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Radiant|Lab Grown|IGI

1.68ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG744514676

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG744514676

Diamond specifications and retailer prices

From HK$2,212 HKD
$282 USD
As of October 30, 2026
Save HK$24,384 HKD (92%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$26,597 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.68ct lab-grown radiant diamond

This 1.68ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG744514676 or 744514676. Listed at 17 retailers as of October 30, 2026, with prices from HK$2,212 to HK$26,597, a HK$24,384 spread on the same certified stone. Brilliant Earth lists it at HK$26,597. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.68
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.7°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744514676
Dimensions8.23 × 5.73 × 4.13 mm
L/W Ratio1.44
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
8.23 mm5.73 mm1.68 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744514676
Side View
Table 66.0%Crown 45.7°Girdle: ThickPavilion 37.3°Culet: NoneDepth 72.1%

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$26,597 HKD|Low: HK$2,212 HKD|High: HK$39,150 HKD|Avg: HK$10,570 HKD|-32.1%
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
Retailer 16
Retailer 17
October 31, 2026
Retailer 14HK$2,212 HKD
Retailer 6HK$2,566 HKD
Retailer 9HK$2,762 HKD
Retailer 15HK$4,135 HKD
Retailer 3HK$4,511 HKD
Retailer 10HK$4,511 HKD
Retailer 2HK$5,017 HKD
Retailer 13HK$7,053 HKD
Retailer 8HK$7,595 HKD
Retailer 17HK$8,418 HKD
Retailer 5HK$8,650 HKD
Retailer 4HK$9,729 HKD
Retailer 12HK$12,196 HKD
Retailer 11HK$14,080 HKD
Retailer 16HK$19,614 HKD
Retailer 7HK$22,792 HKD
Brilliant EarthHK$26,597 HKD

37 data points across 17 retailers

17 retailersHK$2,212 HKD to HK$26,597 HKD

A
Cheapest Retailer
-
HK$2,212 HKD
$282 USD
A
Retailer 2
-
HK$2,566 HKD
$327 USD
View
A
Retailer 3
-
HK$2,762 HKD
$352 USD
View
Final sale: no returns
A
Retailer 4
-
HK$4,135 HKD
$527 USD
View
A
Retailer 5
-
HK$4,511 HKD
$575 USD
View
A
Retailer 6
-
HK$4,511 HKD
$575 USD
View
A
Retailer 7
-
HK$5,017 HKD
€609 EUR
View
A
Retailer 8
-
HK$7,053 HKD
A$1,383 AUD
View
A
Retailer 9
-
HK$7,595 HKD
$968 USD
View
B+
Retailer 10
-
HK$8,418 HKD
$1,073 USD
View
A
Retailer 11
-
HK$8,650 HKD
$1,102 USD
View
B+
Retailer 12
-
HK$9,729 HKD
$1,240 USD
View
B+
Retailer 13
-
HK$12,196 HKD
£1,224 GBP
View
B+
Retailer 14
-
HK$14,080 HKD
A$2,761 AUD
View
B
Retailer 15
-
HK$19,614 HKD
$2,500 USD
View
B
Retailer 16
-
HK$22,792 HKD
$2,905 USD
View
Most Expensive
B
Brilliant Earth
17496203Y · Oct 31
HK$26,597 HKD
$3,390 USD
View
16 more retailers have this diamond
Prices start from HK$2,212 HKDSave up to HK$24,384 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
1.68ct Radiant
HK$2,212 HKD