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Round|Lab Grown|IGI

1.03ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG825688121

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825688121

Diamond specifications and retailer prices

From €188 EUR
$209 USD
As of October 28, 2026
Save €1,569 EUR (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,757 EUR at Queensmith · As of October 27, 2026
View at Queensmith

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 LG825688121 or 825688121. Listed at 21 retailers as of October 27, 2026, with prices from €188 to €1,757, a €1,569 spread on the same certified stone. Queensmith lists it at €1,757. 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
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825688121
Dimensions6.48 × 6.45 × 4.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
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 mm6.45 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825688121
Side View
Table 57.0%Crown 35.4°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A+
Exceptional
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 28
Current: €376 EUR|Low: €130 EUR|High: €1,222 EUR|Avg: €546 EUR|+8.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 12€188 EUR
Retailer 6€357 EUR
Retailer 5€359 EUR
Retailer 11€365 EUR
Retailer 1€376 EUR
Retailer 10€432 EUR
Retailer 3€454 EUR
Retailer 7€508 EUR
Retailer 9€535 EUR
Retailer 2€717 EUR
Retailer 8€973 EUR
Retailer 4€1,186 EUR

45 data points across 12 retailers

21 retailers€188 EUR to €1,757 EUR

A+
Retailer 1
-
€159 EUR
$177 USD
Price last confirmed 28 days ago
A
Retailer 2
-
€188 EUR
$209 USD
View
Final sale: no returns
A
Retailer 3
-
€191 EUR
$213 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
€192 EUR
$214 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
€203 EUR
$226 USD
View
Price last confirmed 29 days ago
A
Retailer 6
-
€205 EUR
$228 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
€357 EUR
ZAR 6,420 ZAR
View
A
Retailer 8
-
€359 EUR
View
A
Retailer 9
-
€365 EUR
$406 USD
View
A
Retailer 10
-
€376 EUR
£329 GBP
View
A
Retailer 11
-
€432 EUR
$481 USD
View
A
Retailer 12
-
€454 EUR
A$778 AUD
View
B+
Retailer 13
-
€508 EUR
A$869 AUD
View
B+
Retailer 14
-
€535 EUR
$596 USD
View
B+
Retailer 15
-
€631 EUR
$702 USD
View
Price last confirmed 30 days ago
B+
Retailer 16
-
€660 EUR
$735 USD
View
Price last confirmed 29 days ago
B+
Retailer 17
-
€681 EUR
A$1,166 AUD
View
Price last confirmed 57 days ago
B+
Retailer 18
-
€717 EUR
$798 USD
View
B+
Retailer 19
-
€973 EUR
£853 GBP
View
B
Retailer 20
-
€1,186 EUR
$1,320 USD
View
Most Expensive
B
Queensmith
LG825688121 · Oct 27
€1,757 EUR
£1,540 GBP
View
20 more retailers have this diamond
Prices start from €188 EURSave up to €1,569 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
€188 EUR