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Marquise|Lab Grown|IGI

5.05ct E SI1 Marquise Lab Grown Diamond

GD • E/SI1 • IGI LG650491267

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG650491267

Diamond specifications and retailer prices

From HK$6,269 HKD
$799 USD
As of October 31, 2026
Save HK$24,604 HKD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$30,873 HKD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 5.05ct lab-grown marquise diamond

This 5.05ct lab-grown marquise sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG650491267 or 650491267. Listed at 17 retailers as of October 28, 2026, with prices from HK$6,269 to HK$30,873, a HK$24,604 spread on the same certified stone. Rare Carat lists it at HK$30,873. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

5.05
Carat
E
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG650491267
Dimensions18.59 × 8.92 × 5.37 mm
L/W Ratio2.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.59 mm8.92 mm5.05 ctE / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG650491267
Side View
Table 58.0%Crown 32.1°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$30,873 HKD|Low: HK$4,472 HKD|High: HK$59,863 HKD|Avg: HK$16,934 HKD|-9.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 3HK$6,269 HKD
Retailer 12HK$6,496 HKD
Retailer 6HK$8,003 HKD
Retailer 13HK$10,074 HKD
Retailer 9HK$10,363 HKD
Retailer 2HK$10,420 HKD
Retailer 11HK$10,545 HKD
Retailer 8HK$16,005 HKD
Retailer 4HK$16,186 HKD
Retailer 5HK$21,200 HKD
Retailer 7HK$25,657 HKD
Rare CaratHK$30,873 HKD
Retailer 10HK$59,863 HKD

43 data points across 13 retailers

17 retailersHK$6,269 HKD to HK$30,873 HKD

Retailer 1
-
HK$5,374 HKD
$685 USD
Price last confirmed 30 days ago
Retailer 2
-
HK$6,096 HKD
$777 USD
View
Price last confirmed 33 days ago
B+
Retailer 3
-
HK$6,269 HKD
$799 USD
View
Final sale: no returns
Retailer 4
-
HK$6,410 HKD
$817 USD
View
Price last confirmed 37 days ago
Retailer 5
-
HK$6,496 HKD
$828 USD
View
Price last confirmed 29 days ago
B+
Retailer 6
-
HK$8,003 HKD
$1,020 USD
View
B+
Retailer 7
-
HK$10,074 HKD
$1,284 USD
View
B+
Retailer 8
-
HK$10,420 HKD
£1,046 GBP
View
B
Retailer 9
-
HK$10,545 HKD
$1,344 USD
View
Retailer 10
-
HK$14,091 HKD
$1,796 USD
View
Price last confirmed 24 days ago
B
Retailer 11
-
HK$16,005 HKD
$2,040 USD
View
B
Retailer 12
-
HK$16,186 HKD
$2,063 USD
View
Retailer 13
-
HK$18,273 HKD
$2,329 USD
View
Price last confirmed 31 days ago
B
Retailer 14
-
HK$21,200 HKD
$2,702 USD
View
B
Retailer 15
-
HK$22,403 HKD
$2,855 USD
View
B
Retailer 16
-
HK$25,657 HKD
£2,575 GBP
View
Most Expensive
B
Rare Carat
LM-0145_l_650491267 · Oct 28
HK$30,873 HKD
$3,935 USD
View
16 more retailers have this diamond
Prices start from HK$6,269 HKDSave up to HK$24,604 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.

B+
5.05ct Marquise
HK$6,269 HKD