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1.28ct E IF Round Lab Grown Diamond

EX • E/IF • IGI LG817672940

Shape and cutting style on the report: Round brilliant

Certificate IGI LG817672940

Diamond specifications and retailer prices

From HK$1,640 HKD
$209 USD
As of October 29, 2026
Save HK$14,130 HKD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$15,770 HKD at Do Amore Diamonds · As of October 29, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG817672940 or 817672940. Listed at 16 retailers as of October 29, 2026, with prices from HK$1,640 to HK$15,770, a HK$14,130 spread on the same certified stone. Do Amore Diamonds lists it at HK$15,770. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817672940
Dimensions6.86 × 6.95 × 4.35 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
6.86 mm6.95 mm1.28 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817672940
Side View
Table 57.0%Crown 34.9°Girdle: MediumPavilion 41.3°Culet: NoneDepth 62.8%

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$15,770 HKD|Low: HK$1,640 HKD|High: HK$15,770 HKD|Avg: HK$5,862 HKD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 15HK$1,640 HKD
Retailer 13HK$1,836 HKD
Retailer 14HK$1,907 HKD
Retailer 6HK$2,531 HKD
Retailer 7HK$2,832 HKD
Retailer 2HK$3,637 HKD
Retailer 9HK$3,724 HKD
Retailer 5HK$3,962 HKD
Retailer 12HK$5,482 HKD
Retailer 8HK$6,303 HKD
Retailer 16HK$6,567 HKD
Retailer 11HK$7,218 HKD
Retailer 3HK$9,017 HKD
Retailer 10HK$9,258 HKD
Retailer 4HK$12,710 HKD
Do Amore DiamondsHK$15,770 HKD

7 data points across 16 retailers

16 retailersHK$1,640 HKD to HK$15,770 HKD

A
Cheapest Retailer
-
HK$1,640 HKD
$209 USD
A
Retailer 2
-
HK$1,836 HKD
$234 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,907 HKD
$243 USD
View
A
Retailer 4
-
HK$2,531 HKD
$323 USD
View
B+
Retailer 5
-
HK$2,832 HKD
$361 USD
View
A
Retailer 6
-
HK$3,637 HKD
£365 GBP
View
A
Retailer 7
-
HK$3,724 HKD
€452 EUR
View
A
Retailer 8
-
HK$3,962 HKD
$505 USD
View
A
Retailer 9
-
HK$5,482 HKD
A$1,075 AUD
View
B+
Retailer 10
-
HK$6,303 HKD
$803 USD
View
B+
Retailer 11
-
HK$6,567 HKD
$837 USD
View
B+
Retailer 12
-
HK$7,218 HKD
$920 USD
View
B+
Retailer 13
-
HK$9,017 HKD
£905 GBP
View
B+
Retailer 14
-
HK$9,258 HKD
$1,180 USD
View
B
Retailer 15
-
HK$12,710 HKD
$1,620 USD
View
Most Expensive
B
Do Amore Diamonds
27-873C8725E · Oct 29
HK$15,770 HKD
$2,010 USD
View
15 more retailers have this diamond
Prices start from HK$1,640 HKDSave up to HK$14,130 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$1,640 HKD