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Round|Lab Grown|IGI

11.64ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG616430551

Shape and cutting style on the report: Round brilliant

Certificate IGI LG616430551

Diamond specifications and retailer prices

From $2,565 USD
£2,020 GBP
As of November 1, 2026
Save $13,405 USD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $15,970 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 11.64ct lab-grown round diamond

This 11.64ct lab-grown round sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG616430551 or 616430551. Listed at 18 retailers as of October 31, 2026, with prices from $2,565 to $15,970, a $13,405 spread on the same certified stone. Brilliant Earth lists it at $15,970. 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

11.64
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG616430551
Dimensions14.56 × 14.47 × 8.92 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
14.56 mm14.47 mm11.64 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG616430551
Side View
Table 58.0%Crown 33.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.4%

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: $15,970 USD|Low: $2,565 USD|High: $15,970 USD|Avg: $4,762 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 2$2,565 USD
Retailer 11$2,754 USD
Retailer 10$2,996 USD
Retailer 5$3,083 USD
Retailer 12$3,194 USD
Retailer 15$3,195 USD
Retailer 7$3,619 USD
Retailer 3$4,175 USD
Retailer 8$4,298 USD
Retailer 14$4,391 USD
Retailer 4$4,971 USD
Retailer 9$5,063 USD
Retailer 13$7,289 USD
Retailer 6$8,908 USD
Brilliant Earth$15,970 USD

42 data points across 15 retailers

18 retailers$2,565 USD to $15,970 USD

A
Cheapest Retailer
-
$2,565 USD
£2,020 GBP
A
Retailer 2
-
$2,754 USD
View
A
Retailer 3
-
$2,996 USD
View
A
Retailer 4
-
$3,083 USD
View
Final sale: no returns
A
Retailer 5
-
$3,194 USD
View
Retailer 6
-
$3,194 USD
View
Price last confirmed 20 days ago
A
Retailer 7
-
$3,195 USD
View
B+
Retailer 8
-
$3,619 USD
View
B+
Retailer 9
-
$4,175 USD
View
B+
Retailer 10
-
$4,298 USD
£3,384 GBP
View
B+
Retailer 11
-
$4,391 USD
View
B+
Retailer 12
-
$4,971 USD
View
B+
Retailer 13
-
$5,063 USD
€4,822 EUR
View
Retailer 14
-
$6,517 USD
View
Price last confirmed 53 days ago
B
Retailer 15
-
$7,289 USD
View
B
Retailer 16
-
$8,908 USD
View
B
Retailer 17
-
$11,134 USD
View
Most Expensive
B
Brilliant Earth
20601882A · Oct 31
$15,970 USD
View
17 more retailers have this diamond
Prices start from $2,565 USDSave up to $13,405 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
11.64ct Round
$2,565 USD