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Heart|Lab Grown|IGI

3.13ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG817695370

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG817695370

Diamond specifications and retailer prices

From HK$17,824 HKD
As of November 4, 2026
Save HK$59,247 HKD (77%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$112,108 HKD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 3.13ct lab-grown heart diamond

This 3.13ct 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 LG817695370 or 817695370. Listed at 21 retailers as of November 4, 2026, with a 332% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.13
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817695370
Dimensions8.35 × 10.06 × 6.08 mm
L/W Ratio1.20
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
8.35 mm10.06 mm3.13 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817695370
Side View
Table 58.0%Crown 37.3°Girdle: MED-STKPavilion 39°Culet: NoneDepth 60.4%

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$76,098 HKD|Low: HK$17,824 HKD|High: HK$94,142 HKD|Avg: HK$39,145 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
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Retailer 13
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Retailer 19
November 5, 2026
Retailer 9HK$17,824 HKD
Retailer 16HK$19,393 HKD
Retailer 2HK$19,958 HKD
Retailer 5HK$20,672 HKD
Retailer 10HK$21,708 HKD
Retailer 17HK$21,967 HKD
Retailer 11HK$22,822 HKD
Retailer 18HK$26,917 HKD
Retailer 13HK$28,180 HKD
Retailer 14HK$28,415 HKD
Retailer 4HK$29,184 HKD
Retailer 15HK$32,283 HKD
Retailer 3HK$48,154 HKD
Retailer 6HK$53,606 HKD
Retailer 12HK$55,944 HKD
Retailer 8HK$70,356 HKD
Retailer 19HK$72,223 HKD
Brilliant EarthHK$76,098 HKD
Retailer 7HK$77,071 HKD

27 data points across 19 retailers

21 retailersHK$17,824 HKD to HK$77,071 HKD

A
Cheapest Retailer
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HK$17,824 HKD
A
Retailer 2
-
HK$19,393 HKD
View
A
Retailer 3
-
HK$19,958 HKD
View
Final sale: no returns
A
Retailer 4
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HK$20,672 HKD
View
A
Retailer 5
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HK$21,708 HKD
View
A
Retailer 6
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HK$21,967 HKD
View
Retailer 7
-
HK$22,822 HKD
View
Price last confirmed 24 days ago
A
Retailer 8
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HK$26,917 HKD
View
A
Retailer 9
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HK$28,180 HKD
View
A
Retailer 10
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HK$28,415 HKD
View
A
Retailer 11
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HK$29,184 HKD
View
B+
Retailer 12
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HK$32,283 HKD
View
B+
Retailer 13
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HK$48,154 HKD
View
B+
Retailer 14
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HK$53,340 HKD
View
B+
Retailer 15
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HK$53,606 HKD
View
B+
Retailer 16
-
HK$55,944 HKD
View
B
Retailer 17
-
HK$70,356 HKD
View
B+
Retailer 18
-
HK$72,223 HKD
View
B
Retailer 19
-
HK$76,098 HKD
View
B
Retailer 20
-
HK$77,071 HKD
View
Most Expensive
Brilliant Earth
20879677A · Sep 28
HK$112,108 HKD
$14,290 USD
View
Price last confirmed 38 days ago
20 more retailers have this diamond
Prices start from HK$17,824 HKDSave up to HK$59,247 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
3.13ct Heart
HK$17,824 HKD