CaratHunter
Plans
Heart|Lab Grown|IGI

3.12ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG797643241

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG797643241

Diamond specifications and retailer prices

From HK$25,065 HKD
As of November 4, 2026
Save HK$102,176 HKD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$127,241 HKD at With Clarity · As of November 5, 2026
View at With Clarity

About this 3.12ct lab-grown heart diamond

This 3.12ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG797643241 or 797643241. Listed at 17 retailers as of November 4, 2026, with prices from HK$25,065 to HK$127,241, a HK$102,176 spread on the same certified stone. With Clarity lists it at HK$127,241. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.12
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797643241
Dimensions10.10 × 8.61 × 5.87 mm
L/W Ratio1.17
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
10.10 mm8.61 mm3.12 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797643241
Side View
Table 62.0%Crown 39.2°Girdle: MED-STKPavilion 38.2°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$65,633 HKD|Low: HK$25,065 HKD|High: HK$127,241 HKD|Avg: HK$50,152 HKD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
With Clarity
November 5, 2026
Retailer 6HK$25,065 HKD
Retailer 2HK$25,968 HKD
Retailer 9HK$27,223 HKD
Retailer 3HK$34,739 HKD
Retailer 10HK$37,108 HKD
Retailer 8HK$37,312 HKD
Retailer 5HK$60,479 HKD
Retailer 4HK$62,134 HKD
Retailer 1HK$65,633 HKD
Retailer 7HK$89,200 HKD
With ClarityHK$127,241 HKD

39 data points across 11 retailers

17 retailersHK$25,065 HKD to HK$127,241 HKD

Retailer 1
-
HK$22,382 HKD
Price last confirmed 28 days ago
Retailer 2
-
HK$24,352 HKD
View
Price last confirmed 37 days ago
A
Retailer 3
-
HK$25,065 HKD
View
Final sale: no returns
Retailer 4
-
HK$25,968 HKD
View
Price last confirmed 33 days ago
A
Retailer 5
-
HK$27,223 HKD
View
A
Retailer 6
-
HK$28,298 HKD
View
B+
Retailer 7
-
HK$34,739 HKD
View
Retailer 8
-
HK$35,696 HKD
View
Price last confirmed 36 days ago
B+
Retailer 9
-
HK$37,108 HKD
View
B+
Retailer 10
-
HK$37,312 HKD
View
B+
Retailer 11
-
HK$60,479 HKD
View
B+
Retailer 12
-
HK$62,134 HKD
View
B+
Retailer 13
-
HK$65,633 HKD
View
B
Retailer 14
-
HK$75,785 HKD
View
B
Retailer 15
-
HK$89,200 HKD
View
B
Retailer 16
-
HK$90,471 HKD
View
Most Expensive
B
With Clarity
797643241 · Nov 5
HK$127,241 HKD
$16,219 USD
View
16 more retailers have this diamond
Prices start from HK$25,065 HKDSave up to HK$102,176 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
3.12ct Heart
HK$25,065 HKD