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Heart|Lab Grown|IGI

3.54ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG800611729

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG800611729

Diamond specifications and retailer prices

From HK$30,928 HKD
$3,942 USD
As of October 30, 2026
Save HK$102,214 HKD (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$133,142 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.54ct lab-grown heart diamond

This 3.54ct 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 LG800611729 or 800611729. Listed at 22 retailers as of October 30, 2026, with prices from HK$30,928 to HK$133,142, a HK$102,214 spread on the same certified stone. Brilliant Earth lists it at HK$133,142. 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

3.54
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800611729
Dimensions10.83 × 9.53 × 6.14 mm
L/W Ratio1.14
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
10.83 mm9.53 mm3.54 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800611729
Side View
Table 60.0%Crown 33.8°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 56.7%

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$133,142 HKD|Low: HK$29,688 HKD|High: HK$146,028 HKD|Avg: HK$65,757 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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 31, 2026
Retailer 5HK$30,928 HKD
Retailer 2HK$32,042 HKD
Retailer 10HK$32,411 HKD
Retailer 11HK$33,964 HKD
Retailer 6HK$35,878 HKD
Retailer 8HK$35,878 HKD
Retailer 4HK$36,326 HKD
Retailer 9HK$36,388 HKD
Retailer 18HK$38,965 HKD
Retailer 3HK$41,990 HKD
Retailer 13HK$43,007 HKD
Retailer 7HK$44,830 HKD
Retailer 21HK$52,880 HKD
Retailer 20HK$77,261 HKD
Retailer 19HK$83,295 HKD
Retailer 17HK$83,486 HKD
Retailer 12HK$104,497 HKD
Retailer 16HK$112,801 HKD
Retailer 15HK$123,554 HKD
Retailer 14HK$127,187 HKD
Brilliant EarthHK$133,142 HKD

41 data points across 21 retailers

22 retailersHK$30,928 HKD to HK$133,142 HKD

A
Cheapest Retailer
-
HK$30,928 HKD
$3,942 USD
A
Retailer 2
-
HK$32,042 HKD
$4,084 USD
View
Final sale: no returns
A
Retailer 3
-
HK$32,411 HKD
$4,131 USD
View
B+
Retailer 4
-
HK$33,964 HKD
$4,329 USD
View
Retailer 5
-
HK$35,878 HKD
$4,573 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
HK$35,878 HKD
$4,573 USD
View
B+
Retailer 7
-
HK$36,326 HKD
$4,630 USD
View
B+
Retailer 8
-
HK$36,388 HKD
$4,638 USD
View
B+
Retailer 9
-
HK$38,965 HKD
View
B+
Retailer 10
-
HK$41,990 HKD
$5,352 USD
View
B+
Retailer 11
-
HK$43,007 HKD
£4,316 GBP
View
B+
Retailer 12
-
HK$44,830 HKD
$5,714 USD
View
B+
Retailer 13
-
HK$52,880 HKD
$6,740 USD
View
B+
Retailer 14
-
HK$77,261 HKD
£7,754 GBP
View
B+
Retailer 15
-
HK$79,720 HKD
$10,161 USD
View
B+
Retailer 16
-
HK$83,295 HKD
ZAR 171,513 ZAR
View
B
Retailer 17
-
HK$83,486 HKD
$10,641 USD
View
B
Retailer 18
-
HK$104,497 HKD
$13,319 USD
View
B
Retailer 19
-
HK$112,801 HKD
SGD 19,429 SGD
View
B
Retailer 20
-
HK$123,554 HKD
$15,748 USD
View
B
Retailer 21
-
HK$127,187 HKD
$16,211 USD
View
Most Expensive
B
Brilliant Earth
20146769A · Oct 30
HK$133,142 HKD
$16,970 USD
View
21 more retailers have this diamond
Prices start from HK$30,928 HKDSave up to HK$102,214 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
3.54ct Heart
HK$30,928 HKD