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Oval|Lab Grown|IGI

1.23ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG816625304

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG816625304

Diamond specifications and retailer prices

From HK$1,577 HKD
$201 USD
As of October 29, 2026
Save HK$13,565 HKD (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$15,142 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.23ct lab-grown oval diamond

This 1.23ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816625304 or 816625304. Listed at 18 retailers as of October 29, 2026, with prices from HK$1,577 to HK$15,142, a HK$13,565 spread on the same certified stone. Brilliant Earth lists it at HK$15,142. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.3°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816625304
Dimensions8.61 × 6.12 × 3.69 mm
L/W Ratio1.41
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
8.61 mm6.12 mm1.23 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG816625304
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 60.3%

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$15,142 HKD|Low: HK$1,538 HKD|High: HK$15,142 HKD|Avg: HK$5,138 HKD
Brilliant Earth
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
Retailer 17
Retailer 18
November 1, 2026
Retailer 10HK$1,577 HKD
Retailer 7HK$1,765 HKD
Retailer 16HK$1,828 HKD
Retailer 3HK$1,954 HKD
Retailer 18HK$1,954 HKD
Retailer 11HK$3,262 HKD
Retailer 13HK$3,353 HKD
Retailer 8HK$3,397 HKD
Retailer 2HK$3,552 HKD
Retailer 15HK$5,029 HKD
Retailer 5HK$6,206 HKD
Retailer 4HK$6,277 HKD
Retailer 9HK$6,566 HKD
Retailer 6HK$6,697 HKD
Retailer 17HK$6,912 HKD
Retailer 12HK$9,177 HKD
Retailer 14HK$11,533 HKD
Brilliant EarthHK$15,142 HKD

42 data points across 18 retailers

18 retailersHK$1,577 HKD to HK$15,142 HKD

A
Cheapest Retailer
-
HK$1,577 HKD
$201 USD
A
Retailer 2
-
HK$1,765 HKD
$225 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,828 HKD
$233 USD
View
A
Retailer 4
-
HK$1,954 HKD
$249 USD
View
A
Retailer 5
-
HK$1,954 HKD
$249 USD
View
A
Retailer 6
-
HK$3,262 HKD
€396 EUR
View
A
Retailer 7
-
HK$3,353 HKD
ZAR 6,904 ZAR
View
A
Retailer 8
-
HK$3,397 HKD
$433 USD
View
A
Retailer 9
-
HK$3,552 HKD
£356 GBP
View
B+
Retailer 10
-
HK$5,029 HKD
$641 USD
View
B+
Retailer 11
-
HK$6,206 HKD
$791 USD
View
B+
Retailer 12
-
HK$6,277 HKD
$800 USD
View
B+
Retailer 13
-
HK$6,566 HKD
SGD 1,131 SGD
View
B+
Retailer 14
-
HK$6,697 HKD
$854 USD
View
B+
Retailer 15
-
HK$6,912 HKD
$881 USD
View
B+
Retailer 16
-
HK$9,177 HKD
£921 GBP
View
Retailer 17
-
HK$11,533 HKD
$1,470 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
21434459A · Oct 31
HK$15,142 HKD
$1,930 USD
View
17 more retailers have this diamond
Prices start from HK$1,577 HKDSave up to HK$13,565 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
1.23ct Oval
HK$1,577 HKD