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Round|Lab Grown|IGI

1.20ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG685510748

Shape and cutting style on the report: Round brilliant

Certificate IGI LG685510748

Diamond specifications and retailer prices

From HK$1,616 HKD
$206 USD
As of October 29, 2026
Save HK$16,664 HKD (91%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$18,280 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 LG685510748 or 685510748. Listed at 22 retailers as of October 29, 2026, with prices from HK$1,616 to HK$18,280, a HK$16,664 spread on the same certified stone. Brilliant Earth lists it at HK$18,280. 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 angle35.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685510748
Dimensions6.76 × 6.80 × 4.20 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.76 mm6.80 mm1.20 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685510748
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.9%

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 29
Current: HK$18,280 HKD|Low: HK$1,546 HKD|High: HK$18,280 HKD|Avg: HK$5,127 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
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Retailer 17
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Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 20HK$1,616 HKD
Retailer 8HK$1,805 HKD
Retailer 14HK$1,867 HKD
Retailer 4HK$2,001 HKD
Retailer 5HK$2,001 HKD
Retailer 21HK$2,209 HKD
Retailer 9HK$2,707 HKD
Retailer 17HK$3,382 HKD
Retailer 15HK$3,658 HKD
Retailer 2HK$3,664 HKD
Retailer 7HK$3,907 HKD
Retailer 16HK$4,891 HKD
Retailer 6HK$4,958 HKD
Retailer 11HK$6,426 HKD
Retailer 19HK$6,449 HKD
Retailer 12HK$6,810 HKD
Retailer 3HK$6,847 HKD
Retailer 13HK$9,396 HKD
Retailer 18HK$9,454 HKD
Retailer 10HK$9,504 HKD
Brilliant EarthHK$18,280 HKD

42 data points across 21 retailers

22 retailersHK$1,616 HKD to HK$18,280 HKD

A
Cheapest Retailer
-
HK$1,616 HKD
$206 USD
A
Retailer 2
-
HK$1,805 HKD
$230 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,867 HKD
$238 USD
View
A
Retailer 4
-
HK$2,001 HKD
$255 USD
View
A
Retailer 5
-
HK$2,001 HKD
$255 USD
View
A
Retailer 6
-
HK$2,209 HKD
View
B+
Retailer 7
-
HK$2,707 HKD
$345 USD
View
Retailer 8
-
HK$3,382 HKD
ZAR 6,963 ZAR
View
Price last confirmed 7 days ago
A
Retailer 9
-
HK$3,658 HKD
€444 EUR
View
A
Retailer 10
-
HK$3,664 HKD
£368 GBP
View
A
Retailer 11
-
HK$3,907 HKD
$498 USD
View
A
Retailer 12
-
HK$4,891 HKD
A$959 AUD
View
B+
Retailer 13
-
HK$4,958 HKD
$632 USD
View
B+
Retailer 14
-
HK$6,426 HKD
$819 USD
View
B+
Retailer 15
-
HK$6,449 HKD
$822 USD
View
B+
Retailer 16
-
HK$6,810 HKD
$868 USD
View
B+
Retailer 17
-
HK$6,847 HKD
$873 USD
View
B+
Retailer 18
-
HK$9,396 HKD
£943 GBP
View
Retailer 19
-
HK$9,454 HKD
$1,205 USD
View
Price last confirmed 12 days ago
B
Retailer 20
-
HK$9,504 HKD
$1,211 USD
View
B
Retailer 21
-
HK$17,935 HKD
£1,800 GBP
View
Most Expensive
B
Brilliant Earth
15027555A · Oct 29
HK$18,280 HKD
$2,330 USD
View
21 more retailers have this diamond
Prices start from HK$1,616 HKDSave up to HK$16,664 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$1,616 HKD