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Heart|Lab Grown|IGI

3.51ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG792676493

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG792676493

Diamond specifications and retailer prices

From HK$32,881 HKD
$4,191 USD
As of October 30, 2026
Save HK$99,083 HKD (75%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$131,965 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.51ct lab-grown heart diamond

This 3.51ct 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 LG792676493 or 792676493. Listed at 15 retailers as of October 30, 2026, with prices from HK$32,881 to HK$131,965, a HK$99,083 spread on the same certified stone. Brilliant Earth lists it at HK$131,965. 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

3.51
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792676493
Dimensions9.55 × 10.55 × 6.07 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
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
9.55 mm10.55 mm3.51 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792676493
Side View
Table 63.0%Crown 34.9°Girdle: THN-STKPavilion 41.3°Culet: NoneDepth 57.5%

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$131,965 HKD|Low: HK$32,881 HKD|High: HK$131,965 HKD|Avg: HK$69,305 HKD
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
October 31, 2026
Retailer 5HK$32,881 HKD
Retailer 3HK$34,639 HKD
Retailer 4HK$35,572 HKD
Retailer 9HK$37,459 HKD
Retailer 14HK$41,308 HKD
Retailer 2HK$42,397 HKD
Retailer 13HK$50,997 HKD
Retailer 11HK$56,232 HKD
Retailer 12HK$74,591 HKD
Retailer 8HK$80,269 HKD
Retailer 10HK$80,418 HKD
Retailer 7HK$118,753 HKD
Retailer 6HK$122,531 HKD
Brilliant EarthHK$131,965 HKD

43 data points across 14 retailers

15 retailersHK$32,881 HKD to HK$131,965 HKD

A
Cheapest Retailer
-
HK$32,881 HKD
$4,191 USD
Retailer 2
-
HK$34,639 HKD
$4,415 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
HK$35,572 HKD
$4,534 USD
View
B+
Retailer 4
-
HK$37,459 HKD
View
B+
Retailer 5
-
HK$41,308 HKD
$5,265 USD
View
B+
Retailer 6
-
HK$42,397 HKD
£4,255 GBP
View
B+
Retailer 7
-
HK$50,997 HKD
$6,500 USD
View
B+
Retailer 8
-
HK$56,232 HKD
€6,826 EUR
View
B+
Retailer 9
-
HK$74,591 HKD
£7,486 GBP
View
B+
Retailer 10
-
HK$76,621 HKD
$9,766 USD
View
B+
Retailer 11
-
HK$80,269 HKD
$10,231 USD
View
B+
Retailer 12
-
HK$80,418 HKD
ZAR 165,588 ZAR
View
B
Retailer 13
-
HK$118,753 HKD
$15,136 USD
View
B
Retailer 14
-
HK$122,531 HKD
$15,618 USD
View
Most Expensive
B
Brilliant Earth
19356652A · Oct 30
HK$131,965 HKD
$16,820 USD
View
14 more retailers have this diamond
Prices start from HK$32,881 HKDSave up to HK$99,083 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
3.51ct Heart
HK$32,881 HKD