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Radiant|Lab Grown|IGI

1.01ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG654450368

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

Certificate IGI LG654450368

Diamond specifications and retailer prices

From $225 NZD
$127 USD
As of November 2, 2026
Save $804 NZD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,029 NZD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

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 LG654450368 or 654450368. Listed at 14 retailers as of October 31, 2026, with prices from $225 to $1,029, a $804 spread on the same certified stone. Diamond Quarter lists it at $1,029. 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 angle45.3°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG654450368
Dimensions7.27 × 4.86 × 3.31 mm
L/W Ratio1.50
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.27 mm4.86 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG654450368
Side View
Table 63.0%Crown 45.3°Girdle: MediumPavilion 35.3°Culet: NoneDepth 68.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $333 NZD|Low: $225 NZD|High: $1,703 NZD|Avg: $638 NZD|-0.6%
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
Retailer 15
November 2, 2026
Retailer 10$225 NZD
Retailer 4$261 NZD
Retailer 11$279 NZD
Retailer 3$318 NZD
Retailer 1$333 NZD
Retailer 8$464 NZD
Retailer 9$499 NZD
Retailer 2$529 NZD
Retailer 15$531 NZD
Retailer 14$555 NZD
Retailer 12$717 NZD
Retailer 13$896 NZD
Retailer 6$1,018 NZD
Retailer 5$1,094 NZD
Retailer 7$1,703 NZD

6 data points across 15 retailers

14 retailers$225 NZD to $1,029 NZD

A
Cheapest Retailer
-
$225 NZD
$127 USD
A
Retailer 2
-
$261 NZD
$147 USD
View
A
Retailer 3
-
$279 NZD
$157 USD
View
A
Retailer 4
-
$318 NZD
HK$1,400 HKD
View
A
Retailer 5
-
$333 NZD
£148 GBP
View
A
Retailer 6
-
$464 NZD
£206 GBP
View
A
Retailer 7
-
$499 NZD
€268 EUR
View
A
Retailer 8
-
$529 NZD
£235 GBP
View
B+
Retailer 9
-
$531 NZD
$299 USD
View
A
Retailer 10
-
$555 NZD
$313 USD
View
B+
Retailer 11
-
$717 NZD
$404 USD
View
B+
Retailer 12
-
$896 NZD
$505 USD
View
B
Retailer 13
-
$1,020 NZD
$575 USD
View
Most Expensive
B
Diamond Quarter
1.01SI1DLG68BFEEN · Oct 31
$1,029 NZD
£457 GBP
View
13 more retailers have this diamond
Prices start from $225 NZDSave up to $804 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
$225 NZD