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Round|Lab Grown|IGI

1.23ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG818644345

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644345

Diamond specifications and retailer prices

From HK$7,359 HKD
$938 USD
As of October 29, 2026
Save HK$16,633 HKD (69%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$34,898 HKD at With Clarity · As of October 30, 2026
View at With Clarity

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818644345 or 818644345. Listed at 20 retailers as of October 29, 2026, with a 226% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644345
Dimensions6.94 × 6.95 × 4.17 mm
L/W Ratio1.00
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
6.94 mm6.95 mm1.23 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644345
Side View
Table 60.0%Crown 33°Girdle: MediumPavilion 41.1°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$14,768 HKD|Low: HK$9,925 HKD|High: HK$29,334 HKD|Avg: HK$18,787 HKD|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 6HK$9,925 HKD
Retailer 2HK$13,104 HKD
Retailer 4HK$13,395 HKD
Retailer 1HK$14,768 HKD
Retailer 3HK$15,687 HKD
Retailer 8HK$17,339 HKD
Retailer 5HK$21,811 HKD
Retailer 9HK$28,658 HKD
Retailer 7HK$28,985 HKD

39 data points across 9 retailers

20 retailersHK$7,359 HKD to HK$23,992 HKD

B+
Cheapest Retailer
-
HK$7,359 HKD
$938 USD
B+
Retailer 2
-
HK$8,003 HKD
$1,020 USD
View
B+
Retailer 3
-
HK$8,238 HKD
$1,050 USD
View
Final sale: no returns
B+
Retailer 4
-
HK$8,536 HKD
$1,088 USD
View
Retailer 5
-
HK$8,536 HKD
$1,088 USD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
HK$9,925 HKD
$1,265 USD
View
B+
Retailer 7
-
HK$9,942 HKD
View
B
Retailer 8
-
HK$12,224 HKD
$1,558 USD
View
B
Retailer 9
-
HK$13,104 HKD
£1,315 GBP
View
B
Retailer 10
-
HK$13,395 HKD
€1,626 EUR
View
B
Retailer 11
-
HK$14,768 HKD
£1,482 GBP
View
B
Retailer 12
-
HK$15,687 HKD
ZAR 32,301 ZAR
View
B
Retailer 13
-
HK$17,339 HKD
$2,210 USD
View
B
Retailer 14
-
HK$21,811 HKD
$2,780 USD
View
B
Retailer 15
-
HK$23,992 HKD
$3,058 USD
View
Retailer 16
-
HK$27,833 HKD
$3,548 USD
View
Price under review
Retailer 17
-
HK$28,658 HKD
SGD 4,936 SGD
View
Price under review
Retailer 18
-
HK$28,985 HKD
£2,909 GBP
View
Price under review
Retailer 19
-
HK$29,687 HKD
$3,784 USD
View
Price under review
Most Expensive
With Clarity
818644345 · Oct 30
HK$34,898 HKD
$4,448 USD
View
Price under review
19 more retailers have this diamond
Prices start from HK$7,359 HKDSave up to HK$16,633 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.

B+
1.23ct Round
HK$7,359 HKD