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Marquise|Lab Grown|IGI

3.09ct F IF Marquise Lab Grown Diamond

ID • F/IF • IGI LG843628218

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843628218

Diamond specifications and retailer prices

From HK$10,639 HKD
$1,356 USD
As of October 31, 2026
Save HK$60,495 HKD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$71,134 HKD at Novita Diamonds · As of October 31, 2026
View at Novita Diamonds

About this 3.09ct lab-grown marquise diamond

This 3.09ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG843628218 or 843628218. Listed at 18 retailers as of October 31, 2026, with prices from HK$10,639 to HK$71,134, a HK$60,495 spread on the same certified stone. Novita Diamonds lists it at HK$71,134. 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
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843628218
Dimensions15.57 × 7.51 × 4.69 mm
L/W Ratio2.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.57 mm7.51 mm3.09 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843628218
Side View
Table 59.0%Crown 35.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.5%

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 31
Current: HK$71,134 HKD|Low: HK$10,639 HKD|High: HK$74,616 HKD|Avg: HK$28,128 HKD
Novita 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
November 2, 2026
Retailer 15HK$10,639 HKD
Retailer 10HK$11,241 HKD
Retailer 4HK$11,573 HKD
Retailer 9HK$14,609 HKD
Retailer 11HK$14,807 HKD
Retailer 5HK$16,584 HKD
Retailer 2HK$19,317 HKD
Retailer 13HK$23,067 HKD
Retailer 17HK$23,717 HKD
Retailer 6HK$24,519 HKD
Retailer 16HK$28,220 HKD
Retailer 3HK$28,230 HKD
Retailer 12HK$32,813 HKD
Retailer 7HK$35,728 HKD
Retailer 8HK$36,963 HKD
Retailer 14HK$52,177 HKD
Novita DiamondsHK$71,134 HKD

13 data points across 17 retailers

18 retailersHK$10,639 HKD to HK$71,134 HKD

A
Cheapest Retailer
-
HK$10,639 HKD
$1,356 USD
Final sale: no returns
A
Retailer 2
-
HK$11,241 HKD
£1,128 GBP
View
A
Retailer 3
-
HK$11,573 HKD
$1,475 USD
View
A
Retailer 4
-
HK$14,609 HKD
$1,862 USD
View
A
Retailer 5
-
HK$14,807 HKD
£1,486 GBP
View
Retailer 6
-
HK$16,584 HKD
€2,013 EUR
View
Price last confirmed 8 days ago
A
Retailer 7
-
HK$19,317 HKD
$2,462 USD
View
B+
Retailer 8
-
HK$23,067 HKD
A$4,523 AUD
View
B+
Retailer 9
-
HK$23,717 HKD
ZAR 48,834 ZAR
View
B+
Retailer 10
-
HK$24,519 HKD
$3,125 USD
View
B+
Retailer 11
-
HK$28,220 HKD
£2,832 GBP
View
B+
Retailer 12
-
HK$28,230 HKD
$3,598 USD
View
B+
Retailer 13
-
HK$32,813 HKD
£3,293 GBP
View
B+
Retailer 14
-
HK$35,728 HKD
$4,554 USD
View
B+
Retailer 15
-
HK$36,963 HKD
$4,711 USD
View
Retailer 16
-
HK$44,644 HKD
$5,690 USD
View
B
Retailer 17
-
HK$52,177 HKD
$6,650 USD
View
Most Expensive
B
Novita Diamonds
cert_843628218 · Oct 31
HK$71,134 HKD
A$13,948 AUD
View
17 more retailers have this diamond
Prices start from HK$10,639 HKDSave up to HK$60,495 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$10,639 HKD