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Radiant|Lab Grown|IGI

1.00ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG790611874

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

Certificate IGI LG790611874

Diamond specifications and retailer prices

From $306 USD
As of October 30, 2026
Save $2,414 USD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,720 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1ct lab-grown radiant diamond

This 1ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790611874 or 790611874. Listed at 21 retailers as of October 30, 2026, with prices from $306 to $2,720, a $2,414 spread on the same certified stone. Do Amore Diamonds lists it at $2,720. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611874
Dimensions7.20 × 4.92 × 3.24 mm
L/W Ratio1.46
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
7.20 mm4.92 mm1.00 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611874
Side View
Table 65.0%Crown 45.1°Girdle: Slightly ThickPavilion 33.9°Culet: NoneDepth 65.9%

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: $752 USD|Low: $294 USD|High: $2,140 USD|Avg: $876 USD|+3.2%
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
Retailer 16
November 1, 2026
Retailer 14$306 USD
Retailer 8$343 USD
Retailer 3$355 USD
Retailer 4$380 USD
Retailer 15$380 USD
Retailer 11$535 USD
Retailer 7$618 USD
Retailer 2$619 USD
Retailer 10$721 USD
Retailer 1$752 USD
Retailer 13$1,167 USD
Retailer 5$1,289 USD
Retailer 16$1,348 USD
Retailer 6$1,631 USD
Retailer 9$1,690 USD
Retailer 12$2,100 USD

43 data points across 16 retailers

21 retailers$306 USD to $2,720 USD

A
Cheapest Retailer
-
$306 USD
A
Retailer 2
-
$343 USD
View
Final sale: no returns
A
Retailer 3
-
$355 USD
View
Retailer 4
-
$380 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$380 USD
View
A
Retailer 6
-
$444 USD
View
B+
Retailer 7
-
$535 USD
View
A
Retailer 8
-
$538 USD
HK$4,200 HKD
View
B+
Retailer 9
-
$618 USD
View
B+
Retailer 10
-
$619 USD
View
B+
Retailer 11
-
$721 USD
ZAR 11,644 ZAR
View
B+
Retailer 12
-
$752 USD
£592 GBP
View
B
Retailer 13
-
$1,167 USD
View
B
Retailer 14
-
$1,289 USD
SGD 1,742 SGD
View
B
Retailer 15
-
$1,348 USD
View
B
Retailer 16
-
$1,508 USD
View
B
Retailer 17
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$1,529 USD
View
B
Retailer 18
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$1,631 USD
£1,284 GBP
View
B
Retailer 19
-
$1,690 USD
£1,331 GBP
View
B
Retailer 20
-
$2,100 USD
View
Most Expensive
B
Do Amore Diamonds
27-5ABEF8CC6 · Oct 31
$2,720 USD
View
20 more retailers have this diamond
Prices start from $306 USDSave up to $2,414 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
$306 USD