Round|Lab Grown|IGI

3.09ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG839676250

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839676250

Diamond specifications and retailer prices

From HK$8,152 HKD
$1,039 USD
As of October 29, 2026
Save HK$106,945 HKD (93%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$115,096 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG839676250 or 839676250. Listed at 14 retailers as of October 29, 2026, with prices from HK$8,152 to HK$115,096, a HK$106,945 spread on the same certified stone. Brilliant Earth lists it at HK$115,096. 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
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839676250
Dimensions9.34 × 9.29 × 5.75 mm
L/W Ratio1.01
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
9.34 mm9.29 mm3.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839676250
Side View
Table 58.0%Crown 35.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A+
Exceptional
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$115,096 HKD|Low: HK$8,152 HKD|High: HK$115,096 HKD|Avg: HK$24,952 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
October 31, 2026
Retailer 14HK$8,152 HKD
Retailer 13HK$9,741 HKD
Retailer 9HK$10,081 HKD
Retailer 3HK$12,082 HKD
Retailer 7HK$12,082 HKD
Retailer 2HK$12,860 HKD
Retailer 12HK$13,255 HKD
Retailer 8HK$18,790 HKD
Retailer 5HK$19,537 HKD
Retailer 10HK$19,613 HKD
Retailer 6HK$25,734 HKD
Retailer 4HK$28,338 HKD
Retailer 11HK$28,796 HKD
Brilliant EarthHK$115,096 HKD

20 data points across 14 retailers

14 retailersHK$8,152 HKD to HK$115,096 HKD

A+
Cheapest Retailer
-
HK$8,152 HKD
$1,039 USD
Final sale: no returns
A
Retailer 2
-
HK$9,741 HKD
View
A
Retailer 3
-
HK$10,081 HKD
£1,012 GBP
View
A
Retailer 4
-
HK$12,082 HKD
$1,540 USD
View
A
Retailer 5
-
HK$12,082 HKD
$1,540 USD
View
A
Retailer 6
-
HK$12,860 HKD
£1,291 GBP
View
A
Retailer 7
-
HK$13,255 HKD
€1,609 EUR
View
A
Retailer 8
-
HK$18,790 HKD
$2,395 USD
View
Retailer 9
-
HK$19,537 HKD
A$3,831 AUD
View
Price last confirmed 9 days ago
A
Retailer 10
-
HK$19,613 HKD
ZAR 40,385 ZAR
View
B+
Retailer 11
-
HK$25,734 HKD
$3,280 USD
View
B+
Retailer 12
-
HK$28,338 HKD
SGD 4,881 SGD
View
B+
Retailer 13
-
HK$28,796 HKD
£2,890 GBP
View
Most Expensive
B
Brilliant Earth
21813004A · Oct 29
HK$115,096 HKD
$14,670 USD
View
13 more retailers have this diamond
Prices start from HK$8,152 HKDSave up to HK$106,945 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$8,152 HKD