15 retailers as of October 30, 2026, with a 542% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497175915
Dimensions7.08 × 4.88 × 3.39 mm
L/W Ratio1.45
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
7.08 mm4.88 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497175915
Side View
Table 72.0%Crown 41°Girdle: ThickPavilionCulet: NoneDepth 69.5%

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: $3,620 NZD|Low: $362 NZD|High: $3,620 NZD|Avg: $1,164 NZD
Do Amore Diamonds
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 2, 2026
Retailer 13$378 NZD
Retailer 11$438 NZD
Retailer 12$468 NZD
Retailer 14$468 NZD
Retailer 7$619 NZD
Retailer 5$804 NZD
Retailer 6$885 NZD
Retailer 2$976 NZD
Retailer 3$1,419 NZD
Retailer 10$1,510 NZD
Retailer 4$1,661 NZD
Retailer 9$2,075 NZD
Retailer 8$2,427 NZD
Do Amore Diamonds$3,620 NZD

43 data points across 14 retailers

15 retailers$378 NZD to $2,427 NZD

A
Cheapest Retailer
-
$378 NZD
$213 USD
A
Retailer 2
-
$438 NZD
$247 USD
View
A
Retailer 3
-
$467 NZD
$263 USD
View
Retailer 4
-
$468 NZD
$264 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$468 NZD
$264 USD
View
A
Retailer 6
-
$619 NZD
£274 GBP
View
B+
Retailer 7
-
$804 NZD
$453 USD
View
B+
Retailer 8
-
$885 NZD
$499 USD
View
B+
Retailer 9
-
$976 NZD
£433 GBP
View
B
Retailer 10
-
$1,419 NZD
$800 USD
View
B
Retailer 11
-
$1,510 NZD
$851 USD
View
B
Retailer 12
-
$1,661 NZD
$936 USD
View
Retailer 13
-
$2,075 NZD
£921 GBP
View
Price last confirmed 7 days ago
B
Retailer 14
-
$2,427 NZD
CA$1,900 CAD
View
Most Expensive
Do Amore Diamonds
27-2F8BC8A6E · Oct 31
$3,620 NZD
$2,040 USD
View
Price under review
14 more retailers have this diamond
Prices start from $378 NZDSave up to $2,049 NZD

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
$378 NZD