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Heart|Lab Grown|IGI

1.23ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG836612562

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836612562

Diamond specifications and retailer prices

From HK$2,699 HKD
As of November 4, 2026
Save HK$17,542 HKD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$20,241 HKD at Brilliant Earth · As of November 4, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836612562 or 836612562. Listed at 19 retailers as of November 4, 2026, with prices from HK$2,699 to HK$20,241, a HK$17,542 spread on the same certified stone. Brilliant Earth lists it at HK$20,241. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836612562
Dimensions6.51 × 7.40 × 4.30 mm
L/W Ratio1.14
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
6.51 mm7.40 mm1.23 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836612562
Side View
Table 57.0%Crown 36.5°Girdle: STK-THKPavilion 37.5°Culet: NoneDepth 58.1%

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: Nov 4
Current: HK$20,241 HKD|Low: HK$2,699 HKD|High: HK$20,241 HKD|Avg: HK$7,188 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
Retailer 19
November 5, 2026
Retailer 8HK$2,699 HKD
Retailer 3HK$3,130 HKD
Retailer 9HK$3,201 HKD
Retailer 17HK$3,350 HKD
Retailer 19HK$3,350 HKD
Retailer 2HK$3,421 HKD
Retailer 16HK$4,550 HKD
Retailer 6HK$5,264 HKD
Retailer 10HK$5,382 HKD
Retailer 15HK$5,766 HKD
Retailer 12HK$5,947 HKD
Retailer 4HK$6,457 HKD
Retailer 14HK$8,410 HKD
Retailer 18HK$10,756 HKD
Retailer 7HK$11,085 HKD
Retailer 11HK$12,082 HKD
Retailer 13HK$13,070 HKD
Retailer 5HK$13,886 HKD
Brilliant EarthHK$20,241 HKD

30 data points across 19 retailers

19 retailersHK$2,699 HKD to HK$20,241 HKD

A
Cheapest Retailer
-
HK$2,699 HKD
A
Retailer 2
-
HK$3,130 HKD
View
A
Retailer 3
-
HK$3,201 HKD
View
Final sale: no returns
Retailer 4
-
HK$3,350 HKD
View
Price last confirmed 11 days ago
A
Retailer 5
-
HK$3,350 HKD
View
A
Retailer 6
-
HK$3,421 HKD
View
A
Retailer 7
-
HK$4,550 HKD
View
A
Retailer 8
-
HK$5,264 HKD
View
A
Retailer 9
-
HK$5,382 HKD
View
B+
Retailer 10
-
HK$5,766 HKD
View
B+
Retailer 11
-
HK$5,947 HKD
View
B+
Retailer 12
-
HK$6,457 HKD
View
B+
Retailer 13
-
HK$8,410 HKD
View
B+
Retailer 14
-
HK$10,756 HKD
View
B+
Retailer 15
-
HK$11,085 HKD
View
B
Retailer 16
-
HK$12,082 HKD
View
B
Retailer 17
-
HK$13,070 HKD
View
B
Retailer 18
-
HK$13,886 HKD
View
Most Expensive
B
Brilliant Earth
21621190A · Nov 4
HK$20,241 HKD
$2,580 USD
View
18 more retailers have this diamond
Prices start from HK$2,699 HKDSave up to HK$17,542 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$2,699 HKD