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Marquise|Lab Grown|IGI

3.09ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG784604230

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784604230

Diamond specifications and retailer prices

From HK$29,225 HKD
$3,725 USD
As of October 31, 2026
Save HK$120,129 HKD (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$224,465 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784604230 or 784604230. Listed at 23 retailers as of October 30, 2026, with a 411% 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
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784604230
Dimensions14.66 × 7.65 × 4.79 mm
L/W Ratio1.92
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
14.66 mm7.65 mm3.09 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784604230
Side View
Table 61.0%Crown 34.8°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.6%

Caratlytics Score

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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 31
Current: HK$224,465 HKD|Low: HK$29,225 HKD|High: HK$265,028 HKD|Avg: HK$87,112 HKD|-15.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
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Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 19HK$29,225 HKD
Retailer 11HK$32,630 HKD
Retailer 16HK$34,192 HKD
Retailer 8HK$36,530 HKD
Retailer 5HK$37,848 HKD
Retailer 18HK$38,248 HKD
Retailer 17HK$49,247 HKD
Retailer 12HK$52,205 HKD
Retailer 20HK$54,214 HKD
Retailer 2HK$54,275 HKD
Retailer 10HK$58,947 HKD
Retailer 3HK$61,196 HKD
Retailer 14HK$65,006 HKD
Retailer 15HK$86,966 HKD
Retailer 13HK$96,995 HKD
Retailer 4HK$109,264 HKD
Retailer 6HK$132,477 HKD
Retailer 9HK$143,459 HKD
Retailer 7HK$149,354 HKD
Do Amore DiamondsHK$224,465 HKD

41 data points across 20 retailers

23 retailersHK$29,225 HKD to HK$149,354 HKD

A
Cheapest Retailer
-
HK$29,225 HKD
$3,725 USD
A
Retailer 2
-
HK$32,630 HKD
$4,159 USD
View
A
Retailer 3
-
HK$34,192 HKD
$4,358 USD
View
A
Retailer 4
-
HK$36,530 HKD
$4,656 USD
View
Final sale: no returns
Retailer 5
-
HK$37,848 HKD
$4,824 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
HK$37,848 HKD
$4,824 USD
View
A
Retailer 7
-
HK$38,248 HKD
$4,875 USD
View
A
Retailer 8
-
HK$49,247 HKD
$6,277 USD
View
B+
Retailer 9
-
HK$52,205 HKD
$6,654 USD
View
B+
Retailer 10
-
HK$54,214 HKD
$6,910 USD
View
B+
Retailer 11
-
HK$54,275 HKD
£5,447 GBP
View
B+
Retailer 12
-
HK$58,947 HKD
£5,916 GBP
View
B+
Retailer 13
-
HK$61,196 HKD
$7,800 USD
View
B+
Retailer 14
-
HK$65,006 HKD
€7,891 EUR
View
B+
Retailer 15
-
HK$86,966 HKD
£8,728 GBP
View
B+
Retailer 16
-
HK$96,995 HKD
ZAR 199,722 ZAR
View
B
Retailer 17
-
HK$109,264 HKD
$13,927 USD
View
B
Retailer 18
-
HK$114,363 HKD
$14,577 USD
View
B
Retailer 19
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HK$116,179 HKD
$14,808 USD
View
B
Retailer 20
-
HK$132,477 HKD
$16,885 USD
View
B
Retailer 21
-
HK$143,459 HKD
$18,285 USD
View
B
Retailer 22
-
HK$149,354 HKD
$19,036 USD
View
Most Expensive
Do Amore Diamonds
27-A3903FB24 · Oct 31
HK$224,465 HKD
$28,610 USD
View
Price under review
22 more retailers have this diamond
Prices start from HK$29,225 HKDSave up to HK$120,129 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$29,225 HKD