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Round|Lab Grown|IGI

1.18ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG731588288

Shape and cutting style on the report: Round brilliant

Certificate IGI LG731588288

Diamond specifications and retailer prices

From $193 USD
As of November 4, 2026
Save $916 USD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,109 USD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.18ct lab-grown round diamond

This 1.18ct 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 LG731588288 or 731588288. Listed at 21 retailers as of November 4, 2026, with prices from $193 to $1,109, a $916 spread on the same certified stone. Reve Diamonds lists it at $1,109. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731588288
Dimensions6.80 × 6.73 × 4.13 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
6.80 mm6.73 mm1.18 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731588288
Side View
Table 58.0%Crown 34.7°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.0%

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: Nov 4
Current: $379 USD|Low: $166 USD|High: $1,234 USD|Avg: $549 USD|+3.3%
Retailer 1
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
Reve Diamonds
November 5, 2026
Retailer 4$166 USD
Retailer 14$193 USD
Retailer 5$215 USD
Retailer 12$300 USD
Retailer 8$346 USD
Retailer 11$371 USD
Retailer 1$379 USD
Retailer 2$462 USD
Retailer 10$524 USD
Retailer 3$588 USD
Retailer 13$730 USD
Retailer 6$745 USD
Retailer 7$1,002 USD
Retailer 9$1,080 USD
Reve Diamonds$1,109 USD

35 data points across 15 retailers

21 retailers$193 USD to $1,109 USD

Retailer 1
-
$166 USD
Price last confirmed 28 days ago
A
Retailer 2
-
$193 USD
View
Final sale: no returns
Retailer 3
-
$213 USD
View
Price last confirmed 44 days ago
Retailer 4
-
$215 USD
View
Price last confirmed 28 days ago
Retailer 5
-
$215 USD
View
Price last confirmed 32 days ago
Retailer 6
-
$247 USD
View
Price last confirmed 44 days ago
Retailer 7
-
$260 USD
View
Price last confirmed 44 days ago
B+
Retailer 8
-
$300 USD
View
A
Retailer 9
-
$346 USD
View
A
Retailer 10
-
$371 USD
View
A
Retailer 11
-
$379 USD
View
A
Retailer 12
-
$462 USD
View
A
Retailer 13
-
$524 USD
View
B+
Retailer 14
-
$588 USD
View
Retailer 15
-
$691 USD
View
Price last confirmed 33 days ago
B+
Retailer 16
-
$730 USD
View
B+
Retailer 17
-
$745 USD
View
Retailer 18
-
$848 USD
View
Price last confirmed 45 days ago
B
Retailer 19
-
$1,002 USD
View
B
Retailer 20
-
$1,080 USD
View
Most Expensive
B
Reve Diamonds
54CE84EE0 · Nov 4
$1,109 USD
View
20 more retailers have this diamond
Prices start from $193 USDSave up to $916 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
1.18ct Round
$193 USD