Round|Lab Grown|IGI

1.03ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG825654999

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825654999

Diamond specifications and retailer prices

From $154 USD
As of October 29, 2026
Save $744 USD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $898 USD at MOH London · As of October 29, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG825654999 or 825654999. Listed at 18 retailers as of October 29, 2026, with prices from $154 to $898, a $744 spread on the same certified stone. MOH London lists it at $898. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825654999
Dimensions6.55 × 6.57 × 3.96 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
6.55 mm6.57 mm1.03 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825654999
Side View
Table 59.0%Crown 31.5°Girdle: MediumPavilion 41.5°Culet: NoneDepth 60.3%

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: Oct 29
Current: $898 USD|Low: $149 USD|High: $914 USD|Avg: $415 USD|-1.7%
MOH London
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
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 6$154 USD
Retailer 4$172 USD
Retailer 18$179 USD
Retailer 3$191 USD
Retailer 16$191 USD
Retailer 10$306 USD
Retailer 14$328 USD
Retailer 13$348 USD
Retailer 11$351 USD
Retailer 9$400 USD
Retailer 15$465 USD
Retailer 2$498 USD
Retailer 12$510 USD
Retailer 5$523 USD
Retailer 17$614 USD
Retailer 7$622 USD
Retailer 8$669 USD
MOH London$898 USD

25 data points across 18 retailers

18 retailers$154 USD to $898 USD

A
Cheapest Retailer
-
$154 USD
A
Retailer 2
-
$172 USD
View
Final sale: no returns
A
Retailer 3
-
$179 USD
View
A
Retailer 4
-
$191 USD
View
A
Retailer 5
-
$191 USD
View
A
Retailer 6
-
$306 USD
View
A
Retailer 7
-
$328 USD
ZAR 5,296 ZAR
View
A
Retailer 8
-
$348 USD
View
A
Retailer 9
-
$351 USD
£276 GBP
View
B+
Retailer 10
-
$400 USD
View
B+
Retailer 11
-
$465 USD
A$716 AUD
View
B+
Retailer 12
-
$498 USD
View
B+
Retailer 13
-
$510 USD
View
B+
Retailer 14
-
$523 USD
SGD 707 SGD
View
B+
Retailer 15
-
$614 USD
View
B
Retailer 16
-
$622 USD
View
B
Retailer 17
-
$669 USD
View
Most Expensive
B
MOH London
LG825654999 · Oct 29
$898 USD
£707 GBP
View
17 more retailers have this diamond
Prices start from $154 USDSave up to $744 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.

A
1.03ct Round
$154 USD