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Round|Lab Grown|IGI

10.03ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG653426153

Shape and cutting style on the report: Round brilliant

Certificate IGI LG653426153

Diamond specifications and retailer prices

From €1,922 EUR
$2,147 USD
As of October 29, 2026
Save €7,656 EUR (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €9,577 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 10.03ct lab-grown round diamond

This 10.03ct lab-grown round sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG653426153 or 653426153. Listed at 18 retailers as of October 29, 2026, with prices from €1,922 to €9,577, a €7,656 spread on the same certified stone. Brilliant Earth lists it at €9,577. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

10.03
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653426153
Dimensions13.86 × 13.77 × 8.42 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.86 mm13.77 mm10.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653426153
Side View
Table 59.0%Crown 35°Girdle: MediumPavilion 40.4°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €9,577 EUR|Low: €1,845 EUR|High: €9,918 EUR|Avg: €3,314 EUR|-3.0%
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
October 31, 2026
Retailer 13€1,922 EUR
Retailer 12€1,996 EUR
Retailer 11€2,091 EUR
Retailer 6€2,152 EUR
Retailer 7€2,230 EUR
Retailer 14€2,230 EUR
Retailer 5€2,651 EUR
Retailer 10€2,837 EUR
Retailer 9€3,056 EUR
Retailer 16€3,065 EUR
Retailer 3€3,263 EUR
Retailer 4€3,485 EUR
Retailer 2€3,527 EUR
Retailer 8€3,693 EUR
Retailer 15€7,000 EUR
Brilliant Earth€9,577 EUR

42 data points across 16 retailers

18 retailers€1,922 EUR to €9,577 EUR

A
Cheapest Retailer
-
€1,922 EUR
$2,147 USD
A
Retailer 2
-
€1,996 EUR
£1,756 GBP
View
A
Retailer 3
-
€2,091 EUR
$2,336 USD
View
A
Retailer 4
-
€2,152 EUR
$2,404 USD
View
Final sale: no returns
A
Retailer 5
-
€2,230 EUR
$2,491 USD
View
Retailer 6
-
€2,230 EUR
$2,491 USD
View
Price last confirmed 21 days ago
A
Retailer 7
-
€2,651 EUR
$2,962 USD
View
A
Retailer 8
-
€2,837 EUR
$3,170 USD
View
B+
Retailer 9
-
€3,056 EUR
£2,689 GBP
View
B+
Retailer 10
-
€3,065 EUR
$3,424 USD
View
B+
Retailer 11
-
€3,263 EUR
$3,645 USD
View
Retailer 12
-
€3,485 EUR
$3,893 USD
View
Price last confirmed 13 days ago
B+
Retailer 13
-
€3,527 EUR
View
Retailer 14
-
€3,576 EUR
$3,995 USD
View
Price last confirmed 17 days ago
B
Retailer 15
-
€6,322 EUR
$7,063 USD
View
B
Retailer 16
-
€7,000 EUR
$7,820 USD
View
B
Retailer 17
-
€7,795 EUR
$8,708 USD
View
Most Expensive
B
Brilliant Earth
20601832A · Oct 29
€9,577 EUR
$10,700 USD
View
17 more retailers have this diamond
Prices start from €1,922 EURSave up to €7,656 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
10.03ct Round
€1,922 EUR