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Round|Lab Grown|IGI

1.23ct D VVS1 Round Lab Grown Diamond

EX • D/VVS1 • IGI LG816607419

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816607419

Diamond specifications and retailer prices

From HK$1,679 HKD
As of November 3, 2026
Save HK$8,026 HKD (83%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: HK$17,138 HKD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round 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 LG816607419 or 816607419. Listed at 25 retailers as of November 3, 2026, with a 478% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816607419
Dimensions6.99 × 7.02 × 4.09 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.99 mm7.02 mm1.23 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816607419
Side View
Table 62.0%Crown 33.1°Girdle: MediumPavilion 40.4°Culet: NoneDepth 58.3%

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 3
Current: HK$3,797 HKD|Low: HK$1,608 HKD|High: HK$9,415 HKD|Avg: HK$4,355 HKD|+3.4%
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 2HK$1,679 HKD
Retailer 3HK$1,867 HKD
Retailer 5HK$2,079 HKD
Retailer 4HK$2,809 HKD
Retailer 6HK$3,287 HKD
Retailer 10HK$3,586 HKD
Retailer 8HK$3,774 HKD
Retailer 1HK$3,797 HKD
Retailer 9HK$5,084 HKD
Retailer 13HK$6,394 HKD
Retailer 7HK$6,708 HKD
Retailer 11HK$8,324 HKD
Retailer 12HK$9,258 HKD

40 data points across 13 retailers

25 retailersHK$1,679 HKD to HK$9,705 HKD

A
Cheapest Retailer
-
HK$1,679 HKD
A
Retailer 2
-
HK$1,867 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$1,946 HKD
View
Retailer 4
-
HK$2,079 HKD
View
Price last confirmed 11 days ago
A
Retailer 5
-
HK$2,079 HKD
View
A
Retailer 6
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HK$2,307 HKD
View
B+
Retailer 7
-
HK$2,809 HKD
View
A
Retailer 8
-
HK$3,287 HKD
View
A
Retailer 9
-
HK$3,586 HKD
View
B+
Retailer 10
-
HK$3,774 HKD
View
B+
Retailer 11
-
HK$3,797 HKD
View
B+
Retailer 12
-
HK$3,852 HKD
View
B+
Retailer 13
-
HK$5,084 HKD
View
B+
Retailer 14
-
HK$5,484 HKD
View
Retailer 15
-
HK$6,394 HKD
View
Price last confirmed 15 days ago
B
Retailer 16
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HK$6,685 HKD
View
B
Retailer 17
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HK$6,708 HKD
View
B
Retailer 18
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HK$6,747 HKD
View
B
Retailer 19
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HK$7,093 HKD
View
B
Retailer 20
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HK$7,124 HKD
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B
Retailer 21
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HK$8,128 HKD
View
B
Retailer 22
-
HK$8,324 HKD
View
B
Retailer 23
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HK$9,258 HKD
View
B
Retailer 24
-
HK$9,705 HKD
View
Most Expensive
Queensmith
LG816607419 · Oct 27
HK$17,138 HKD
£1,720 GBP
View
Price last confirmed 8 days ago
24 more retailers have this diamond
Prices start from HK$1,679 HKDSave up to HK$8,026 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
1.23ct Round
HK$1,679 HKD