Radiant|Lab Grown|IGI

1.03ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG816630848

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

Certificate IGI LG816630848

Diamond specifications and retailer prices

From $272 USD
As of October 30, 2026
Save $2,058 USD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,330 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

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 LG816630848 or 816630848. Listed at 19 retailers as of October 30, 2026, with prices from $272 to $2,330, a $2,058 spread on the same certified stone. Do Amore Diamonds lists it at $2,330. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.3°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816630848
Dimensions7.18 × 5.10 × 3.40 mm
L/W Ratio1.41
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
7.18 mm5.10 mm1.03 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816630848
Side View
Table 64.0%Crown 41.3°Girdle: MediumPavilion 36.6°Culet: NoneDepth 66.7%

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: $2,330 USD|Low: $272 USD|High: $2,780 USD|Avg: $927 USD|-16.2%
Do Amore Diamonds
Retailer 2
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Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Retailer 18
October 30, 2026
Retailer 7$272 USD
Retailer 2$343 USD
Retailer 6$372 USD
Retailer 4$403 USD
Retailer 3$452 USD
Retailer 18$524 USD
Retailer 9$545 USD
Retailer 12$571 USD
Retailer 11$637 USD
Retailer 10$739 USD
Retailer 15$971 USD
Retailer 13$1,048 USD
Retailer 16$1,090 USD
Retailer 8$1,237 USD
Retailer 5$1,329 USD
Retailer 14$1,334 USD
Retailer 17$2,165 USD
Do Amore Diamonds$2,330 USD

31 data points across 18 retailers

19 retailers$272 USD to $2,330 USD

A
Cheapest Retailer
-
$272 USD
Final sale: no returns
A
Retailer 2
-
$343 USD
£270 GBP
View
A
Retailer 3
-
$372 USD
View
Retailer 4
-
$400 USD
View
Price last confirmed 33 days ago
A
Retailer 5
-
$403 USD
View
Retailer 6
-
$423 USD
View
Price last confirmed 33 days ago
A
Retailer 7
-
$452 USD
View
Retailer 8
-
$524 USD
€499 EUR
View
Price last confirmed 7 days ago
Retailer 9
-
$545 USD
View
Price last confirmed 13 days ago
A
Retailer 10
-
$571 USD
ZAR 9,226 ZAR
View
B+
Retailer 11
-
$637 USD
£502 GBP
View
B+
Retailer 12
-
$971 USD
View
B+
Retailer 13
-
$1,048 USD
View
B
Retailer 14
-
$1,090 USD
View
B
Retailer 15
-
$1,237 USD
View
B+
Retailer 16
-
$1,329 USD
View
B
Retailer 17
-
$1,334 USD
£1,050 GBP
View
Retailer 18
-
$2,165 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Do Amore Diamonds
27-81EF15924 · Oct 30
$2,330 USD
View
18 more retailers have this diamond
Prices start from $272 USDSave up to $2,058 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
$272 USD