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Heart|Lab Grown|IGI

3.57ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG817695374

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG817695374

Diamond specifications and retailer prices

From HK$24,887 HKD
$3,172 USD
As of October 30, 2026
Save HK$100,692 HKD (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$125,578 HKD at With Clarity · As of October 31, 2026
View at With Clarity

About this 3.57ct lab-grown heart diamond

This 3.57ct 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 LG817695374 or 817695374. Listed at 22 retailers as of October 30, 2026, with prices from HK$24,887 to HK$125,578, a HK$100,692 spread on the same certified stone. With Clarity lists it at HK$125,578. 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

3.57
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817695374
Dimensions9.48 × 10.46 × 6.06 mm
L/W Ratio1.10
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
9.48 mm10.46 mm3.57 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817695374
Side View
Table 59.0%Crown 37.3°Girdle: STK-THKPavilion 38.2°Culet: NoneDepth 57.9%

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$38,035 HKD|Low: HK$24,887 HKD|High: HK$134,240 HKD|Avg: HK$53,493 HKD|-14.1%
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
With Clarity
October 31, 2026
Retailer 5HK$24,887 HKD
Retailer 18HK$27,076 HKD
Retailer 3HK$28,276 HKD
Retailer 7HK$28,864 HKD
Retailer 8HK$28,864 HKD
Retailer 2HK$30,088 HKD
Retailer 15HK$32,858 HKD
Retailer 4HK$34,709 HKD
Retailer 9HK$36,075 HKD
Retailer 17HK$36,294 HKD
Retailer 1HK$38,035 HKD
Retailer 6HK$44,838 HKD
Retailer 13HK$54,626 HKD
Retailer 12HK$67,017 HKD
Retailer 16HK$70,541 HKD
Retailer 14HK$73,564 HKD
Retailer 11HK$93,991 HKD
Retailer 10HK$100,846 HKD
With ClarityHK$125,578 HKD

30 data points across 19 retailers

22 retailersHK$24,887 HKD to HK$125,578 HKD

A
Cheapest Retailer
-
HK$24,887 HKD
$3,172 USD
A
Retailer 2
-
HK$27,076 HKD
$3,451 USD
View
A
Retailer 3
-
HK$28,276 HKD
$3,604 USD
View
A
Retailer 4
-
HK$28,864 HKD
$3,679 USD
View
Retailer 5
-
HK$28,864 HKD
$3,679 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
HK$30,088 HKD
$3,835 USD
View
B+
Retailer 7
-
HK$32,858 HKD
$4,188 USD
View
Final sale: no returns
B+
Retailer 8
-
HK$34,709 HKD
$4,424 USD
View
B+
Retailer 9
-
HK$36,075 HKD
$4,598 USD
View
B+
Retailer 10
-
HK$36,294 HKD
$4,626 USD
View
B+
Retailer 11
-
HK$38,035 HKD
£3,817 GBP
View
B+
Retailer 12
-
HK$44,838 HKD
$5,715 USD
View
Retailer 13
-
HK$45,489 HKD
$5,798 USD
View
Price last confirmed 32 days ago
B+
Retailer 14
-
HK$54,626 HKD
€6,631 EUR
View
B+
Retailer 15
-
HK$67,017 HKD
ZAR 137,994 ZAR
View
B+
Retailer 16
-
HK$70,541 HKD
$8,991 USD
View
B+
Retailer 17
-
HK$72,039 HKD
$9,182 USD
View
B+
Retailer 18
-
HK$73,564 HKD
£7,383 GBP
View
B
Retailer 19
-
HK$93,991 HKD
$11,980 USD
View
B
Retailer 20
-
HK$100,846 HKD
$12,854 USD
View
B
Retailer 21
-
HK$114,677 HKD
SGD 19,752 SGD
View
Most Expensive
B
With Clarity
817695374 · Oct 31
HK$125,578 HKD
$16,006 USD
View
21 more retailers have this diamond
Prices start from HK$24,887 HKDSave up to HK$100,692 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
3.57ct Heart
HK$24,887 HKD