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Round|Lab Grown|IGI

1.28ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG819605837

Shape and cutting style on the report: Round brilliant

Certificate IGI LG819605837

Diamond specifications and retailer prices

From HK$1,506 HKD
$192 USD
As of October 29, 2026
Save HK$7,670 HKD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$9,176 HKD at Reve Diamonds · As of October 30, 2026
View at Reve 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG819605837 or 819605837. Listed at 17 retailers as of October 29, 2026, with prices from HK$1,506 to HK$9,176, a HK$7,670 spread on the same certified stone. Reve Diamonds lists it at HK$9,176. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819605837
Dimensions6.97 × 7.02 × 4.31 mm
L/W Ratio1.01
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
6.97 mm7.02 mm1.28 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819605837
Side View
Table 57.0%Crown 33.2°Girdle: MediumPavilion 41.4°Culet: NoneDepth 61.5%

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: Oct 29
Current: HK$3,403 HKD|Low: HK$1,506 HKD|High: HK$9,466 HKD|Avg: HK$4,563 HKD|+5.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
Reve Diamonds
October 31, 2026
Retailer 14HK$1,506 HKD
Retailer 2HK$1,679 HKD
Retailer 12HK$1,750 HKD
Retailer 3HK$1,875 HKD
Retailer 4HK$1,875 HKD
Retailer 5HK$2,605 HKD
Retailer 9HK$3,031 HKD
Retailer 10HK$3,215 HKD
Retailer 1HK$3,403 HKD
Retailer 6HK$3,821 HKD
Retailer 11HK$4,569 HKD
Retailer 7HK$5,508 HKD
Retailer 15HK$6,018 HKD
Retailer 13HK$6,041 HKD
Retailer 8HK$6,441 HKD
Retailer 16HK$8,798 HKD
Reve DiamondsHK$9,176 HKD

43 data points across 17 retailers

17 retailersHK$1,506 HKD to HK$9,176 HKD

A
Cheapest Retailer
-
HK$1,506 HKD
$192 USD
A
Retailer 2
-
HK$1,679 HKD
$214 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,750 HKD
$223 USD
View
A
Retailer 4
-
HK$1,875 HKD
$239 USD
View
A
Retailer 5
-
HK$1,875 HKD
$239 USD
View
B+
Retailer 6
-
HK$2,605 HKD
$332 USD
View
A
Retailer 7
-
HK$3,031 HKD
£304 GBP
View
A
Retailer 8
-
HK$3,215 HKD
ZAR 6,621 ZAR
View
A
Retailer 9
-
HK$3,403 HKD
£342 GBP
View
A
Retailer 10
-
HK$3,821 HKD
$487 USD
View
A
Retailer 11
-
HK$4,569 HKD
A$896 AUD
View
A
Retailer 12
-
HK$5,508 HKD
$702 USD
View
A
Retailer 13
-
HK$6,018 HKD
$767 USD
View
A
Retailer 14
-
HK$6,041 HKD
$770 USD
View
B+
Retailer 15
-
HK$6,441 HKD
$821 USD
View
B+
Retailer 16
-
HK$8,798 HKD
£883 GBP
View
Most Expensive
B+
Reve Diamonds
96EC1F431 · Oct 30
HK$9,176 HKD
$1,170 USD
View
16 more retailers have this diamond
Prices start from HK$1,506 HKDSave up to HK$7,670 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$1,506 HKD