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Round|Lab Grown|IGI

1.03ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG662408428

Shape and cutting style on the report: Round brilliant

Certificate IGI LG662408428

Diamond specifications and retailer prices

From €198 EUR
$221 USD
As of October 30, 2026
Save €865 EUR (81%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €1,182 EUR at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG662408428 or 662408428. Listed at 25 retailers as of October 30, 2026, with a 437% 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
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662408428
Dimensions6.48 × 6.52 × 3.97 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.48 mm6.52 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662408428
Side View
Table 59.0%Crown 32.9°Girdle: MediumPavilion 41.2°Culet: NoneDepth 61.1%

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: €1,182 EUR|Low: €198 EUR|High: €1,182 EUR|Avg: €526 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 9€198 EUR
Retailer 17€206 EUR
Retailer 4€297 EUR
Retailer 2€368 EUR
Retailer 12€377 EUR
Retailer 10€401 EUR
Retailer 7€432 EUR
Retailer 3€434 EUR
Retailer 11€482 EUR
Retailer 14€537 EUR
Retailer 16€563 EUR
Retailer 6€598 EUR
Retailer 13€698 EUR
Retailer 8€754 EUR
Retailer 15€1,029 EUR
Retailer 5€1,062 EUR
Brilliant Earth€1,182 EUR

40 data points across 17 retailers

25 retailers€198 EUR to €1,062 EUR

Retailer 1
-
€177 EUR
$198 USD
Price last confirmed 13 days ago
A
Retailer 2
-
€198 EUR
$221 USD
View
Final sale: no returns
Retailer 3
-
€206 EUR
$230 USD
View
Price last confirmed 11 days ago
Retailer 4
-
€219 EUR
$245 USD
View
Price last confirmed 14 days ago
Retailer 5
-
€219 EUR
$245 USD
View
Price last confirmed 12 days ago
Retailer 6
-
€226 EUR
$253 USD
View
Price last confirmed 46 days ago
A
Retailer 7
-
€252 EUR
HK$2,200 HKD
View
A
Retailer 8
-
€297 EUR
$332 USD
View
A
Retailer 9
-
€368 EUR
View
A
Retailer 10
-
€377 EUR
ZAR 6,808 ZAR
View
A
Retailer 11
-
€401 EUR
£353 GBP
View
A
Retailer 12
-
€432 EUR
$483 USD
View
A
Retailer 13
-
€434 EUR
$485 USD
View
B+
Retailer 14
-
€482 EUR
A$828 AUD
View
B+
Retailer 15
-
€530 EUR
$592 USD
View
B+
Retailer 16
-
€537 EUR
A$923 AUD
View
B+
Retailer 17
-
€563 EUR
$629 USD
View
B+
Retailer 18
-
€598 EUR
SGD 903 SGD
View
B+
Retailer 19
-
€698 EUR
A$1,199 AUD
View
Retailer 20
-
€706 EUR
$789 USD
View
Price last confirmed 13 days ago
B+
Retailer 21
-
€754 EUR
$842 USD
View
B
Retailer 22
-
€1,029 EUR
£905 GBP
View
B
Retailer 23
-
€1,062 EUR
$1,187 USD
View
Retailer 24
-
€1,182 EUR
$1,320 USD
View
Price last confirmed 14 days ago
Most Expensive
Brilliant Earth
12191560A · Oct 21
€1,182 EUR
$1,320 USD
View
Price last confirmed 10 days ago
24 more retailers have this diamond
Prices start from €198 EURSave up to €865 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 Round
€198 EUR