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Radiant|Lab Grown|IGI

1.21ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG754507800

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

Certificate IGI LG754507800

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)
24 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 LG754507800 or 754507800. Listed at 24 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 angle47.1°
Pavilion angle31.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754507800
Dimensions7.83 × 5.23 × 3.44 mm
L/W Ratio1.50
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
7.83 mm5.23 mm1.21 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754507800
Side View
Table 60.0%Crown 47.1°Girdle: MediumPavilion 31.7°Culet: NoneDepth 65.8%

Caratlytics Score

How it works →
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$13,730 HKD|Low: HK$1,373 HKD|High: HK$13,730 HKD|Avg: HK$5,181 HKD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Retailer 18
November 5, 2026
Retailer 5HK$1,428 HKD
Retailer 10HK$1,616 HKD
Retailer 17HK$1,655 HKD
Retailer 3HK$1,773 HKD
Retailer 4HK$2,236 HKD
Retailer 9HK$2,762 HKD
Retailer 14HK$3,319 HKD
Retailer 12HK$3,366 HKD
Retailer 2HK$3,546 HKD
Retailer 11HK$4,762 HKD
Retailer 7HK$6,010 HKD
Retailer 6HK$6,284 HKD
Retailer 16HK$7,289 HKD
Retailer 18HK$8,317 HKD
Retailer 8HK$8,921 HKD
Retailer 15HK$8,944 HKD
Retailer 13HK$9,133 HKD
Do Amore DiamondsHK$13,730 HKD

40 data points across 18 retailers

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

A
Cheapest Retailer
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HK$1,428 HKD
A
Retailer 2
-
HK$1,616 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$1,655 HKD
View
A
Retailer 4
-
HK$1,773 HKD
View
B+
Retailer 5
-
HK$2,762 HKD
View
A
Retailer 6
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HK$2,809 HKD
View
A
Retailer 7
-
HK$3,319 HKD
View
A
Retailer 8
-
HK$3,366 HKD
View
A
Retailer 9
-
HK$3,523 HKD
View
A
Retailer 10
-
HK$3,546 HKD
View
A
Retailer 11
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HK$3,711 HKD
View
A
Retailer 12
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HK$4,174 HKD
View
B+
Retailer 13
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HK$4,762 HKD
View
B+
Retailer 14
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HK$6,010 HKD
View
B+
Retailer 15
-
HK$6,284 HKD
View
Retailer 16
-
HK$7,289 HKD
View
Price last confirmed 7 days ago
B
Retailer 17
-
HK$7,634 HKD
View
B
Retailer 18
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HK$8,254 HKD
View
Retailer 19
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HK$8,317 HKD
View
Price last confirmed 18 days ago
B
Retailer 20
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HK$8,921 HKD
View
B
Retailer 21
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HK$8,944 HKD
View
B
Retailer 22
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HK$8,999 HKD
View
B
Retailer 23
-
HK$9,133 HKD
View
Most Expensive
B
Do Amore Diamonds
27-82C7B2555 · Nov 4
HK$13,730 HKD
$1,750 USD
View
23 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