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Round|Lab Grown|IGI

1.23ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG816613126

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816613126

Diamond specifications and retailer prices

From HK$2,165 HKD
$276 USD
As of October 29, 2026
Save HK$11,643 HKD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$13,808 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG816613126 or 816613126. Listed at 20 retailers as of October 29, 2026, with prices from HK$2,165 to HK$13,808, a HK$11,643 spread on the same certified stone. Brilliant Earth lists it at HK$13,808. 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 angle33.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816613126
Dimensions6.97 × 6.93 × 4.19 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 mm6.93 mm1.23 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816613126
Side View
Table 57.0%Crown 33.3°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.2%

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$13,808 HKD|Low: HK$2,079 HKD|High: HK$13,808 HKD|Avg: HK$5,677 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
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Retailer 18
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Retailer 20
October 30, 2026
Retailer 3HK$2,165 HKD
Retailer 10HK$2,416 HKD
Retailer 20HK$2,511 HKD
Retailer 12HK$2,683 HKD
Retailer 19HK$2,683 HKD
Retailer 6HK$3,782 HKD
Retailer 17HK$3,805 HKD
Retailer 14HK$4,416 HKD
Retailer 16HK$4,609 HKD
Retailer 13HK$4,709 HKD
Retailer 7HK$5,233 HKD
Retailer 5HK$5,359 HKD
Retailer 8HK$5,962 HKD
Retailer 2HK$6,779 HKD
Retailer 18HK$8,622 HKD
Retailer 9HK$9,020 HKD
Retailer 15HK$10,811 HKD
Retailer 11HK$11,260 HKD
Retailer 4HK$12,043 HKD
Brilliant EarthHK$13,808 HKD

36 data points across 20 retailers

20 retailersHK$2,165 HKD to HK$13,808 HKD

A
Cheapest Retailer
-
HK$2,165 HKD
$276 USD
A
Retailer 2
-
HK$2,416 HKD
$308 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,511 HKD
$320 USD
View
A
Retailer 4
-
HK$2,683 HKD
$342 USD
View
Retailer 5
-
HK$2,683 HKD
$342 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
HK$3,782 HKD
$482 USD
View
A
Retailer 7
-
HK$3,805 HKD
$485 USD
View
A
Retailer 8
-
HK$4,416 HKD
€536 EUR
View
A
Retailer 9
-
HK$4,609 HKD
ZAR 9,490 ZAR
View
A
Retailer 10
-
HK$4,709 HKD
£473 GBP
View
B+
Retailer 11
-
HK$5,233 HKD
$667 USD
View
B+
Retailer 12
-
HK$5,359 HKD
$683 USD
View
B+
Retailer 13
-
HK$5,962 HKD
$760 USD
View
B+
Retailer 14
-
HK$6,779 HKD
$864 USD
View
B+
Retailer 15
-
HK$8,622 HKD
$1,099 USD
View
B
Retailer 16
-
HK$9,020 HKD
$1,150 USD
View
B+
Retailer 17
-
HK$10,811 HKD
£1,085 GBP
View
B
Retailer 18
-
HK$11,260 HKD
$1,435 USD
View
Retailer 19
-
HK$12,043 HKD
$1,535 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21018332A · Oct 29
HK$13,808 HKD
$1,760 USD
View
19 more retailers have this diamond
Prices start from HK$2,165 HKDSave up to HK$11,643 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 Round
HK$2,165 HKD