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Marquise|Lab Grown|IGI

3.09ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG839608344

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839608344

Diamond specifications and retailer prices

From HK$25,969 HKD
$3,310 USD
As of October 30, 2026
Save HK$152,677 HKD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$178,647 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.09ct lab-grown marquise diamond

This 3.09ct lab-grown marquise 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 LG839608344 or 839608344. Listed at 19 retailers as of October 30, 2026, with prices from HK$25,969 to HK$178,647, a HK$152,677 spread on the same certified stone. Do Amore Diamonds lists it at HK$178,647. 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 angle36.9°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839608344
Dimensions14.67 × 7.52 × 4.73 mm
L/W Ratio1.95
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
14.67 mm7.52 mm3.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839608344
Side View
Table 58.0%Crown 36.9°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 62.9%

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 30
Current: HK$178,647 HKD|Low: HK$25,969 HKD|High: HK$339,257 HKD|Avg: HK$65,368 HKD|-2.5%
Do Amore Diamonds
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 1, 2026
Retailer 17HK$25,969 HKD
Retailer 18HK$26,801 HKD
Retailer 7HK$28,417 HKD
Retailer 16HK$28,527 HKD
Retailer 19HK$31,344 HKD
Retailer 2HK$39,567 HKD
Retailer 14HK$41,551 HKD
Retailer 15HK$41,551 HKD
Retailer 10HK$46,015 HKD
Retailer 6HK$47,019 HKD
Retailer 5HK$55,096 HKD
Retailer 9HK$60,726 HKD
Retailer 12HK$68,054 HKD
Retailer 3HK$70,902 HKD
Retailer 20HK$71,612 HKD
Retailer 8HK$78,097 HKD
Retailer 4HK$82,488 HKD
Retailer 13HK$127,003 HKD
Retailer 11HK$141,780 HKD
Do Amore DiamondsHK$178,647 HKD

30 data points across 20 retailers

19 retailersHK$25,969 HKD to HK$178,647 HKD

A
Cheapest Retailer
-
HK$25,969 HKD
$3,310 USD
A
Retailer 2
-
HK$26,801 HKD
$3,416 USD
View
A
Retailer 3
-
HK$28,417 HKD
$3,622 USD
View
A
Retailer 4
-
HK$28,527 HKD
$3,636 USD
View
A
Retailer 5
-
HK$31,344 HKD
$3,995 USD
View
A
Retailer 6
-
HK$39,567 HKD
£3,971 GBP
View
A
Retailer 7
-
HK$41,551 HKD
$5,296 USD
View
A
Retailer 8
-
HK$41,551 HKD
$5,296 USD
View
A
Retailer 9
-
HK$46,015 HKD
$5,865 USD
View
A
Retailer 10
-
HK$47,019 HKD
$5,993 USD
View
B+
Retailer 11
-
HK$55,096 HKD
€6,688 EUR
View
B+
Retailer 12
-
HK$60,726 HKD
$7,740 USD
View
Retailer 13
-
HK$68,054 HKD
$8,674 USD
View
Price last confirmed 16 days ago
B+
Retailer 14
-
HK$70,902 HKD
$9,037 USD
View
B+
Retailer 15
-
HK$71,612 HKD
£7,187 GBP
View
Retailer 16
-
HK$78,097 HKD
A$15,314 AUD
View
Price last confirmed 10 days ago
B+
Retailer 17
-
HK$82,488 HKD
$10,514 USD
View
B
Retailer 18
-
HK$127,003 HKD
A$24,904 AUD
View
Most Expensive
B
Do Amore Diamonds
27-8D06CDB17 · Oct 31
HK$178,647 HKD
$22,770 USD
View
18 more retailers have this diamond
Prices start from HK$25,969 HKDSave up to HK$152,677 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 Marquise
HK$25,969 HKD