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Oval|Lab Grown|IGI

12.05ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG560216123

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG560216123

Diamond specifications and retailer prices

From HK$15,273 HKD
£1,533 GBP
As of October 27, 2026
Save HK$121,085 HKD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$136,358 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.05ct lab-grown oval diamond

This 12.05ct lab-grown oval 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 LG560216123 or 560216123. Listed at 11 retailers as of October 27, 2026, with prices from HK$15,273 to HK$136,358, a HK$121,085 spread on the same certified stone. Brilliant Earth lists it at HK$136,358. 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

12.05
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG560216123
Dimensions18.33 × 12.92 × 8.19 mm
L/W Ratio1.42
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
18.33 mm12.92 mm12.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG560216123
Side View
Table 59.5%Crown 35.8°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.4%

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: Oct 27
Current: HK$148,048 HKD|Low: HK$15,273 HKD|High: HK$168,532 HKD|Avg: HK$65,648 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
Retailer 16
November 1, 2026
Retailer 14HK$15,273 HKD
Retailer 10HK$21,521 HKD
Retailer 15HK$27,107 HKD
Retailer 7HK$29,625 HKD
Retailer 9HK$31,820 HKD
Retailer 11HK$32,654 HKD
Retailer 6HK$32,740 HKD
Retailer 5HK$39,065 HKD
Retailer 2HK$45,309 HKD
Retailer 4HK$47,340 HKD
Retailer 16HK$60,945 HKD
Retailer 12HK$82,860 HKD
Retailer 3HK$91,512 HKD
Retailer 13HK$101,837 HKD
Brilliant EarthHK$148,048 HKD
Retailer 8HK$168,532 HKD

11 data points across 16 retailers

11 retailersHK$15,273 HKD to HK$136,358 HKD

A
Cheapest Retailer
-
HK$15,273 HKD
£1,533 GBP
A
Retailer 2
-
HK$21,521 HKD
$2,743 USD
View
B+
Retailer 3
-
HK$27,107 HKD
$3,455 USD
View
B
Retailer 4
-
HK$31,820 HKD
£3,193 GBP
View
B
Retailer 5
-
HK$32,654 HKD
$4,162 USD
View
B
Retailer 6
-
HK$47,340 HKD
$6,034 USD
View
B
Retailer 7
-
HK$60,945 HKD
$7,768 USD
View
B
Retailer 8
-
HK$82,860 HKD
$10,561 USD
View
B
Retailer 9
-
HK$91,512 HKD
$11,664 USD
View
B
Retailer 10
-
HK$101,837 HKD
$12,980 USD
View
Most Expensive
B
Brilliant Earth
22301436A · Oct 31
HK$136,358 HKD
$17,380 USD
View
10 more retailers have this diamond
Prices start from HK$15,273 HKDSave up to HK$121,085 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
12.05ct Oval
HK$15,273 HKD