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Round|Lab Grown|IGI

3.09ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG815611581

Shape and cutting style on the report: Round brilliant

Certificate IGI LG815611581

Diamond specifications and retailer prices

From HK$4,998 HKD
$637 USD
As of October 29, 2026
Save HK$19,544 HKD (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$45,034 HKD at Rare Carat · As of October 21, 2026
View at Rare Carat

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 LG815611581 or 815611581. Listed at 20 retailers as of October 29, 2026, with a 391% 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

3.09
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815611581
Dimensions9.43 × 9.39 × 5.70 mm
L/W Ratio1.00
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
9.43 mm9.39 mm3.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815611581
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.6%

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 29
Current: HK$45,034 HKD|Low: HK$4,794 HKD|High: HK$45,701 HKD|Avg: HK$12,926 HKD|-1.5%
Rare Carat
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
October 30, 2026
Retailer 3HK$4,998 HKD
Retailer 6HK$5,437 HKD
Retailer 9HK$5,594 HKD
Retailer 4HK$5,798 HKD
Retailer 18HK$5,798 HKD
Retailer 2HK$7,088 HKD
Retailer 10HK$8,207 HKD
Retailer 17HK$8,489 HKD
Retailer 14HK$8,513 HKD
Retailer 11HK$9,222 HKD
Retailer 15HK$13,162 HKD
Retailer 13HK$13,453 HKD
Retailer 16HK$14,797 HKD
Retailer 5HK$16,288 HKD
Retailer 8HK$19,771 HKD
Retailer 7HK$20,297 HKD
Retailer 12HK$24,541 HKD
Rare CaratHK$45,034 HKD

43 data points across 18 retailers

20 retailersHK$4,998 HKD to HK$24,541 HKD

A
Cheapest Retailer
-
HK$4,998 HKD
$637 USD
A
Retailer 2
-
HK$5,437 HKD
$693 USD
View
A
Retailer 3
-
HK$5,594 HKD
$713 USD
View
Final sale: no returns
Retailer 4
-
HK$5,798 HKD
$739 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
HK$5,798 HKD
$739 USD
View
A
Retailer 6
-
HK$7,088 HKD
£711 GBP
View
A
Retailer 7
-
HK$8,207 HKD
$1,046 USD
View
A
Retailer 8
-
HK$8,489 HKD
$1,082 USD
View
A
Retailer 9
-
HK$8,513 HKD
$1,085 USD
View
A
Retailer 10
-
HK$9,222 HKD
£926 GBP
View
Retailer 11
-
HK$13,162 HKD
A$2,581 AUD
View
Price last confirmed 10 days ago
A
Retailer 12
-
HK$13,453 HKD
ZAR 27,701 ZAR
View
A
Retailer 13
-
HK$14,797 HKD
$1,886 USD
View
A
Retailer 14
-
HK$16,288 HKD
$2,076 USD
View
A
Retailer 15
-
HK$16,633 HKD
$2,120 USD
View
A
Retailer 16
-
HK$19,771 HKD
$2,520 USD
View
A
Retailer 17
-
HK$19,996 HKD
$2,549 USD
View
A
Retailer 18
-
HK$20,297 HKD
$2,587 USD
View
B+
Retailer 19
-
HK$24,541 HKD
£2,463 GBP
View
Most Expensive
Rare Carat
VK 4974_l_815611581 · Oct 21
HK$45,034 HKD
$5,740 USD
View
Price last confirmed 9 days ago
19 more retailers have this diamond
Prices start from HK$4,998 HKDSave up to HK$19,544 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$4,998 HKD