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 $208 USD
As of October 30, 2026
Save $1,532 USD (88%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,740 USD at Do Amore Diamonds · As of October 31, 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 October 30, 2026, with prices from $208 to $1,740, a $1,532 spread on the same certified stone. Do Amore Diamonds lists it at $1,740. 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
Color
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: Oct 30
Current: $1,740 USD|Low: $199 USD|High: $1,740 USD|Avg: $817 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 25, 2026
Retailer 4$208 USD
Retailer 6$241 USD
Retailer 7$495 USD
Retailer 8$546 USD
Retailer 3$575 USD
Retailer 5$914 USD
Retailer 9$1,098 USD
Retailer 2$1,142 USD
Do Amore Diamonds$1,740 USD

11 data points across 9 retailers

7 retailers$208 USD to $1,740 USD

A
Cheapest Retailer
-
$208 USD
B+
Retailer 2
-
$241 USD
View
B
Retailer 3
-
$495 USD
View
Retailer 4
-
$575 USD
View
Price last confirmed 10 days ago
B
Retailer 5
-
$914 USD
View
B
Retailer 6
-
$1,142 USD
£899 GBP
View
Most Expensive
C
Do Amore Diamonds
7-1744271 · Oct 31
$1,740 USD
View
6 more retailers have this diamond
Prices start from $208 USDSave up to $1,532 USD

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
$208 USD