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Heart|Lab Grown|IGI

1.23ct E FL Heart Lab Grown Diamond

ID • E/FL • IGI LG836617848

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836617848

Diamond specifications and retailer prices

From HK$2,550 HKD
$325 USD
As of October 30, 2026
Save HK$14,083 HKD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$16,633 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.23ct lab-grown heart diamond

This 1.23ct lab-grown heart 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 LG836617848 or 836617848. Listed at 19 retailers as of October 30, 2026, with prices from HK$2,550 to HK$16,633, a HK$14,083 spread on the same certified stone. Brilliant Earth lists it at HK$16,633. 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 angle32.1°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836617848
Dimensions6.72 × 7.51 × 4.12 mm
L/W Ratio1.12
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
6.72 mm7.51 mm1.23 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836617848
Side View
Table 60.0%Crown 32.1°Girdle: STK-THKPavilion 37.6°Culet: NoneDepth 54.9%

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 30
Current: HK$16,633 HKD|Low: HK$2,550 HKD|High: HK$20,320 HKD|Avg: HK$7,363 HKD|-18.1%
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
Retailer 19
October 30, 2026
Retailer 10HK$2,550 HKD
Retailer 4HK$2,958 HKD
Retailer 8HK$3,115 HKD
Retailer 16HK$3,162 HKD
Retailer 19HK$3,162 HKD
Retailer 14HK$3,362 HKD
Retailer 3HK$4,354 HKD
Retailer 7HK$5,092 HKD
Retailer 9HK$5,123 HKD
Retailer 12HK$5,435 HKD
Retailer 2HK$5,640 HKD
Retailer 18HK$6,559 HKD
Retailer 17HK$9,274 HKD
Retailer 15HK$10,168 HKD
Retailer 5HK$10,517 HKD
Retailer 11HK$11,815 HKD
Retailer 13HK$12,694 HKD
Retailer 6HK$13,534 HKD
Brilliant EarthHK$16,633 HKD

18 data points across 19 retailers

19 retailersHK$2,550 HKD to HK$16,633 HKD

A
Cheapest Retailer
-
HK$2,550 HKD
$325 USD
A
Retailer 2
-
HK$2,958 HKD
$377 USD
View
A
Retailer 3
-
HK$3,115 HKD
$397 USD
View
Final sale: no returns
A
Retailer 4
-
HK$3,162 HKD
$403 USD
View
A
Retailer 5
-
HK$3,162 HKD
$403 USD
View
Retailer 6
-
HK$3,362 HKD
£337 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
HK$4,354 HKD
$555 USD
View
A
Retailer 8
-
HK$5,092 HKD
$649 USD
View
A
Retailer 9
-
HK$5,123 HKD
$653 USD
View
A
Retailer 10
-
HK$5,435 HKD
ZAR 11,191 ZAR
View
B+
Retailer 11
-
HK$5,640 HKD
£566 GBP
View
B+
Retailer 12
-
HK$6,559 HKD
$836 USD
View
B
Retailer 13
-
HK$9,274 HKD
$1,182 USD
View
B
Retailer 14
-
HK$10,168 HKD
$1,296 USD
View
B
Retailer 15
-
HK$10,517 HKD
$1,341 USD
View
B
Retailer 16
-
HK$11,815 HKD
SGD 2,035 SGD
View
B+
Retailer 17
-
HK$12,694 HKD
£1,274 GBP
View
B
Retailer 18
-
HK$13,534 HKD
$1,725 USD
View
Most Expensive
B
Brilliant Earth
21813717A · Oct 30
HK$16,633 HKD
$2,120 USD
View
18 more retailers have this diamond
Prices start from HK$2,550 HKDSave up to HK$14,083 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 Heart
HK$2,550 HKD