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Round|Lab Grown|IGI

1.20ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG812621638

Shape and cutting style on the report: Round brilliant

Certificate IGI LG812621638

Diamond specifications and retailer prices

From HK$1,726 HKD
$220 USD
As of October 30, 2026
Save HK$10,513 HKD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$12,239 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG812621638 or 812621638. Listed at 18 retailers as of October 29, 2026, with prices from HK$1,726 to HK$12,239, a HK$10,513 spread on the same certified stone. Brilliant Earth lists it at HK$12,239. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812621638
Dimensions6.92 × 6.89 × 4.15 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.92 mm6.89 mm1.20 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812621638
Side View
Table 59.0%Crown 33.3°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 60.0%

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 30
Current: HK$12,239 HKD|Low: HK$1,224 HKD|High: HK$12,632 HKD|Avg: HK$5,385 HKD|-3.1%
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
October 30, 2026
Retailer 3HK$1,726 HKD
Retailer 7HK$1,977 HKD
Retailer 15HK$2,707 HKD
Retailer 8HK$3,254 HKD
Retailer 9HK$3,287 HKD
Retailer 2HK$3,491 HKD
Retailer 4HK$4,062 HKD
Retailer 10HK$4,671 HKD
Retailer 14HK$4,935 HKD
Retailer 13HK$6,175 HKD
Retailer 5HK$6,575 HKD
Retailer 11HK$8,968 HKD
Retailer 6HK$9,284 HKD
Retailer 12HK$9,415 HKD
Brilliant EarthHK$12,239 HKD

36 data points across 15 retailers

18 retailersHK$1,726 HKD to HK$12,239 HKD

Retailer 1
-
HK$1,546 HKD
$197 USD
Price last confirmed 20 days ago
A
Retailer 2
-
HK$1,726 HKD
$220 USD
View
Final sale: no returns
Retailer 3
-
HK$1,914 HKD
$244 USD
View
Price last confirmed 18 days ago
Retailer 4
-
HK$1,914 HKD
$244 USD
View
Price last confirmed 28 days ago
B+
Retailer 5
-
HK$2,707 HKD
$345 USD
View
A
Retailer 6
-
HK$3,254 HKD
€395 EUR
View
A
Retailer 7
-
HK$3,287 HKD
ZAR 6,769 ZAR
View
A
Retailer 8
-
HK$3,491 HKD
£350 GBP
View
A
Retailer 9
-
HK$4,062 HKD
$518 USD
View
A
Retailer 10
-
HK$4,671 HKD
A$916 AUD
View
B+
Retailer 11
-
HK$4,935 HKD
$629 USD
View
Retailer 12
-
HK$6,151 HKD
$784 USD
View
Price last confirmed 30 days ago
B+
Retailer 13
-
HK$6,175 HKD
$787 USD
View
B+
Retailer 14
-
HK$6,575 HKD
$838 USD
View
B
Retailer 15
-
HK$8,968 HKD
£900 GBP
View
B
Retailer 16
-
HK$9,284 HKD
$1,183 USD
View
Retailer 17
-
HK$9,415 HKD
$1,200 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
20913343A · Oct 29
HK$12,239 HKD
$1,560 USD
View
17 more retailers have this diamond
Prices start from HK$1,726 HKDSave up to HK$10,513 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
1.20ct Round
HK$1,726 HKD