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Round|Lab Grown|IGI

1.28ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG350871005

Shape and cutting style on the report: Round brilliant

Certificate IGI LG350871005

Diamond specifications and retailer prices

From HK$1,954 HKD
$249 USD
As of November 3, 2026
Save HK$16,799 HKD (90%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$18,752 HKD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG350871005 or 350871005. Listed at 20 retailers as of November 2, 2026, with prices from HK$1,954 to HK$18,752, a HK$16,799 spread on the same certified stone. Do Amore Diamonds lists it at HK$18,752. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG350871005
Dimensions6.94 × 6.97 × 4.34 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa
Top View
6.94 mm6.97 mm1.28 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG350871005
Side View
Table 57.5%Crown 35.5°Girdle: MediumPavilion 41.5°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$18,752 HKD|Low: HK$1,954 HKD|High: HK$18,752 HKD|Avg: HK$6,112 HKD
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 12
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Retailer 20
November 3, 2026
Retailer 4HK$1,954 HKD
Retailer 20HK$2,268 HKD
Retailer 6HK$2,424 HKD
Retailer 18HK$2,424 HKD
Retailer 5HK$2,832 HKD
Retailer 16HK$2,840 HKD
Retailer 10HK$3,923 HKD
Retailer 2HK$4,331 HKD
Retailer 14HK$4,619 HKD
Retailer 3HK$4,904 HKD
Retailer 13HK$4,905 HKD
Retailer 12HK$5,916 HKD
Retailer 17HK$6,518 HKD
Retailer 8HK$7,454 HKD
Retailer 15HK$8,395 HKD
Retailer 11HK$8,513 HKD
Retailer 7HK$8,615 HKD
Retailer 9HK$9,924 HKD
Retailer 19HK$10,752 HKD
Do Amore DiamondsHK$18,752 HKD

17 data points across 20 retailers

20 retailersHK$1,954 HKD to HK$18,752 HKD

A
Cheapest Retailer
-
HK$1,954 HKD
$249 USD
A
Retailer 2
-
HK$2,268 HKD
$289 USD
View
A
Retailer 3
-
HK$2,424 HKD
$309 USD
View
Retailer 4
-
HK$2,424 HKD
$309 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
HK$2,832 HKD
$361 USD
View
B+
Retailer 6
-
HK$2,840 HKD
$362 USD
View
A
Retailer 7
-
HK$3,923 HKD
$500 USD
View
A
Retailer 8
-
HK$4,331 HKD
$552 USD
View
A
Retailer 9
-
HK$4,619 HKD
ZAR 9,511 ZAR
View
A
Retailer 10
-
HK$4,904 HKD
$625 USD
View
A
Retailer 11
-
HK$4,905 HKD
£492 GBP
View
B+
Retailer 12
-
HK$5,916 HKD
$754 USD
View
B+
Retailer 13
-
HK$6,518 HKD
A$1,278 AUD
View
B+
Retailer 14
-
HK$7,454 HKD
$950 USD
View
B
Retailer 15
-
HK$8,395 HKD
$1,070 USD
View
B+
Retailer 16
-
HK$8,513 HKD
$1,085 USD
View
B+
Retailer 17
-
HK$8,615 HKD
$1,098 USD
View
B
Retailer 18
-
HK$9,924 HKD
$1,265 USD
View
Retailer 19
-
HK$10,752 HKD
£1,079 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Do Amore Diamonds
27-CA672D874 · Nov 2
HK$18,752 HKD
$2,390 USD
View
19 more retailers have this diamond
Prices start from HK$1,954 HKDSave up to HK$16,799 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$1,954 HKD