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Oval|Lab Grown|IGI

1.28ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG735568337

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG735568337

Diamond specifications and retailer prices

From HK$2,001 HKD
$255 USD
As of October 31, 2026
Save HK$13,691 HKD (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$15,691 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.28ct lab-grown oval diamond

This 1.28ct lab-grown oval 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 LG735568337 or 735568337. Listed at 18 retailers as of October 31, 2026, with prices from HK$2,001 to HK$15,691, a HK$13,691 spread on the same certified stone. Brilliant Earth lists it at HK$15,691. 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 angle35.4°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735568337
Dimensions8.87 × 6.07 × 3.84 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
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
8.87 mm6.07 mm1.28 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735568337
Side View
Table 60.0%Crown 35.4°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.3%

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: Oct 31
Current: HK$15,691 HKD|Low: HK$2,001 HKD|High: HK$24,322 HKD|Avg: HK$6,554 HKD|-35.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
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Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Retailer 16
Retailer 17
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Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 17HK$2,001 HKD
Retailer 19HK$2,071 HKD
Retailer 15HK$2,212 HKD
Retailer 2HK$2,342 HKD
Retailer 4HK$3,123 HKD
Retailer 16HK$3,699 HKD
Retailer 6HK$3,805 HKD
Retailer 13HK$4,137 HKD
Retailer 3HK$4,715 HKD
Retailer 9HK$4,806 HKD
Retailer 14HK$4,904 HKD
Retailer 8HK$5,401 HKD
Retailer 20HK$5,751 HKD
Retailer 7HK$6,747 HKD
Retailer 18HK$7,124 HKD
Retailer 11HK$7,532 HKD
Retailer 10HK$8,609 HKD
Retailer 21HK$8,928 HKD
Retailer 5HK$10,058 HKD
Retailer 12HK$14,041 HKD
Brilliant EarthHK$15,691 HKD

7 data points across 21 retailers

18 retailersHK$2,001 HKD to HK$15,691 HKD

A
Cheapest Retailer
-
HK$2,001 HKD
$255 USD
Final sale: no returns
A
Retailer 2
-
HK$2,071 HKD
$264 USD
View
A
Retailer 3
-
HK$2,212 HKD
$282 USD
View
A
Retailer 4
-
HK$2,342 HKD
£235 GBP
View
A
Retailer 5
-
HK$3,123 HKD
$398 USD
View
A
Retailer 6
-
HK$3,699 HKD
€449 EUR
View
A
Retailer 7
-
HK$3,805 HKD
ZAR 7,835 ZAR
View
A
Retailer 8
-
HK$4,137 HKD
£415 GBP
View
A
Retailer 9
-
HK$4,715 HKD
$601 USD
View
A
Retailer 10
-
HK$4,806 HKD
$613 USD
View
B+
Retailer 11
-
HK$5,401 HKD
A$1,059 AUD
View
B+
Retailer 12
-
HK$5,751 HKD
$733 USD
View
B+
Retailer 13
-
HK$6,747 HKD
$860 USD
View
B+
Retailer 14
-
HK$7,124 HKD
$908 USD
View
B+
Retailer 15
-
HK$7,532 HKD
$960 USD
View
B
Retailer 16
-
HK$8,928 HKD
£896 GBP
View
B
Retailer 17
-
HK$10,058 HKD
$1,282 USD
View
Most Expensive
B
Brilliant Earth
17527358A · Oct 31
HK$15,691 HKD
$2,000 USD
View
17 more retailers have this diamond
Prices start from HK$2,001 HKDSave up to HK$13,691 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 Oval
HK$2,001 HKD