Round|Lab Grown|IGI

1.03ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG586382457

Shape and cutting style on the report: Round brilliant

Certificate IGI LG586382457

Diamond specifications and retailer prices

From $201 USD
As of October 29, 2026
Save $972 USD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,173 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG586382457 or 586382457. Listed at 19 retailers as of October 29, 2026, with prices from $201 to $1,173, a $972 spread on the same certified stone. MOH London lists it at $1,173. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG586382457
Dimensions6.51 × 6.45 × 4.00 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.51 mm6.45 mm1.03 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG586382457
Side View
Table 57.0%Crown 34.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.7%

Caratlytics Score

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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: $1,173 USD|Low: $193 USD|High: $1,181 USD|Avg: $486 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
Retailer 14
Retailer 15
November 2, 2026
Retailer 12$201 USD
Retailer 3$225 USD
Retailer 6$234 USD
Retailer 7$250 USD
Retailer 15$250 USD
Retailer 14$352 USD
Retailer 8$431 USD
Retailer 9$439 USD
Retailer 2$453 USD
Retailer 4$487 USD
Retailer 10$610 USD
Retailer 5$803 USD
Retailer 11$805 USD
Retailer 13$905 USD
MOH London$1,173 USD

43 data points across 15 retailers

19 retailers$201 USD to $1,173 USD

A
Cheapest Retailer
-
$201 USD
A
Retailer 2
-
$225 USD
View
Final sale: no returns
A
Retailer 3
-
$234 USD
View
Retailer 4
-
$250 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$250 USD
View
A
Retailer 6
-
$282 USD
HK$2,200 HKD
View
A
Retailer 7
-
$352 USD
View
A
Retailer 8
-
$431 USD
ZAR 6,963 ZAR
View
A
Retailer 9
-
$439 USD
€418 EUR
View
B+
Retailer 10
-
$453 USD
£357 GBP
View
B+
Retailer 11
-
$476 USD
View
B+
Retailer 12
-
$487 USD
View
B+
Retailer 13
-
$610 USD
A$939 AUD
View
B+
Retailer 14
-
$679 USD
SGD 917 SGD
View
B
Retailer 15
-
$803 USD
View
B
Retailer 16
-
$805 USD
View
B
Retailer 17
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$856 USD
View
Retailer 18
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$905 USD
View
Price last confirmed 25 days ago
Most Expensive
B
MOH London
LG586382457 · Oct 29
$1,173 USD
£924 GBP
View
18 more retailers have this diamond
Prices start from $201 USDSave up to $972 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
$201 USD