CaratHunter
Plans
Round|Lab Grown|IGI

1.03ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG816645863

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816645863

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)
23 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 LG816645863 or 816645863. Listed at 23 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 angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816645863
Dimensions6.49 × 6.44 × 4.02 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.49 mm6.44 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816645863
Side View
Table 57.0%Crown 35.4°Girdle: MediumPavilion 41°Culet: NoneDepth 62.2%

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 28
Current: €376 EUR|Low: €183 EUR|High: €1,186 EUR|Avg: €519 EUR|+5.5%
Retailer 1
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
October 29, 2026
Retailer 3€188 EUR
Retailer 9€337 EUR
Retailer 8€354 EUR
Retailer 10€357 EUR
Retailer 2€365 EUR
Retailer 1€376 EUR
Retailer 14€423 EUR
Retailer 15€432 EUR
Retailer 6€449 EUR
Retailer 12€508 EUR
Retailer 13€671 EUR
Retailer 11€694 EUR
Retailer 4€717 EUR
Retailer 5€961 EUR
Retailer 7€1,186 EUR

35 data points across 15 retailers

23 retailers€188 EUR to €1,757 EUR

Retailer 1
-
€159 EUR
$177 USD
Price last confirmed 28 days ago
A
Retailer 2
-
€188 EUR
$209 USD
View
Final sale: no returns
Retailer 3
-
€191 EUR
$213 USD
View
Price last confirmed 16 days ago
Retailer 4
-
€192 EUR
$214 USD
View
Price last confirmed 27 days ago
Retailer 5
-
€203 EUR
$226 USD
View
Price last confirmed 30 days ago
Retailer 6
-
€205 EUR
$228 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
€337 EUR
£296 GBP
View
A
Retailer 8
-
€354 EUR
View
A
Retailer 9
-
€357 EUR
ZAR 6,420 ZAR
View
A
Retailer 10
-
€365 EUR
$406 USD
View
A
Retailer 11
-
€376 EUR
£329 GBP
View
A
Retailer 12
-
€423 EUR
$471 USD
View
A
Retailer 13
-
€432 EUR
$481 USD
View
A
Retailer 14
-
€449 EUR
A$768 AUD
View
B+
Retailer 15
-
€508 EUR
A$869 AUD
View
B+
Retailer 16
-
€535 EUR
$596 USD
View
Retailer 17
-
€660 EUR
$735 USD
View
Price last confirmed 30 days ago
B+
Retailer 18
-
€671 EUR
$747 USD
View
B+
Retailer 19
-
€694 EUR
A$1,188 AUD
View
B+
Retailer 20
-
€717 EUR
$798 USD
View
Retailer 21
-
€961 EUR
£842 GBP
View
Price last confirmed 10 days ago
B
Retailer 22
-
€1,186 EUR
$1,320 USD
View
Most Expensive
B
Queensmith
LG816645863 · Oct 27
€1,757 EUR
£1,540 GBP
View
22 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