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Radiant|Lab Grown|IGI

1.03ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG816623945

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

Certificate IGI LG816623945

Diamond specifications and retailer prices

From €289 EUR
$323 USD
As of October 30, 2026
Save €2,110 EUR (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €2,399 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG816623945 or 816623945. Listed at 19 retailers as of October 30, 2026, with prices from €289 to €2,399, a €2,110 spread on the same certified stone. Brilliant Earth lists it at €2,399. 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 angle40.7°
Pavilion angle27.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816623945
Dimensions7.10 × 5.16 × 3.14 mm
L/W Ratio1.38
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
7.10 mm5.16 mm1.03 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816623945
Side View
Table 63.0%Crown 40.7°Girdle: STK-THKPavilion 27.6°Culet: NoneDepth 60.9%

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: €2,399 EUR|Low: €278 EUR|High: €2,399 EUR|Avg: €799 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 10€289 EUR
Retailer 4€323 EUR
Retailer 11€359 EUR
Retailer 8€497 EUR
Retailer 2€573 EUR
Retailer 12€583 EUR
Retailer 7€617 EUR
Retailer 5€641 EUR
Retailer 6€876 EUR
Retailer 3€1,391 EUR
Retailer 9€1,440 EUR
Brilliant Earth€2,399 EUR

43 data points across 12 retailers

19 retailers€289 EUR to €2,399 EUR

A
Cheapest Retailer
-
€289 EUR
$323 USD
A
Retailer 2
-
€323 EUR
$361 USD
View
Final sale: no returns
A
Retailer 3
-
€336 EUR
$375 USD
View
A
Retailer 4
-
€359 EUR
$401 USD
View
A
Retailer 5
-
€359 EUR
$401 USD
View
A
Retailer 6
-
€497 EUR
$555 USD
View
B+
Retailer 7
-
€547 EUR
$611 USD
View
B+
Retailer 8
-
€573 EUR
View
B+
Retailer 9
-
€583 EUR
$651 USD
View
B+
Retailer 10
-
€617 EUR
ZAR 11,133 ZAR
View
B+
Retailer 11
-
€641 EUR
£564 GBP
View
B+
Retailer 12
-
€876 EUR
$979 USD
View
B+
Retailer 13
-
€958 EUR
SGD 1,447 SGD
View
B
Retailer 14
-
€1,154 EUR
$1,289 USD
View
B
Retailer 15
-
€1,194 EUR
$1,334 USD
View
B
Retailer 16
-
€1,391 EUR
£1,224 GBP
View
B
Retailer 17
-
€1,421 EUR
$1,587 USD
View
B
Retailer 18
-
€1,440 EUR
£1,267 GBP
View
Most Expensive
B
Brilliant Earth
21092347A · Oct 31
€2,399 EUR
$2,680 USD
View
18 more retailers have this diamond
Prices start from €289 EURSave up to €2,110 EUR

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
€289 EUR