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Round|Lab Grown|IGI

3.09ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG743594170

Shape and cutting style on the report: Round brilliant

Certificate IGI LG743594170

Diamond specifications and retailer prices

From HK$6,583 HKD
$839 USD
As of October 29, 2026
Save HK$72,424 HKD (92%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: HK$79,006 HKD at Brilliant Earth · As of October 31, 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 LG743594170 or 743594170. Listed at 28 retailers as of October 29, 2026, with prices from HK$6,583 to HK$79,006, a HK$72,424 spread on the same certified stone. Brilliant Earth lists it at HK$79,006. 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 angle34.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743594170
Dimensions9.42 × 9.37 × 5.72 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
Top View
9.42 mm9.37 mm3.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743594170
Side View
Table 58.0%Crown 34.2°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.9%

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$79,006 HKD|Low: HK$6,583 HKD|High: HK$79,006 HKD|Avg: HK$24,878 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
Retailer 20
Retailer 21
November 1, 2026
Retailer 3HK$6,583 HKD
Retailer 21HK$7,163 HKD
Retailer 7HK$7,634 HKD
Retailer 16HK$9,023 HKD
Retailer 6HK$10,077 HKD
Retailer 12HK$12,632 HKD
Retailer 2HK$12,934 HKD
Retailer 15HK$13,411 HKD
Retailer 17HK$17,482 HKD
Retailer 8HK$17,551 HKD
Retailer 13HK$19,027 HKD
Retailer 18HK$19,564 HKD
Retailer 4HK$23,686 HKD
Retailer 9HK$23,882 HKD
Retailer 10HK$25,128 HKD
Retailer 19HK$28,726 HKD
Retailer 14HK$40,165 HKD
Retailer 5HK$43,073 HKD
Retailer 11HK$58,450 HKD
Retailer 20HK$73,389 HKD
Brilliant EarthHK$79,006 HKD

34 data points across 21 retailers

28 retailersHK$6,583 HKD to HK$79,006 HKD

A
Cheapest Retailer
-
HK$6,583 HKD
$839 USD
A
Retailer 2
-
HK$7,163 HKD
$913 USD
View
A
Retailer 3
-
HK$7,634 HKD
$973 USD
View
A
Retailer 4
-
HK$8,324 HKD
$1,061 USD
View
Final sale: no returns
A
Retailer 5
-
HK$9,023 HKD
$1,150 USD
View
A
Retailer 6
-
HK$9,948 HKD
$1,268 USD
View
Retailer 7
-
HK$10,077 HKD
£1,011 GBP
View
Price last confirmed 15 days ago
A
Retailer 8
-
HK$10,745 HKD
View
A
Retailer 9
-
HK$12,632 HKD
$1,610 USD
View
A
Retailer 10
-
HK$12,934 HKD
£1,298 GBP
View
A
Retailer 11
-
HK$13,411 HKD
€1,628 EUR
View
A
Retailer 12
-
HK$14,538 HKD
$1,853 USD
View
A
Retailer 13
-
HK$17,482 HKD
A$3,428 AUD
View
A
Retailer 14
-
HK$17,551 HKD
$2,237 USD
View
A
Retailer 15
-
HK$19,027 HKD
A$3,731 AUD
View
A
Retailer 16
-
HK$19,564 HKD
ZAR 40,284 ZAR
View
A
Retailer 17
-
HK$21,547 HKD
$2,746 USD
View
B+
Retailer 18
-
HK$23,686 HKD
$3,019 USD
View
B+
Retailer 19
-
HK$23,882 HKD
$3,044 USD
View
B+
Retailer 20
-
HK$25,128 HKD
$3,203 USD
View
B+
Retailer 21
-
HK$28,726 HKD
£2,883 GBP
View
B+
Retailer 22
-
HK$30,027 HKD
$3,827 USD
View
B+
Retailer 23
-
HK$31,212 HKD
SGD 5,376 SGD
View
Retailer 24
-
HK$40,165 HKD
A$7,876 AUD
View
Price last confirmed 29 days ago
Retailer 25
-
HK$43,073 HKD
$5,490 USD
View
Price last confirmed 14 days ago
B
Retailer 26
-
HK$58,450 HKD
$7,450 USD
View
B
Retailer 27
-
HK$73,389 HKD
$9,354 USD
View
Most Expensive
B
Brilliant Earth
18652381Y · Oct 31
HK$79,006 HKD
$10,070 USD
View
27 more retailers have this diamond
Prices start from HK$6,583 HKDSave up to HK$72,424 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$6,583 HKD