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Round|Lab Grown|IGI

3.09ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG715540666

Shape and cutting style on the report: Round brilliant

Certificate IGI LG715540666

Diamond specifications and retailer prices

From HK$6,096 HKD
$777 USD
As of October 29, 2026
Save HK$83,659 HKD (93%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: HK$89,755 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.09ct lab-grown round diamond

This 3.09ct lab-grown round 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 LG715540666 or 715540666. Listed at 26 retailers as of October 29, 2026, with prices from HK$6,096 to HK$89,755, a HK$83,659 spread on the same certified stone. Brilliant Earth lists it at HK$89,755. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG715540666
Dimensions9.45 × 9.37 × 5.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.45 mm9.37 mm3.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG715540666
Side View
Table 58.0%Crown 34.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.9%

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$89,755 HKD|Low: HK$6,630 HKD|High: HK$89,755 HKD|Avg: HK$23,857 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
October 30, 2026
Retailer 11HK$6,630 HKD
Retailer 6HK$6,818 HKD
Retailer 15HK$8,473 HKD
Retailer 7HK$11,431 HKD
Retailer 14HK$11,879 HKD
Retailer 2HK$11,958 HKD
Retailer 4HK$15,697 HKD
Retailer 18HK$16,813 HKD
Retailer 16HK$17,614 HKD
Retailer 12HK$18,123 HKD
Retailer 8HK$23,605 HKD
Retailer 9HK$23,874 HKD
Retailer 10HK$27,833 HKD
Retailer 5HK$27,852 HKD
Retailer 13HK$29,414 HKD
Retailer 19HK$36,799 HKD
Retailer 17HK$42,798 HKD
Retailer 3HK$54,135 HKD
Brilliant EarthHK$89,755 HKD

40 data points across 19 retailers

26 retailersHK$6,096 HKD to HK$89,755 HKD

A
Cheapest Retailer
-
HK$6,096 HKD
$777 USD
A
Retailer 2
-
HK$6,630 HKD
$845 USD
View
A
Retailer 3
-
HK$6,818 HKD
$869 USD
View
Final sale: no returns
A
Retailer 4
-
HK$7,069 HKD
$901 USD
View
Retailer 5
-
HK$7,069 HKD
$901 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
HK$8,473 HKD
$1,080 USD
View
A
Retailer 7
-
HK$9,641 HKD
View
A
Retailer 8
-
HK$11,431 HKD
$1,457 USD
View
A
Retailer 9
-
HK$11,879 HKD
€1,442 EUR
View
A
Retailer 10
-
HK$11,958 HKD
£1,200 GBP
View
A
Retailer 11
-
HK$13,220 HKD
$1,685 USD
View
A
Retailer 12
-
HK$15,697 HKD
A$3,078 AUD
View
A
Retailer 13
-
HK$16,813 HKD
$2,143 USD
View
Retailer 14
-
HK$17,614 HKD
A$3,454 AUD
View
Price last confirmed 9 days ago
A
Retailer 15
-
HK$18,123 HKD
ZAR 37,318 ZAR
View
A
Retailer 16
-
HK$21,944 HKD
$2,797 USD
View
A
Retailer 17
-
HK$23,600 HKD
$3,008 USD
View
B+
Retailer 18
-
HK$23,605 HKD
$3,009 USD
View
A
Retailer 19
-
HK$23,874 HKD
$3,043 USD
View
B+
Retailer 20
-
HK$27,833 HKD
SGD 4,794 SGD
View
B+
Retailer 21
-
HK$27,852 HKD
$3,550 USD
View
B+
Retailer 22
-
HK$29,414 HKD
£2,952 GBP
View
Retailer 23
-
HK$36,799 HKD
A$7,216 AUD
View
Price last confirmed 21 days ago
Retailer 24
-
HK$42,798 HKD
$5,455 USD
View
Price last confirmed 9 days ago
B
Retailer 25
-
HK$54,135 HKD
$6,900 USD
View
Most Expensive
B
Brilliant Earth
19794198Y · Oct 29
HK$89,755 HKD
$11,440 USD
View
25 more retailers have this diamond
Prices start from HK$6,096 HKDSave up to HK$83,659 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 Round
HK$6,096 HKD