Radiant|Lab Grown|IGI

1.03ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG783641131

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

Certificate IGI LG783641131

Diamond specifications and retailer prices

From $255 USD
As of November 1, 2026
Save $1,475 USD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,175 USD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.03ct lab-grown radiant diamond

This 1.03ct 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 LG783641131 or 783641131. Listed at 21 retailers as of October 31, 2026, with a 578% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.7°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783641131
Dimensions6.81 × 4.95 × 3.44 mm
L/W Ratio1.38
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
6.81 mm4.95 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783641131
Side View
Table 66.0%Crown 45.7°Girdle: Slightly ThickPavilion 38.1°Culet: NoneDepth 69.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $2,175 USD|Low: $255 USD|High: $2,670 USD|Avg: $872 USD|-1.8%
Rare Carat
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
November 1, 2026
Retailer 5$255 USD
Retailer 2$291 USD
Retailer 9$368 USD
Retailer 4$479 USD
Retailer 15$485 USD
Retailer 12$500 USD
Retailer 16$516 USD
Retailer 11$523 USD
Retailer 8$560 USD
Retailer 3$577 USD
Retailer 7$809 USD
Retailer 17$910 USD
Retailer 18$960 USD
Retailer 6$1,049 USD
Retailer 14$1,137 USD
Retailer 10$1,433 USD
Retailer 13$1,730 USD
Rare Carat$2,175 USD

34 data points across 18 retailers

21 retailers$255 USD to $1,730 USD

A
Cheapest Retailer
-
$255 USD
Final sale: no returns
Retailer 2
-
$285 USD
View
Price last confirmed 30 days ago
A
Retailer 3
-
$291 USD
£229 GBP
View
Retailer 4
-
$345 USD
View
Price last confirmed 35 days ago
Retailer 5
-
$368 USD
View
Price last confirmed 29 days ago
A
Retailer 6
-
$479 USD
View
A
Retailer 7
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$485 USD
ZAR 7,833 ZAR
View
A
Retailer 8
-
$500 USD
€476 EUR
View
A
Retailer 9
-
$516 USD
View
A
Retailer 10
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$523 USD
£412 GBP
View
A
Retailer 11
-
$577 USD
View
B+
Retailer 12
-
$809 USD
SGD 1,093 SGD
View
Retailer 13
-
$861 USD
View
Price last confirmed 26 days ago
B+
Retailer 14
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$910 USD
View
B+
Retailer 15
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$960 USD
View
B+
Retailer 16
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$1,049 USD
View
B+
Retailer 17
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$1,137 USD
£895 GBP
View
Retailer 18
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$1,184 USD
View
Price last confirmed 31 days ago
Retailer 19
-
$1,433 USD
£1,128 GBP
View
Price last confirmed 27 days ago
B
Retailer 20
-
$1,730 USD
View
Most Expensive
Rare Carat
HL-175626 · Oct 18
$2,175 USD
View
Price last confirmed 13 days ago
20 more retailers have this diamond
Prices start from $255 USDSave up to $1,475 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
1.03ct Radiant
$255 USD