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Round|Lab Grown|IGI

1.28ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG816607508

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816607508

Diamond specifications and retailer prices

From HK$1,734 HKD
As of November 3, 2026
Save HK$8,160 HKD (82%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$17,537 HKD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG816607508 or 816607508. Listed at 24 retailers as of November 3, 2026, with a 471% 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

1.28
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816607508
Dimensions6.90 × 6.94 × 4.33 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
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
6.90 mm6.94 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816607508
Side View
Table 57.0%Crown 34.8°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.5%

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 3
Current: HK$17,537 HKD|Low: HK$1,734 HKD|High: HK$17,537 HKD|Avg: HK$5,316 HKD
Queensmith
Retailer 2
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Retailer 24
November 5, 2026
Retailer 5HK$1,734 HKD
Retailer 15HK$1,946 HKD
Retailer 9HK$2,016 HKD
Retailer 3HK$2,150 HKD
Retailer 6HK$2,150 HKD
Retailer 4HK$2,409 HKD
Retailer 11HK$2,903 HKD
Retailer 13HK$3,405 HKD
Retailer 18HK$3,554 HKD
Retailer 22HK$3,711 HKD
Retailer 2HK$3,954 HKD
Retailer 10HK$4,072 HKD
Retailer 8HK$4,127 HKD
Retailer 20HK$5,257 HKD
Retailer 21HK$5,712 HKD
Retailer 24HK$6,473 HKD
Retailer 7HK$6,920 HKD
Retailer 16HK$6,975 HKD
Retailer 14HK$7,328 HKD
Retailer 17HK$7,414 HKD
Retailer 19HK$8,238 HKD
Retailer 23HK$8,623 HKD
Retailer 12HK$9,894 HKD
QueensmithHK$17,537 HKD

29 data points across 24 retailers

24 retailersHK$1,734 HKD to HK$9,894 HKD

A
Cheapest Retailer
-
HK$1,734 HKD
A
Retailer 2
-
HK$1,946 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$2,016 HKD
View
A
Retailer 4
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HK$2,150 HKD
View
Retailer 5
-
HK$2,150 HKD
View
Price last confirmed 11 days ago
A
Retailer 6
-
HK$2,409 HKD
View
B+
Retailer 7
-
HK$2,903 HKD
View
A
Retailer 8
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HK$3,405 HKD
View
A
Retailer 9
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HK$3,554 HKD
View
A
Retailer 10
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HK$3,711 HKD
View
A
Retailer 11
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HK$3,954 HKD
View
B+
Retailer 12
-
HK$4,072 HKD
View
B+
Retailer 13
-
HK$4,127 HKD
View
B+
Retailer 14
-
HK$5,257 HKD
View
B+
Retailer 15
-
HK$5,712 HKD
View
Retailer 16
-
HK$6,473 HKD
View
Price last confirmed 22 days ago
B
Retailer 17
-
HK$6,920 HKD
View
B
Retailer 18
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HK$6,975 HKD
View
B
Retailer 19
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HK$7,328 HKD
View
B
Retailer 20
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HK$7,414 HKD
View
B
Retailer 21
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HK$8,238 HKD
View
B+
Retailer 22
-
HK$8,623 HKD
View
B
Retailer 23
-
HK$9,894 HKD
View
Most Expensive
Queensmith
LG816607508 · Oct 27
HK$17,537 HKD
£1,760 GBP
View
Price last confirmed 8 days ago
23 more retailers have this diamond
Prices start from HK$1,734 HKDSave up to HK$8,160 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
1.28ct Round
HK$1,734 HKD