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Marquise|Lab Grown|IGI

1.05ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG797604663

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG797604663

Diamond specifications and retailer prices

From HK$3,931 HKD
$501 USD
As of November 1, 2026
Save HK$13,330 HKD (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$17,888 HKD at Brilliant Earth · As of October 3, 2026
View at Brilliant Earth

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG797604663 or 797604663. Listed at 12 retailers as of October 31, 2026, with a 339% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797604663
Dimensions10.55 × 5.25 × 3.24 mm
L/W Ratio2.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.55 mm5.25 mm1.05 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797604663
Side View
Table 62.0%Crown 34.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.7%

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: Nov 1
Current: HK$17,261 HKD|Low: HK$1,954 HKD|High: HK$17,967 HKD|Avg: HK$8,361 HKD|-3.9%
Brilliant Earth
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
October 8, 2026
Retailer 7HK$2,997 HKD
Retailer 15HK$3,931 HKD
Retailer 4HK$4,551 HKD
Retailer 17HK$4,696 HKD
Retailer 16HK$4,802 HKD
Retailer 9HK$5,006 HKD
Retailer 19HK$5,152 HKD
Retailer 6HK$5,305 HKD
Retailer 18HK$5,395 HKD
Retailer 5HK$5,641 HKD
Retailer 13HK$6,452 HKD
Retailer 10HK$10,065 HKD
Retailer 8HK$10,600 HKD
Retailer 2HK$10,661 HKD
Retailer 11HK$12,123 HKD
Retailer 3HK$12,236 HKD
Retailer 12HK$12,585 HKD
Retailer 14HK$15,283 HKD
Brilliant EarthHK$17,261 HKD

16 data points across 19 retailers

12 retailersHK$3,931 HKD to HK$17,261 HKD

A
Cheapest Retailer
-
HK$3,931 HKD
$501 USD
A
Retailer 2
-
HK$4,802 HKD
$612 USD
View
Retailer 3
-
HK$5,152 HKD
ZAR 10,608 ZAR
View
Price last confirmed 31 days ago
B+
Retailer 4
-
HK$5,395 HKD
A$1,058 AUD
View
Retailer 5
-
HK$5,641 HKD
$719 USD
View
Price last confirmed 29 days ago
Retailer 6
-
HK$6,452 HKD
$822 USD
View
Price last confirmed 8 days ago
B
Retailer 7
-
HK$10,661 HKD
CA$1,887 CAD
View
Retailer 8
-
HK$12,236 HKD
£1,228 GBP
View
Price last confirmed 31 days ago
B
Retailer 9
-
HK$12,585 HKD
$1,604 USD
View
B
Retailer 10
-
HK$15,283 HKD
$1,948 USD
View
B
Retailer 11
-
HK$17,261 HKD
$2,200 USD
View
Most Expensive
Brilliant Earth
20481630A · Oct 3
HK$17,888 HKD
$2,280 USD
View
Price last confirmed 29 days ago
11 more retailers have this diamond
Prices start from HK$3,931 HKDSave up to HK$13,330 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
1.05ct Marquise
HK$3,931 HKD