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Radiant|Lab Grown|IGI

1.05ct D SI1 Radiant Lab Grown Diamond

GD • D/SI1 • IGI LG760575772

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

Certificate IGI LG760575772

Diamond specifications and retailer prices

From $370 NZD
$208 USD
As of November 2, 2026
Save $2,723 NZD (88%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,093 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.05ct lab-grown radiant diamond

This 1.05ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG760575772 or 760575772. Listed at 7 retailers as of November 2, 2026, with prices from $370 to $3,093, a $2,723 spread on the same certified stone. Do Amore Diamonds lists it at $3,093. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.05
Carat
D
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG760575772
Dimensions7.29 × 4.98 × 3.42 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.29 mm4.98 mm1.05 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG760575772
Side View
Table 65.0%Crown 43.4°Girdle: MediumPavilion 38.8°Culet: NoneDepth 68.7%

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 2
Current: $3,093 NZD|Low: $354 NZD|High: $3,093 NZD|Avg: $1,444 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 4$370 NZD
Retailer 6$428 NZD
Retailer 7$880 NZD
Retailer 8$970 NZD
Retailer 3$1,022 NZD
Retailer 5$1,624 NZD
Retailer 9$1,952 NZD
Retailer 2$2,025 NZD
Do Amore Diamonds$3,093 NZD

12 data points across 9 retailers

7 retailers$370 NZD to $3,093 NZD

A
Cheapest Retailer
-
$370 NZD
$208 USD
B+
Retailer 2
-
$428 NZD
$241 USD
View
B
Retailer 3
-
$880 NZD
$495 USD
View
B+
Retailer 4
-
$1,022 NZD
$575 USD
View
B
Retailer 5
-
$1,624 NZD
$914 USD
View
B
Retailer 6
-
$2,025 NZD
£897 GBP
View
Most Expensive
C
Do Amore Diamonds
7-1744271 · Nov 2
$3,093 NZD
$1,740 USD
View
6 more retailers have this diamond
Prices start from $370 NZDSave up to $2,723 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
1.05ct Radiant
$370 NZD