CaratHunter
Plans
Radiant|Lab Grown|IGI

1.21ct D IF Radiant Lab Grown Diamond

VG • D/IF • IGI LG754594892

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

Certificate IGI LG754594892

Diamond specifications and retailer prices

From HK$1,734 HKD
As of November 4, 2026
Save HK$15,841 HKD (90%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: HK$17,575 HKD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG754594892 or 754594892. Listed at 25 retailers as of November 4, 2026, with prices from HK$1,734 to HK$17,575, a HK$15,841 spread on the same certified stone. Do Amore Diamonds lists it at HK$17,575. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594892
Dimensions7.73 × 5.26 × 3.45 mm
L/W Ratio1.47
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
7.73 mm5.26 mm1.21 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594892
Side View
Table 62.0%Crown 39.9°Girdle: Slightly ThickPavilion 32.4°Culet: NoneDepth 65.6%

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 4
Current: HK$17,575 HKD|Low: HK$1,734 HKD|High: HK$17,575 HKD|Avg: HK$7,330 HKD
Do Amore Diamonds
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
Retailer 20
November 4, 2026
Retailer 14HK$1,734 HKD
Retailer 11HK$2,275 HKD
Retailer 13HK$2,432 HKD
Retailer 2HK$3,311 HKD
Retailer 18HK$3,358 HKD
Retailer 3HK$3,962 HKD
Retailer 6HK$4,331 HKD
Retailer 20HK$4,456 HKD
Retailer 4HK$5,217 HKD
Retailer 9HK$6,104 HKD
Retailer 16HK$6,936 HKD
Retailer 15HK$7,634 HKD
Retailer 5HK$8,968 HKD
Retailer 12HK$9,533 HKD
Retailer 19HK$9,619 HKD
Retailer 17HK$9,886 HKD
Retailer 7HK$10,050 HKD
Retailer 8HK$13,809 HKD
Retailer 10HK$14,476 HKD
Do Amore DiamondsHK$17,575 HKD

32 data points across 20 retailers

25 retailersHK$1,734 HKD to HK$17,575 HKD

A
Cheapest Retailer
-
HK$1,734 HKD
Retailer 2
-
HK$2,126 HKD
View
Price last confirmed 38 days ago
A
Retailer 3
-
HK$2,150 HKD
View
Final sale: no returns
Retailer 4
-
HK$2,275 HKD
View
Price last confirmed 25 days ago
A
Retailer 5
-
HK$2,432 HKD
View
A
Retailer 6
-
HK$3,311 HKD
View
A
Retailer 7
-
HK$3,358 HKD
View
A
Retailer 8
-
HK$3,962 HKD
View
A
Retailer 9
-
HK$4,150 HKD
View
A
Retailer 10
-
HK$4,331 HKD
View
A
Retailer 11
-
HK$4,456 HKD
View
A
Retailer 12
-
HK$4,684 HKD
View
B+
Retailer 13
-
HK$5,217 HKD
View
Retailer 14
-
HK$6,104 HKD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
HK$6,936 HKD
View
B+
Retailer 16
-
HK$7,634 HKD
View
Retailer 17
-
HK$8,065 HKD
View
Price last confirmed 25 days ago
B
Retailer 18
-
HK$8,968 HKD
View
Retailer 19
-
HK$9,533 HKD
View
Price last confirmed 27 days ago
B
Retailer 20
-
HK$9,619 HKD
View
B
Retailer 21
-
HK$9,886 HKD
View
B
Retailer 22
-
HK$10,050 HKD
View
B
Retailer 23
-
HK$13,809 HKD
View
Retailer 24
-
HK$14,476 HKD
View
Price last confirmed 17 days ago
Most Expensive
B
Do Amore Diamonds
27-B15119328 · Nov 4
HK$17,575 HKD
$2,240 USD
View
24 more retailers have this diamond
Prices start from HK$1,734 HKDSave up to HK$15,841 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
1.21ct Radiant
HK$1,734 HKD