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 $362 USD
As of November 4, 2026
Save $326 USD (47%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,110 USD 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 14 retailers as of November 2, 2026, with a 90% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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: Nov 4
Current: $1,110 USD|Low: $171 USD|High: $1,110 USD|Avg: $517 USD|+30.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 4, 2026
Retailer 9$241 USD
Retailer 8$362 USD
Retailer 2$380 USD
Retailer 3$401 USD
Retailer 4$441 USD
Retailer 7$460 USD
Retailer 6$510 USD
Retailer 11$606 USD
Retailer 5$688 USD
Retailer 10$914 USD
MOH London$1,110 USD

40 data points across 11 retailers

14 retailers$362 USD to $688 USD

Retailer 1
-
$153 USD
Price last confirmed 25 days ago
Retailer 2
-
$177 USD
View
Price last confirmed 26 days ago
Retailer 3
-
$189 USD
View
Price last confirmed 33 days ago
B+
Retailer 4
-
$362 USD
View
B+
Retailer 5
-
$380 USD
View
Retailer 6
-
$401 USD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
$441 USD
View
B+
Retailer 8
-
$460 USD
View
B+
Retailer 9
-
$510 USD
View
Retailer 10
-
$606 USD
View
Price last confirmed 8 days ago
Retailer 11
-
$609 USD
View
Price last confirmed 35 days ago
B
Retailer 12
-
$688 USD
View
Retailer 13
-
$914 USD
View
Price last confirmed 8 days ago
Most Expensive
MOH London
LG825630599 · Oct 25
$1,110 USD
£874 GBP
View
Price last confirmed 10 days ago
13 more retailers have this diamond
Prices start from $362 USDSave up to $326 USD

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
$362 USD