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Round|Lab Grown|IGI

1.20ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG845656939

Shape and cutting style on the report: Round brilliant

Certificate IGI LG845656939

Diamond specifications and retailer prices

From HK$2,197 HKD
$280 USD
As of November 1, 2026
Save HK$9,415 HKD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$11,612 HKD at Brilliant Earth · As of November 2, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG845656939 or 845656939. Listed at 14 retailers as of November 1, 2026, with prices from HK$2,197 to HK$11,612, a HK$9,415 spread on the same certified stone. Brilliant Earth lists it at HK$11,612. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845656939
Dimensions6.77 × 6.80 × 4.23 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
6.77 mm6.80 mm1.20 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845656939
Side View
Table 57.0%Crown 35.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A+
Exceptional
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 1
Current: HK$11,612 HKD|Low: HK$2,197 HKD|High: HK$11,612 HKD|Avg: HK$5,109 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
November 3, 2026
Retailer 12HK$2,197 HKD
Retailer 5HK$2,712 HKD
Retailer 13HK$3,295 HKD
Retailer 9HK$3,688 HKD
Retailer 7HK$3,871 HKD
Retailer 11HK$4,045 HKD
Retailer 8HK$4,214 HKD
Retailer 2HK$4,635 HKD
Retailer 4HK$5,941 HKD
Retailer 10HK$7,501 HKD
Retailer 3HK$7,891 HKD
Retailer 6HK$9,785 HKD
Brilliant EarthHK$11,612 HKD

13 data points across 13 retailers

14 retailersHK$2,197 HKD to HK$11,612 HKD

A+
Cheapest Retailer
-
HK$2,197 HKD
$280 USD
Final sale: no returns
A
Retailer 2
-
HK$2,712 HKD
View
A
Retailer 3
-
HK$3,295 HKD
$420 USD
View
A
Retailer 4
-
HK$3,688 HKD
$470 USD
View
A
Retailer 5
-
HK$3,871 HKD
£388 GBP
View
A
Retailer 6
-
HK$4,045 HKD
€491 EUR
View
A
Retailer 7
-
HK$4,214 HKD
ZAR 8,676 ZAR
View
A
Retailer 8
-
HK$4,635 HKD
£465 GBP
View
B+
Retailer 9
-
HK$5,941 HKD
A$1,165 AUD
View
B+
Retailer 10
-
HK$7,501 HKD
$956 USD
View
B+
Retailer 11
-
HK$7,891 HKD
SGD 1,359 SGD
View
B+
Retailer 12
-
HK$9,785 HKD
£982 GBP
View
B
Retailer 13
-
HK$10,592 HKD
$1,350 USD
View
Most Expensive
B
Brilliant Earth
22229693A · Nov 2
HK$11,612 HKD
$1,480 USD
View
13 more retailers have this diamond
Prices start from HK$2,197 HKDSave up to HK$9,415 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$2,197 HKD