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Round|Lab Grown|IGI

1.22ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG781618245

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781618245

Diamond specifications and retailer prices

From HK$3,107 HKD
$396 USD
As of October 29, 2026
Save HK$18,313 HKD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$21,421 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.22ct lab-grown round diamond

This 1.22ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG781618245 or 781618245. Listed at 22 retailers as of October 29, 2026, with prices from HK$3,107 to HK$21,421, a HK$18,313 spread on the same certified stone. Brilliant Earth lists it at HK$21,421. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781618245
Dimensions6.83 × 6.87 × 4.18 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
6.83 mm6.87 mm1.22 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781618245
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: HK$21,421 HKD|Low: HK$3,484 HKD|High: HK$21,421 HKD|Avg: HK$7,807 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
October 29, 2026
Retailer 4HK$3,484 HKD
Retailer 5HK$3,484 HKD
Retailer 12HK$3,853 HKD
Retailer 9HK$5,022 HKD
Retailer 3HK$5,673 HKD
Retailer 10HK$6,135 HKD
Retailer 2HK$6,291 HKD
Retailer 8HK$6,626 HKD
Retailer 7HK$6,748 HKD
Retailer 11HK$9,267 HKD
Retailer 13HK$12,275 HKD
Retailer 6HK$15,147 HKD
Brilliant EarthHK$21,421 HKD

39 data points across 13 retailers

22 retailersHK$3,107 HKD to HK$21,421 HKD

A
Cheapest Retailer
-
HK$3,107 HKD
$396 USD
A
Retailer 2
-
HK$3,484 HKD
$444 USD
View
Final sale: no returns
A
Retailer 3
-
HK$3,484 HKD
$444 USD
View
A
Retailer 4
-
HK$3,853 HKD
$491 USD
View
A
Retailer 5
-
HK$3,853 HKD
$491 USD
View
A
Retailer 6
-
HK$4,218 HKD
View
B+
Retailer 7
-
HK$5,022 HKD
$640 USD
View
B+
Retailer 8
-
HK$5,179 HKD
$660 USD
View
B+
Retailer 9
-
HK$5,673 HKD
$723 USD
View
B+
Retailer 10
-
HK$6,050 HKD
$771 USD
View
B+
Retailer 11
-
HK$6,135 HKD
£616 GBP
View
B+
Retailer 12
-
HK$6,291 HKD
£631 GBP
View
B+
Retailer 13
-
HK$6,626 HKD
ZAR 13,643 ZAR
View
B+
Retailer 14
-
HK$6,748 HKD
€819 EUR
View
B
Retailer 15
-
HK$9,267 HKD
$1,181 USD
View
B
Retailer 16
-
HK$12,275 HKD
SGD 2,114 SGD
View
B
Retailer 17
-
HK$12,397 HKD
$1,580 USD
View
B
Retailer 18
-
HK$12,681 HKD
$1,616 USD
View
B
Retailer 19
-
HK$14,131 HKD
$1,801 USD
View
B
Retailer 20
-
HK$14,281 HKD
$1,820 USD
View
B
Retailer 21
-
HK$15,147 HKD
£1,520 GBP
View
Most Expensive
B
Brilliant Earth
18991997A · Oct 29
HK$21,421 HKD
$2,730 USD
View
21 more retailers have this diamond
Prices start from HK$3,107 HKDSave up to HK$18,313 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
1.22ct Round
HK$3,107 HKD