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Round|Lab Grown|IGI

1.20ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG837615667

Shape and cutting style on the report: Round brilliant

Certificate IGI LG837615667

Diamond specifications and retailer prices

From HK$1,852 HKD
$236 USD
As of November 1, 2026
Save HK$9,761 HKD (84%) vs most expensive(unlock to see where)
20 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 LG837615667 or 837615667. Listed at 20 retailers as of November 1, 2026, with prices from HK$1,852 to HK$11,612, a HK$9,761 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 angle33.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837615667
Dimensions6.92 × 6.87 × 4.13 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
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 mm6.87 mm1.20 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837615667
Side View
Table 60.0%Crown 33.6°Girdle: MediumPavilion 40.9°Culet: NoneDepth 59.8%

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 1
Current: HK$11,612 HKD|Low: HK$1,836 HKD|High: HK$11,612 HKD|Avg: HK$4,874 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
Retailer 17
Retailer 18
Retailer 19
November 3, 2026
Retailer 18HK$1,852 HKD
Retailer 5HK$2,079 HKD
Retailer 8HK$2,150 HKD
Retailer 10HK$2,275 HKD
Retailer 6HK$2,299 HKD
Retailer 7HK$3,154 HKD
Retailer 14HK$3,641 HKD
Retailer 16HK$3,872 HKD
Retailer 17HK$3,968 HKD
Retailer 3HK$4,174 HKD
Retailer 13HK$4,328 HKD
Retailer 12HK$5,625 HKD
Retailer 15HK$5,814 HKD
Retailer 2HK$7,375 HKD
Retailer 4HK$7,798 HKD
Retailer 9HK$9,177 HKD
Retailer 19HK$10,273 HKD
Retailer 11HK$10,475 HKD
Brilliant EarthHK$11,612 HKD

23 data points across 19 retailers

20 retailersHK$1,852 HKD to HK$11,612 HKD

A
Cheapest Retailer
-
HK$1,852 HKD
$236 USD
A
Retailer 2
-
HK$2,079 HKD
$265 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,150 HKD
$274 USD
View
Retailer 4
-
HK$2,275 HKD
$290 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$2,299 HKD
$293 USD
View
A
Retailer 6
-
HK$3,154 HKD
$402 USD
View
A
Retailer 7
-
HK$3,641 HKD
£365 GBP
View
A
Retailer 8
-
HK$3,872 HKD
€470 EUR
View
A
Retailer 9
-
HK$3,968 HKD
ZAR 8,171 ZAR
View
A
Retailer 10
-
HK$4,174 HKD
$532 USD
View
A
Retailer 11
-
HK$4,328 HKD
£434 GBP
View
B+
Retailer 12
-
HK$5,453 HKD
$695 USD
View
B+
Retailer 13
-
HK$5,625 HKD
A$1,103 AUD
View
B+
Retailer 14
-
HK$5,814 HKD
$741 USD
View
B+
Retailer 15
-
HK$7,375 HKD
$940 USD
View
B+
Retailer 16
-
HK$7,798 HKD
$994 USD
View
B+
Retailer 17
-
HK$9,177 HKD
£921 GBP
View
B+
Retailer 18
-
HK$10,273 HKD
$1,309 USD
View
B
Retailer 19
-
HK$10,475 HKD
$1,335 USD
View
Most Expensive
B
Brilliant Earth
21690652A · Nov 2
HK$11,612 HKD
$1,480 USD
View
19 more retailers have this diamond
Prices start from HK$1,852 HKDSave up to HK$9,761 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$1,852 HKD