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Heart|Lab Grown|IGI

3.51ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG800611924

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG800611924

Diamond specifications and retailer prices

From HK$30,677 HKD
$3,910 USD
As of October 30, 2026
Save HK$102,347 HKD (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$133,024 HKD at With Clarity · As of October 30, 2026
View at With Clarity

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 LG800611924 or 800611924. Listed at 22 retailers as of October 30, 2026, with prices from HK$30,677 to HK$133,024, a HK$102,347 spread on the same certified stone. With Clarity lists it at HK$133,024. 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 angle33.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800611924
Dimensions10.55 × 9.35 × 6.17 mm
L/W Ratio1.13
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
10.55 mm9.35 mm3.51 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800611924
Side View
Table 59.0%Crown 33.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 58.5%

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$83,792 HKD|Low: HK$29,453 HKD|High: HK$144,791 HKD|Avg: HK$66,770 HKD|-4.8%
Retailer 1
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
With Clarity
October 30, 2026
Retailer 19HK$30,677 HKD
Retailer 6HK$32,152 HKD
Retailer 7HK$33,705 HKD
Retailer 8HK$34,356 HKD
Retailer 3HK$35,588 HKD
Retailer 5HK$35,863 HKD
Retailer 18HK$36,051 HKD
Retailer 12HK$39,166 HKD
Retailer 17HK$41,637 HKD
Retailer 4HK$44,469 HKD
Retailer 14HK$46,675 HKD
Retailer 16HK$52,449 HKD
Retailer 15HK$76,643 HKD
Retailer 13HK$82,626 HKD
Retailer 1HK$83,792 HKD
Retailer 9HK$103,654 HKD
Retailer 10HK$121,475 HKD
Retailer 11HK$126,106 HKD
With ClarityHK$130,364 HKD
Retailer 2HK$131,965 HKD

40 data points across 20 retailers

22 retailersHK$30,677 HKD to HK$133,024 HKD

A
Cheapest Retailer
-
HK$30,677 HKD
$3,910 USD
A
Retailer 2
-
HK$32,152 HKD
$4,098 USD
View
A
Retailer 3
-
HK$33,705 HKD
$4,296 USD
View
A
Retailer 4
-
HK$34,356 HKD
$4,379 USD
View
Final sale: no returns
Retailer 5
-
HK$35,588 HKD
$4,536 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
HK$35,588 HKD
$4,536 USD
View
B+
Retailer 7
-
HK$35,863 HKD
$4,571 USD
View
B+
Retailer 8
-
HK$36,051 HKD
$4,595 USD
View
B+
Retailer 9
-
HK$39,166 HKD
View
B+
Retailer 10
-
HK$41,637 HKD
$5,307 USD
View
B+
Retailer 11
-
HK$44,469 HKD
$5,668 USD
View
B+
Retailer 12
-
HK$46,675 HKD
£4,684 GBP
View
B+
Retailer 13
-
HK$52,449 HKD
$6,685 USD
View
B+
Retailer 14
-
HK$76,643 HKD
£7,692 GBP
View
B+
Retailer 15
-
HK$80,010 HKD
$10,198 USD
View
B+
Retailer 16
-
HK$82,626 HKD
ZAR 170,136 ZAR
View
B
Retailer 17
-
HK$83,792 HKD
$10,680 USD
View
B
Retailer 18
-
HK$103,654 HKD
$13,212 USD
View
B
Retailer 19
-
HK$121,475 HKD
SGD 20,923 SGD
View
B
Retailer 20
-
HK$126,106 HKD
$16,073 USD
View
B
Retailer 21
-
HK$131,965 HKD
$16,820 USD
View
Most Expensive
B
With Clarity
800611924 · Oct 30
HK$133,024 HKD
$16,955 USD
View
21 more retailers have this diamond
Prices start from HK$30,677 HKDSave up to HK$102,347 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$30,677 HKD