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Oval|Lab Grown|IGI

7.18ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG612340784

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG612340784

Diamond specifications and retailer prices

From $797 USD
As of October 29, 2026
Save $4,073 USD (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,870 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 7.18ct lab-grown oval diamond

This 7.18ct lab-grown oval sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG612340784 or 612340784. Listed at 16 retailers as of October 29, 2026, with prices from $797 to $4,870, a $4,073 spread on the same certified stone. Brilliant Earth lists it at $4,870. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

7.18
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG612340784
Dimensions15.45 × 11.11 × 6.78 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Top View
15.45 mm11.11 mm7.18 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG612340784
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.0%

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: $4,870 USD|Low: $766 USD|High: $4,870 USD|Avg: $1,962 USD
Brilliant Earth
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
November 1, 2026
Retailer 4$797 USD
Retailer 12$868 USD
Retailer 5$925 USD
Retailer 16$925 USD
Retailer 10$1,100 USD
Retailer 15$1,106 USD
Retailer 2$1,407 USD
Retailer 7$1,461 USD
Retailer 6$1,493 USD
Retailer 9$1,518 USD
Retailer 13$2,200 USD
Retailer 3$2,601 USD
Retailer 11$3,472 USD
Retailer 8$3,497 USD
Retailer 14$3,830 USD
Brilliant Earth$4,870 USD

39 data points across 16 retailers

16 retailers$797 USD to $4,870 USD

A
Cheapest Retailer
-
$797 USD
A
Retailer 2
-
$868 USD
View
A
Retailer 3
-
$925 USD
View
Retailer 4
-
$925 USD
View
Price last confirmed 21 days ago
A
Retailer 5
-
$1,100 USD
View
Retailer 6
-
$1,106 USD
£871 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
$1,407 USD
£1,108 GBP
View
A
Retailer 8
-
$1,461 USD
View
B+
Retailer 9
-
$1,493 USD
View
A
Retailer 10
-
$1,518 USD
€1,446 EUR
View
B+
Retailer 11
-
$2,200 USD
View
B
Retailer 12
-
$2,601 USD
View
Retailer 13
-
$3,472 USD
£2,734 GBP
View
Price last confirmed 7 days ago
B
Retailer 14
-
$3,497 USD
View
B
Retailer 15
-
$3,830 USD
View
Most Expensive
B
Brilliant Earth
8840133A · Oct 31
$4,870 USD
View
15 more retailers have this diamond
Prices start from $797 USDSave up to $4,073 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
7.18ct Oval
$797 USD