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Round|Lab Grown|IGI

1.03ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG809654649

Shape and cutting style on the report: Round brilliant

Certificate IGI LG809654649

Diamond specifications and retailer prices

From €156 EUR
As of November 3, 2026
Save €900 EUR (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,056 EUR at Brilliant Earth · As of October 31, 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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG809654649 or 809654649. Listed at 21 retailers as of October 31, 2026, with prices from €156 to €1,056, a €900 spread on the same certified stone. Brilliant Earth lists it at €1,056. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
G
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809654649
Dimensions6.42 × 6.44 × 4.01 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.42 mm6.44 mm1.03 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809654649
Side View
Table 57.0%Crown 35.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
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: Nov 3
Current: €1,056 EUR|Low: €150 EUR|High: €1,225 EUR|Avg: €417 EUR|-11.9%
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
November 5, 2026
Retailer 5€156 EUR
Retailer 8€179 EUR
Retailer 7€193 EUR
Retailer 6€227 EUR
Retailer 11€322 EUR
Retailer 3€335 EUR
Retailer 9€339 EUR
Retailer 14€339 EUR
Retailer 15€472 EUR
Retailer 4€481 EUR
Retailer 2€554 EUR
Retailer 10€682 EUR
Retailer 12€768 EUR
Retailer 13€906 EUR
Brilliant Earth€1,056 EUR

36 data points across 15 retailers

21 retailers€156 EUR to €1,056 EUR

A
Cheapest Retailer
-
€156 EUR
A
Retailer 2
-
€179 EUR
View
A
Retailer 3
-
€193 EUR
View
Retailer 4
-
€193 EUR
View
Price last confirmed 11 days ago
A
Retailer 5
-
€227 EUR
View
B+
Retailer 6
-
€273 EUR
View
A
Retailer 7
-
€322 EUR
View
A
Retailer 8
-
€335 EUR
View
A
Retailer 9
-
€339 EUR
View
A
Retailer 10
-
€339 EUR
View
B+
Retailer 11
-
€407 EUR
View
B+
Retailer 12
-
€472 EUR
View
B+
Retailer 13
-
€481 EUR
View
B+
Retailer 14
-
€538 EUR
View
B+
Retailer 15
-
€554 EUR
View
B+
Retailer 16
-
€623 EUR
View
B
Retailer 17
-
€671 EUR
View
B
Retailer 18
-
€682 EUR
View
B
Retailer 19
-
€768 EUR
View
B
Retailer 20
-
€906 EUR
View
Most Expensive
B
Brilliant Earth
20615425A · Oct 31
€1,056 EUR
$1,190 USD
View
20 more retailers have this diamond
Prices start from €156 EURSave up to €900 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
€156 EUR