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Round|Lab Grown|IGI

7.51ct F SI2 Round Lab Grown Diamond

EX • F/SI2 • IGI LG610343020

Shape and cutting style on the report: Round brilliant

Certificate IGI LG610343020

Diamond specifications and retailer prices

From $1,445 USD
As of November 1, 2026
Save $7,225 USD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,670 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 7.51ct lab-grown round diamond

This 7.51ct lab-grown round sits in the over five carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG610343020 or 610343020. Listed at 16 retailers as of October 31, 2026, with prices from $1,445 to $8,670, a $7,225 spread on the same certified stone. Brilliant Earth lists it at $8,670. 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

7.51
Carat
F
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG610343020
Dimensions12.52 × 12.43 × 7.86 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.52 mm12.43 mm7.51 ctF / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG610343020
Side View
Table 55.0%Crown 35.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.9%

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 1
Current: $8,670 USD|Low: $1,387 USD|High: $8,670 USD|Avg: $2,837 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
November 1, 2026
Retailer 12$1,445 USD
Retailer 11$1,572 USD
Retailer 6$1,617 USD
Retailer 13$1,676 USD
Retailer 8$2,144 USD
Retailer 7$2,146 USD
Retailer 9$2,337 USD
Retailer 5$2,644 USD
Retailer 10$2,674 USD
Retailer 4$2,775 USD
Retailer 3$2,963 USD
Retailer 15$3,142 USD
Retailer 14$3,623 USD
Retailer 2$4,787 USD
Brilliant Earth$8,670 USD

41 data points across 15 retailers

16 retailers$1,445 USD to $8,670 USD

A
Cheapest Retailer
-
$1,445 USD
B+
Retailer 2
-
$1,572 USD
View
B+
Retailer 3
-
$1,617 USD
View
Final sale: no returns
Retailer 4
-
$1,676 USD
View
Price last confirmed 21 days ago
B+
Retailer 5
-
$1,676 USD
View
B+
Retailer 6
-
$2,144 USD
£1,688 GBP
View
B+
Retailer 7
-
$2,146 USD
View
B+
Retailer 8
-
$2,337 USD
£1,840 GBP
View
B
Retailer 9
-
$2,644 USD
View
B+
Retailer 10
-
$2,674 USD
€2,547 EUR
View
B
Retailer 11
-
$2,775 USD
View
B
Retailer 12
-
$2,963 USD
A$4,558 AUD
View
B
Retailer 13
-
$3,142 USD
View
B
Retailer 14
-
$3,623 USD
View
B
Retailer 15
-
$4,787 USD
£3,769 GBP
View
Most Expensive
B
Brilliant Earth
9750802A · Oct 31
$8,670 USD
View
15 more retailers have this diamond
Prices start from $1,445 USDSave up to $7,225 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
7.51ct Round
$1,445 USD