Round|Lab Grown|IGI

1.03ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG841605512

Shape and cutting style on the report: Round brilliant

Certificate IGI LG841605512

Diamond specifications and retailer prices

From $176 USD
As of October 29, 2026
Save $844 USD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,020 USD at MOH London · As of October 26, 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 LG841605512 or 841605512. Listed at 18 retailers as of October 26, 2026, with prices from $176 to $1,020, a $844 spread on the same certified stone. MOH London lists it at $1,020. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841605512
Dimensions6.45 × 6.49 × 4.03 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.45 mm6.49 mm1.03 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841605512
Side View
Table 58.0%Crown 34.4°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.3%

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: $1,020 USD|Low: $176 USD|High: $1,025 USD|Avg: $484 USD|-0.5%
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
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Retailer 18
October 29, 2026
Retailer 17$176 USD
Retailer 15$204 USD
Retailer 5$218 USD
Retailer 7$218 USD
Retailer 16$313 USD
Retailer 12$374 USD
Retailer 2$376 USD
Retailer 8$388 USD
Retailer 4$401 USD
Retailer 18$405 USD
Retailer 6$459 USD
Retailer 14$520 USD
Retailer 13$532 USD
Retailer 11$548 USD
Retailer 3$701 USD
Retailer 9$755 USD
Retailer 10$782 USD
MOH London$1,020 USD

16 data points across 18 retailers

18 retailers$176 USD to $1,020 USD

A
Cheapest Retailer
-
$176 USD
A
Retailer 2
-
$204 USD
View
A
Retailer 3
-
$218 USD
View
A
Retailer 4
-
$218 USD
View
A
Retailer 5
-
$313 USD
View
A
Retailer 6
-
$374 USD
ZAR 6,045 ZAR
View
A
Retailer 7
-
$376 USD
€358 EUR
View
B+
Retailer 8
-
$388 USD
View
Retailer 9
-
$401 USD
£316 GBP
View
Price last confirmed 14 days ago
Retailer 10
-
$405 USD
View
Price last confirmed 13 days ago
B+
Retailer 11
-
$459 USD
View
B+
Retailer 12
-
$520 USD
View
B+
Retailer 13
-
$532 USD
A$818 AUD
View
B+
Retailer 14
-
$548 USD
View
B
Retailer 15
-
$701 USD
View
B
Retailer 16
-
$755 USD
View
B
Retailer 17
-
$782 USD
View
Most Expensive
B
MOH London
LG841605512 · Oct 26
$1,020 USD
£803 GBP
View
17 more retailers have this diamond
Prices start from $176 USDSave up to $844 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
$176 USD