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Marquise|Lab Grown|IGI

1.05ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG811619626

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811619626

Diamond specifications and retailer prices

From HK$3,209 HKD
$409 USD
As of October 30, 2026
Save HK$14,287 HKD (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$17,496 HKD at Brilliant Earth · As of October 31, 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 LG811619626 or 811619626. Listed at 21 retailers as of October 30, 2026, with prices from HK$3,209 to HK$17,496, a HK$14,287 spread on the same certified stone. Brilliant Earth lists it at HK$17,496. 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 angle32.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811619626
Dimensions10.92 × 5.27 × 3.25 mm
L/W Ratio2.07
Girdle conditionFaceted
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
10.92 mm5.27 mm1.05 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811619626
Side View
Table 60.0%Crown 32.4°Girdle: THN-STKPavilion 40.5°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: Oct 30
Current: HK$17,496 HKD|Low: HK$3,076 HKD|High: HK$17,496 HKD|Avg: HK$7,326 HKD
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
November 1, 2026
Retailer 3HK$3,209 HKD
Retailer 9HK$3,593 HKD
Retailer 15HK$3,593 HKD
Retailer 16HK$3,978 HKD
Retailer 17HK$3,978 HKD
Retailer 14HK$4,943 HKD
Retailer 6HK$5,335 HKD
Retailer 8HK$5,727 HKD
Retailer 10HK$6,310 HKD
Retailer 12HK$6,313 HKD
Retailer 2HK$6,541 HKD
Retailer 13HK$6,835 HKD
Retailer 5HK$9,548 HKD
Retailer 7HK$10,532 HKD
Retailer 4HK$12,788 HKD
Retailer 11HK$15,624 HKD
Brilliant EarthHK$17,496 HKD

44 data points across 17 retailers

21 retailersHK$3,209 HKD to HK$17,496 HKD

A
Cheapest Retailer
-
HK$3,209 HKD
$409 USD
A
Retailer 2
-
HK$3,593 HKD
$458 USD
View
Final sale: no returns
A
Retailer 3
-
HK$3,593 HKD
$458 USD
View
A
Retailer 4
-
HK$3,978 HKD
$507 USD
View
A
Retailer 5
-
HK$3,978 HKD
$507 USD
View
A
Retailer 6
-
HK$4,943 HKD
$630 USD
View
A
Retailer 7
-
HK$5,272 HKD
$672 USD
View
A
Retailer 8
-
HK$5,335 HKD
$680 USD
View
B+
Retailer 9
-
HK$5,727 HKD
$730 USD
View
B+
Retailer 10
-
HK$6,310 HKD
€766 EUR
View
B+
Retailer 11
-
HK$6,313 HKD
A$1,238 AUD
View
B+
Retailer 12
-
HK$6,541 HKD
£656 GBP
View
B+
Retailer 13
-
HK$6,835 HKD
ZAR 14,073 ZAR
View
B
Retailer 14
-
HK$9,548 HKD
$1,217 USD
View
B
Retailer 15
-
HK$10,532 HKD
SGD 1,814 SGD
View
B
Retailer 16
-
HK$11,598 HKD
£1,164 GBP
View
B
Retailer 17
-
HK$12,788 HKD
$1,630 USD
View
B
Retailer 18
-
HK$13,059 HKD
$1,664 USD
View
B
Retailer 19
-
HK$14,592 HKD
$1,860 USD
View
B
Retailer 20
-
HK$15,624 HKD
£1,568 GBP
View
Most Expensive
B
Brilliant Earth
20986651A · Oct 31
HK$17,496 HKD
$2,230 USD
View
20 more retailers have this diamond
Prices start from HK$3,209 HKDSave up to HK$14,287 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$3,209 HKD