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Radiant|Lab Grown|IGI

1.21ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG654433586

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

Certificate IGI LG654433586

Diamond specifications and retailer prices

From HK$1,428 HKD
As of November 4, 2026
Save HK$12,302 HKD (90%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: HK$13,730 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG654433586 or 654433586. Listed at 29 retailers as of November 4, 2026, with prices from HK$1,428 to HK$13,730, a HK$12,302 spread on the same certified stone. Do Amore Diamonds lists it at HK$13,730. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle32.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG654433586
Dimensions7.78 × 5.25 × 3.37 mm
L/W Ratio1.48
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
7.78 mm5.25 mm1.21 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG654433586
Side View
Table 62.0%Crown 41.1°Girdle: MediumPavilion 32.9°Culet: NoneDepth 64.2%

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: Nov 4
Current: HK$3,546 HKD|Low: HK$1,428 HKD|High: HK$10,200 HKD|Avg: HK$4,979 HKD|+3.7%
Retailer 1
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 5, 2026
Retailer 3HK$1,428 HKD
Retailer 2HK$1,616 HKD
Retailer 4HK$2,762 HKD
Retailer 9HK$3,319 HKD
Retailer 7HK$3,366 HKD
Retailer 1HK$3,546 HKD
Retailer 5HK$3,711 HKD
Retailer 6HK$4,762 HKD
Retailer 13HK$6,010 HKD
Retailer 11HK$7,289 HKD
Retailer 12HK$8,317 HKD
Retailer 10HK$8,944 HKD
Retailer 8HK$9,133 HKD

45 data points across 13 retailers

29 retailersHK$1,428 HKD to HK$13,730 HKD

A
Cheapest Retailer
-
HK$1,428 HKD
Retailer 2
-
HK$1,428 HKD
View
Price last confirmed 28 days ago
Retailer 3
-
HK$1,428 HKD
View
Price last confirmed 36 days ago
A
Retailer 4
-
HK$1,616 HKD
View
Final sale: no returns
Retailer 5
-
HK$1,655 HKD
View
Price last confirmed 39 days ago
Retailer 6
-
HK$1,750 HKD
View
Price last confirmed 37 days ago
Retailer 7
-
HK$1,773 HKD
View
Price last confirmed 33 days ago
B+
Retailer 8
-
HK$2,762 HKD
View
A
Retailer 9
-
HK$2,809 HKD
View
A
Retailer 10
-
HK$3,319 HKD
View
A
Retailer 11
-
HK$3,366 HKD
View
A
Retailer 12
-
HK$3,523 HKD
View
A
Retailer 13
-
HK$3,546 HKD
View
A
Retailer 14
-
HK$3,711 HKD
View
B+
Retailer 15
-
HK$4,174 HKD
View
B+
Retailer 16
-
HK$4,762 HKD
View
B+
Retailer 17
-
HK$6,010 HKD
View
B+
Retailer 18
-
HK$6,284 HKD
View
Retailer 19
-
HK$6,284 HKD
View
Price last confirmed 26 days ago
Retailer 20
-
HK$6,284 HKD
View
Price last confirmed 36 days ago
B
Retailer 21
-
HK$7,289 HKD
View
Retailer 22
-
HK$7,289 HKD
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Price last confirmed 7 days ago
B
Retailer 23
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HK$7,634 HKD
View
B
Retailer 24
-
HK$8,254 HKD
View
Retailer 25
-
HK$8,317 HKD
View
Price last confirmed 18 days ago
B
Retailer 26
-
HK$8,921 HKD
View
B
Retailer 27
-
HK$8,944 HKD
View
B
Retailer 28
-
HK$9,133 HKD
View
Most Expensive
B
Do Amore Diamonds
27-9F2422135 · Nov 4
HK$13,730 HKD
$1,750 USD
View
28 more retailers have this diamond
Prices start from HK$1,428 HKDSave up to HK$12,302 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$1,428 HKD