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Heart|Lab Grown|IGI

3.09ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG631459350

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG631459350

Diamond specifications and retailer prices

From HK$11,158 HKD
$1,422 USD
As of October 29, 2026
Save HK$38,589 HKD (78%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$49,746 HKD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.09ct lab-grown heart diamond

This 3.09ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG631459350 or 631459350. Listed at 24 retailers as of October 28, 2026, with prices from HK$11,158 to HK$49,746, a HK$38,589 spread on the same certified stone. Brilliant Earth lists it at HK$49,746. 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

3.09
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631459350
Dimensions9.87 × 9.87 × 9.32 mm
L/W Ratio1.00
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
9.87 mm9.87 mm3.09 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631459350
Side View
Table 61.0%Crown 36.8°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 60.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: HK$49,746 HKD|Low: HK$2,498 HKD|High: HK$49,746 HKD|Avg: HK$25,123 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
October 30, 2026
Retailer 12HK$11,158 HKD
Retailer 13HK$12,907 HKD
Retailer 5HK$13,990 HKD
Retailer 2HK$16,296 HKD
Retailer 16HK$17,403 HKD
Retailer 11HK$18,570 HKD
Retailer 7HK$19,588 HKD
Retailer 4HK$21,554 HKD
Retailer 17HK$24,646 HKD
Retailer 15HK$26,159 HKD
Retailer 10HK$26,855 HKD
Retailer 6HK$29,921 HKD
Retailer 3HK$31,778 HKD
Retailer 9HK$36,173 HKD
Retailer 14HK$37,209 HKD
Retailer 8HK$40,585 HKD
Brilliant EarthHK$49,746 HKD

41 data points across 17 retailers

24 retailersHK$11,158 HKD to HK$49,746 HKD

Retailer 1
-
HK$9,973 HKD
$1,271 USD
Price last confirmed 21 days ago
Retailer 2
-
HK$10,844 HKD
$1,382 USD
View
Price last confirmed 31 days ago
A
Retailer 3
-
HK$11,158 HKD
$1,422 USD
View
Final sale: no returns
Retailer 4
-
HK$11,409 HKD
$1,454 USD
View
Price last confirmed 35 days ago
Retailer 5
-
HK$11,566 HKD
$1,474 USD
View
Price last confirmed 26 days ago
Retailer 6
-
HK$11,566 HKD
$1,474 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
HK$12,907 HKD
$1,645 USD
View
A
Retailer 8
-
HK$13,990 HKD
$1,783 USD
View
A
Retailer 9
-
HK$16,296 HKD
£1,635 GBP
View
Retailer 10
-
HK$16,756 HKD
£1,681 GBP
View
Price last confirmed 17 days ago
A
Retailer 11
-
HK$17,403 HKD
$2,218 USD
View
A
Retailer 12
-
HK$18,570 HKD
€2,254 EUR
View
A
Retailer 13
-
HK$21,554 HKD
$2,747 USD
View
Retailer 14
-
HK$21,680 HKD
$2,763 USD
View
Price last confirmed 29 days ago
A
Retailer 15
-
HK$24,646 HKD
$3,141 USD
View
Retailer 16
-
HK$26,159 HKD
A$5,129 AUD
View
Price last confirmed 7 days ago
A
Retailer 17
-
HK$26,855 HKD
ZAR 55,292 ZAR
View
B+
Retailer 18
-
HK$29,921 HKD
$3,813 USD
View
B+
Retailer 19
-
HK$31,778 HKD
$4,050 USD
View
B+
Retailer 20
-
HK$33,182 HKD
$4,229 USD
View
B+
Retailer 21
-
HK$36,173 HKD
$4,610 USD
View
B+
Retailer 22
-
HK$37,209 HKD
£3,734 GBP
View
B+
Retailer 23
-
HK$40,585 HKD
$5,172 USD
View
Most Expensive
B
Brilliant Earth
10240530A · Oct 28
HK$49,746 HKD
$6,340 USD
View
23 more retailers have this diamond
Prices start from HK$11,158 HKDSave up to HK$38,589 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
3.09ct Heart
HK$11,158 HKD