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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 HK$20,128 HKD
£2,020 GBP
As of November 2, 2026
Save HK$105,175 HKD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$125,302 HKD at Brilliant Earth · As of November 2, 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 November 2, 2026, with prices from HK$20,128 to HK$125,302, a HK$105,175 spread on the same certified stone. Brilliant Earth lists it at HK$125,302. 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
Colour
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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$125,302 HKD|Low: HK$20,121 HKD|High: HK$125,302 HKD|Avg: HK$37,773 HKD
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 2, 2026
Retailer 8HK$20,128 HKD
Retailer 12HK$21,608 HKD
Retailer 11HK$23,507 HKD
Retailer 5HK$24,190 HKD
Retailer 13HK$25,060 HKD
Retailer 3HK$25,068 HKD
Retailer 7HK$28,395 HKD
Retailer 2HK$33,158 HKD
Retailer 10HK$33,719 HKD
Retailer 15HK$34,452 HKD
Retailer 4HK$39,003 HKD
Retailer 9HK$39,890 HKD
Retailer 14HK$57,190 HKD
Retailer 6HK$69,892 HKD
Brilliant EarthHK$125,302 HKD

43 data points across 15 retailers

18 retailersHK$20,128 HKD to HK$125,302 HKD

A
Cheapest Retailer
-
HK$20,128 HKD
£2,020 GBP
A
Retailer 2
-
HK$21,608 HKD
$2,754 USD
View
A
Retailer 3
-
HK$23,507 HKD
$2,996 USD
View
A
Retailer 4
-
HK$24,190 HKD
$3,083 USD
View
Final sale: no returns
B+
Retailer 5
-
HK$25,060 HKD
$3,194 USD
View
Retailer 6
-
HK$25,060 HKD
$3,194 USD
View
Price last confirmed 20 days ago
A
Retailer 7
-
HK$25,068 HKD
$3,195 USD
View
B+
Retailer 8
-
HK$28,395 HKD
$3,619 USD
View
B+
Retailer 9
-
HK$33,158 HKD
$4,226 USD
View
B+
Retailer 10
-
HK$33,719 HKD
£3,384 GBP
View
B+
Retailer 11
-
HK$34,452 HKD
$4,391 USD
View
B+
Retailer 12
-
HK$39,003 HKD
$4,971 USD
View
B+
Retailer 13
-
HK$39,890 HKD
€4,842 EUR
View
Retailer 14
-
HK$51,137 HKD
$6,517 USD
View
Price last confirmed 54 days ago
B
Retailer 15
-
HK$57,190 HKD
$7,289 USD
View
B
Retailer 16
-
HK$69,892 HKD
$8,908 USD
View
B
Retailer 17
-
HK$87,357 HKD
$11,134 USD
View
Most Expensive
B
Brilliant Earth
20601882A · Nov 2
HK$125,302 HKD
$15,970 USD
View
17 more retailers have this diamond
Prices start from HK$20,128 HKDSave up to HK$105,175 HKD

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
HK$20,128 HKD