Round|Lab Grown|IGI

1.03ct I VS1 Round Lab Grown Diamond

EX • I/VS1 • IGI LG825630599

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825630599

Diamond specifications and retailer prices

From €324 EUR
$362 USD
As of October 30, 2026
Save €670 EUR (67%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €994 EUR at MOH London · As of October 25, 2026
View at MOH London

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG825630599 or 825630599. Listed at 13 retailers as of October 25, 2026, with prices from €324 to €994, a €670 spread on the same certified stone. MOH London lists it at €994. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825630599
Dimensions6.52 × 6.47 × 3.92 mm
L/W Ratio1.01
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.52 mm6.47 mm1.03 ctI / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG825630599
Side View
Table 62.0%Crown 36.3°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €994 EUR|Low: €153 EUR|High: €994 EUR|Avg: €453 EUR|+30.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 7€216 EUR
Retailer 5€324 EUR
Retailer 10€359 EUR
Retailer 2€394 EUR
Retailer 4€412 EUR
Retailer 3€456 EUR
Retailer 9€542 EUR
Retailer 6€611 EUR
Retailer 8€819 EUR
MOH London€994 EUR

39 data points across 10 retailers

13 retailers€324 EUR to €994 EUR

Retailer 1
-
€137 EUR
$153 USD
Price last confirmed 21 days ago
Retailer 2
-
€158 EUR
$177 USD
View
Price last confirmed 22 days ago
Retailer 3
-
€169 EUR
$189 USD
View
Price last confirmed 29 days ago
B+
Retailer 4
-
€324 EUR
$362 USD
View
Retailer 5
-
€359 EUR
ZAR 6,480 ZAR
View
Price last confirmed 9 days ago
B+
Retailer 6
-
€394 EUR
View
B+
Retailer 7
-
€412 EUR
$460 USD
View
B+
Retailer 8
-
€456 EUR
$510 USD
View
B
Retailer 9
-
€542 EUR
£477 GBP
View
Retailer 10
-
€545 EUR
$609 USD
View
Price last confirmed 31 days ago
B
Retailer 11
-
€611 EUR
$683 USD
View
B
Retailer 12
-
€819 EUR
$915 USD
View
Most Expensive
C
MOH London
LG825630599 · Oct 25
€994 EUR
£874 GBP
View
12 more retailers have this diamond
Prices start from €324 EURSave up to €670 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.

B+
1.03ct Round
€324 EUR