CaratHunter
Plans
Round|Lab Grown|IGI

3.09ct G IF Round Lab Grown Diamond

EX • G/IF • IGI LG669421282

Shape and cutting style on the report: Round brilliant

Certificate IGI LG669421282

Diamond specifications and retailer prices

From HK$6,041 HKD
$770 USD
As of November 1, 2026
Save HK$40,329 HKD (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$46,370 HKD at Brilliant Earth · As of November 2, 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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG669421282 or 669421282. Listed at 21 retailers as of November 1, 2026, with prices from HK$6,041 to HK$46,370, a HK$40,329 spread on the same certified stone. Brilliant Earth lists it at HK$46,370. 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
G
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669421282
Dimensions9.26 × 9.31 × 5.82 mm
L/W Ratio1.01
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 Faint Blue
Top View
9.26 mm9.31 mm3.09 ctG / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669421282
Side View
Table 57.0%Crown 36.5°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.7%

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 1
Current: HK$46,370 HKD|Low: HK$5,798 HKD|High: HK$65,750 HKD|Avg: HK$17,078 HKD|-29.5%
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
Retailer 20
November 2, 2026
Retailer 19HK$6,041 HKD
Retailer 10HK$6,567 HKD
Retailer 20HK$6,763 HKD
Retailer 3HK$7,007 HKD
Retailer 11HK$8,135 HKD
Retailer 18HK$8,395 HKD
Retailer 5HK$9,353 HKD
Retailer 7HK$10,027 HKD
Retailer 14HK$10,697 HKD
Retailer 13HK$12,325 HKD
Retailer 2HK$15,355 HKD
Retailer 15HK$15,820 HKD
Retailer 17HK$16,263 HKD
Retailer 4HK$18,948 HKD
Retailer 6HK$19,694 HKD
Retailer 12HK$23,544 HKD
Retailer 8HK$23,680 HKD
Retailer 9HK$24,188 HKD
Retailer 16HK$26,396 HKD
Brilliant EarthHK$46,370 HKD

40 data points across 20 retailers

21 retailersHK$6,041 HKD to HK$46,370 HKD

A
Cheapest Retailer
-
HK$6,041 HKD
$770 USD
A
Retailer 2
-
HK$6,567 HKD
$837 USD
View
A
Retailer 3
-
HK$6,763 HKD
$862 USD
View
Final sale: no returns
Retailer 4
-
HK$7,007 HKD
$893 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
HK$7,007 HKD
$893 USD
View
A
Retailer 6
-
HK$8,135 HKD
View
A
Retailer 7
-
HK$8,395 HKD
$1,070 USD
View
A
Retailer 8
-
HK$9,353 HKD
$1,192 USD
View
A
Retailer 9
-
HK$10,027 HKD
$1,278 USD
View
A
Retailer 10
-
HK$10,697 HKD
£1,074 GBP
View
A
Retailer 11
-
HK$12,325 HKD
€1,496 EUR
View
B+
Retailer 12
-
HK$15,355 HKD
$1,957 USD
View
B+
Retailer 13
-
HK$15,820 HKD
A$3,102 AUD
View
B+
Retailer 14
-
HK$16,263 HKD
ZAR 33,485 ZAR
View
B+
Retailer 15
-
HK$18,948 HKD
$2,415 USD
View
B+
Retailer 16
-
HK$19,694 HKD
$2,510 USD
View
B+
Retailer 17
-
HK$23,544 HKD
SGD 4,055 SGD
View
B+
Retailer 18
-
HK$23,680 HKD
$3,018 USD
View
B+
Retailer 19
-
HK$24,188 HKD
$3,083 USD
View
B+
Retailer 20
-
HK$26,396 HKD
£2,649 GBP
View
Most Expensive
B
Brilliant Earth
15028441A · Nov 2
HK$46,370 HKD
$5,910 USD
View
20 more retailers have this diamond
Prices start from HK$6,041 HKDSave up to HK$40,329 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$6,041 HKD