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Radiant|Lab Grown|IGI

1.21ct D VVS1 Radiant Lab Grown Diamond

EX • D/VVS1 • IGI LG754508808

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

Certificate IGI LG754508808

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 LG754508808 or 754508808. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle32.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508808
Dimensions5.24 × 5.24 × 3.47 mm
L/W Ratio1.00
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
5.24 mm5.24 mm1.21 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508808
Side View
Table 62.0%Crown 38.6°Girdle: MediumPavilion 32.2°Culet: NoneDepth 66.2%

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$13,730 HKD|Low: HK$1,428 HKD|High: HK$13,730 HKD|Avg: HK$4,974 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
November 5, 2026
Retailer 5HK$1,428 HKD
Retailer 8HK$1,616 HKD
Retailer 7HK$1,655 HKD
Retailer 9HK$1,750 HKD
Retailer 18HK$2,236 HKD
Retailer 6HK$2,762 HKD
Retailer 14HK$3,319 HKD
Retailer 12HK$3,366 HKD
Retailer 2HK$3,546 HKD
Retailer 10HK$3,711 HKD
Retailer 11HK$4,762 HKD
Retailer 3HK$6,010 HKD
Retailer 16HK$7,289 HKD
Retailer 17HK$8,317 HKD
Retailer 4HK$8,921 HKD
Retailer 15HK$8,944 HKD
Retailer 13HK$9,133 HKD
Do Amore DiamondsHK$13,730 HKD

45 data points across 18 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
Retailer 12
-
HK$3,491 HKD
View
Price last confirmed 21 days ago
A
Retailer 13
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HK$3,523 HKD
View
A
Retailer 14
-
HK$3,546 HKD
View
A
Retailer 15
-
HK$3,711 HKD
View
A
Retailer 16
-
HK$4,174 HKD
View
B+
Retailer 17
-
HK$4,762 HKD
View
B+
Retailer 18
-
HK$6,010 HKD
View
B+
Retailer 19
-
HK$6,284 HKD
View
Retailer 20
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HK$6,284 HKD
View
Price last confirmed 36 days ago
Retailer 21
-
HK$6,284 HKD
View
Price last confirmed 26 days ago
Retailer 22
-
HK$7,289 HKD
View
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
27-69E1018D9 · 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