Marquise|Lab Grown|IGI

5.10ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG642446508

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG642446508

Diamond specifications and retailer prices

From HK$134,201 HKD
$17,105 USD
As of October 28, 2026
Save HK$244,443 HKD (65%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: HK$378,643 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 5.1ct lab-grown marquise diamond

This 5.1ct lab-grown marquise sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG642446508 or 642446508. Listed at 29 retailers as of October 28, 2026, with prices from HK$134,201 to HK$378,643, a HK$244,443 spread on the same certified stone. MOH London lists it at HK$378,643. 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

5.10
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG642446508
Dimensions17.51 × 8.98 × 5.67 mm
L/W Ratio1.95
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
17.51 mm8.98 mm5.10 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG642446508
Side View
Table 60.0%Crown 35.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.1%

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 28
Current: HK$378,643 HKD|Low: HK$134,201 HKD|High: HK$1,102,008 HKD|Avg: HK$448,100 HKD
MOH London
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 17HK$134,201 HKD
Retailer 11HK$193,679 HKD
Retailer 10HK$205,010 HKD
Retailer 6HK$216,918 HKD
Retailer 3HK$230,099 HKD
Retailer 19HK$241,255 HKD
Retailer 21HK$256,256 HKD
Retailer 20HK$262,972 HKD
Retailer 15HK$301,706 HKD
Retailer 18HK$319,704 HKD
Retailer 4HK$334,297 HKD
MOH LondonHK$378,643 HKD
Retailer 7HK$421,957 HKD
Retailer 13HK$432,730 HKD
Retailer 16HK$504,717 HKD
Retailer 2HK$600,903 HKD
Retailer 12HK$629,279 HKD
Retailer 9HK$734,453 HKD
Retailer 8HK$827,470 HKD
Retailer 14HK$1,030,847 HKD
Retailer 5HK$1,102,008 HKD

31 data points across 21 retailers

29 retailersHK$134,201 HKD to HK$378,643 HKD

A
Cheapest Retailer
-
HK$134,201 HKD
$17,105 USD
A
Retailer 2
-
HK$193,679 HKD
$24,686 USD
View
B+
Retailer 3
-
HK$216,918 HKD
$27,648 USD
View
B+
Retailer 4
-
HK$230,099 HKD
$29,328 USD
View
Retailer 5
-
HK$230,099 HKD
$29,328 USD
View
Price last confirmed 32 days ago
B+
Retailer 6
-
HK$230,099 HKD
$29,328 USD
View
Retailer 7
-
HK$230,099 HKD
$29,328 USD
View
Price last confirmed 22 days ago
Retailer 8
-
HK$230,099 HKD
$29,328 USD
View
Price last confirmed 33 days ago
Retailer 9
-
HK$230,099 HKD
$29,328 USD
View
Price last confirmed 25 days ago
Retailer 10
-
HK$231,942 HKD
$29,563 USD
View
Price last confirmed 34 days ago
B+
Retailer 11
-
HK$241,255 HKD
$30,750 USD
View
B+
Retailer 12
-
HK$256,256 HKD
$32,662 USD
View
B+
Retailer 13
-
HK$262,972 HKD
$33,518 USD
View
Retailer 14
-
HK$263,239 HKD
$33,552 USD
View
Price last confirmed 34 days ago
Retailer 15
-
HK$266,919 HKD
$34,021 USD
View
Price last confirmed 30 days ago
Retailer 16
-
HK$266,919 HKD
$34,021 USD
View
Price last confirmed 22 days ago
B+
Retailer 17
-
HK$301,706 HKD
£30,280 GBP
View
B
Retailer 18
-
HK$319,704 HKD
$40,749 USD
View
Final sale: no returns
B+
Retailer 19
-
HK$334,297 HKD
$42,609 USD
View
Most Expensive
B
MOH London
LG642446508 · Nov 1
HK$378,643 HKD
£38,001 GBP
View
19 more retailers have this diamond
Prices start from HK$134,201 HKDSave up to HK$244,443 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
5.10ct Marquise
HK$134,201 HKD