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Radiant|Lab Grown|IGI

1.00ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG605396542

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

Certificate IGI LG605396542

Diamond specifications and retailer prices

From $213 USD
As of October 30, 2026
Save $1,787 USD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,000 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1ct lab-grown radiant diamond

This 1ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG605396542 or 605396542. Listed at 21 retailers as of October 30, 2026, with prices from $213 to $2,000, a $1,787 spread on the same certified stone. Brilliant Earth lists it at $2,000. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605396542
Dimensions6.96 × 4.98 × 3.31 mm
L/W Ratio1.40
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
6.96 mm4.98 mm1.00 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605396542
Side View
Table 64.0%Crown 41.8°Girdle: MediumPavilion 34.3°Culet: NoneDepth 66.5%

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: $2,000 USD|Low: $202 USD|High: $2,360 USD|Avg: $671 USD|-15.3%
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 3$213 USD
Retailer 13$240 USD
Retailer 18$247 USD
Retailer 7$264 USD
Retailer 10$264 USD
Retailer 14$453 USD
Retailer 8$453 USD
Retailer 2$488 USD
Retailer 5$498 USD
Retailer 12$499 USD
Retailer 19$544 USD
Retailer 15$644 USD
Retailer 6$716 USD
Retailer 4$847 USD
Retailer 11$900 USD
Retailer 16$987 USD
Retailer 17$1,058 USD
Retailer 9$1,234 USD
Brilliant Earth$2,000 USD

38 data points across 19 retailers

21 retailers$213 USD to $2,000 USD

A
Cheapest Retailer
-
$213 USD
A
Retailer 2
-
$240 USD
View
Final sale: no returns
A
Retailer 3
-
$247 USD
View
A
Retailer 4
-
$264 USD
View
A
Retailer 5
-
$264 USD
View
A
Retailer 6
-
$453 USD
ZAR 7,313 ZAR
View
A
Retailer 7
-
$453 USD
View
A
Retailer 8
-
$488 USD
£384 GBP
View
A
Retailer 9
-
$498 USD
View
A
Retailer 10
-
$499 USD
€475 EUR
View
A
Retailer 11
-
$544 USD
View
B+
Retailer 12
-
$644 USD
A$991 AUD
View
B+
Retailer 13
-
$716 USD
View
B+
Retailer 14
-
$847 USD
View
B+
Retailer 15
-
$900 USD
View
B+
Retailer 16
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$947 USD
View
B+
Retailer 17
-
$987 USD
A$1,518 AUD
View
B+
Retailer 18
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$1,058 USD
£833 GBP
View
Retailer 19
-
$1,214 USD
View
Price last confirmed 61 days ago
B
Retailer 20
-
$1,234 USD
View
Most Expensive
B
Brilliant Earth
14716708A · Oct 31
$2,000 USD
View
20 more retailers have this diamond
Prices start from $213 USDSave up to $1,787 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
1.00ct Radiant
$213 USD