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Marquise|Lab Grown|IGI

1.05ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG635454423

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG635454423

Diamond specifications and retailer prices

From HK$2,024 HKD
$258 USD
As of October 30, 2026
Save HK$13,903 HKD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$15,927 HKD at Brilliant Earth · As of October 30, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG635454423 or 635454423. Listed at 22 retailers as of October 30, 2026, with prices from HK$2,024 to HK$15,927, a HK$13,903 spread on the same certified stone. Brilliant Earth lists it at HK$15,927. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635454423
Dimensions10.88 × 5.30 × 3.26 mm
L/W Ratio2.05
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
10.88 mm5.30 mm1.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635454423
Side View
Table 61.0%Crown 32.3°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A+
Exceptional
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$4,751 HKD|Low: HK$1,922 HKD|High: HK$10,813 HKD|Avg: HK$4,918 HKD|+2.7%
Retailer 1
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
October 31, 2026
Retailer 21HK$2,024 HKD
Retailer 9HK$2,260 HKD
Retailer 18HK$2,346 HKD
Retailer 5HK$2,511 HKD
Retailer 16HK$2,511 HKD
Retailer 15HK$2,661 HKD
Retailer 10HK$2,812 HKD
Retailer 3HK$3,374 HKD
Retailer 12HK$3,374 HKD
Retailer 4HK$4,135 HKD
Retailer 20HK$4,310 HKD
Retailer 7HK$4,425 HKD
Retailer 1HK$4,751 HKD
Retailer 8HK$4,856 HKD
Retailer 19HK$6,104 HKD
Retailer 11HK$6,729 HKD
Retailer 2HK$7,704 HKD
Retailer 17HK$8,065 HKD
Retailer 13HK$8,467 HKD
Retailer 14HK$10,731 HKD
Retailer 6HK$10,813 HKD

25 data points across 21 retailers

22 retailersHK$2,024 HKD to HK$15,927 HKD

A+
Cheapest Retailer
-
HK$2,024 HKD
$258 USD
A
Retailer 2
-
HK$2,260 HKD
$288 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,346 HKD
$299 USD
View
A
Retailer 4
-
HK$2,511 HKD
$320 USD
View
A
Retailer 5
-
HK$2,511 HKD
$320 USD
View
A
Retailer 6
-
HK$2,661 HKD
£267 GBP
View
A
Retailer 7
-
HK$2,812 HKD
View
A
Retailer 8
-
HK$3,374 HKD
$430 USD
View
A
Retailer 9
-
HK$3,374 HKD
$430 USD
View
A
Retailer 10
-
HK$4,135 HKD
€502 EUR
View
A
Retailer 11
-
HK$4,310 HKD
ZAR 8,875 ZAR
View
A
Retailer 12
-
HK$4,425 HKD
$564 USD
View
A
Retailer 13
-
HK$4,751 HKD
£477 GBP
View
A
Retailer 14
-
HK$4,856 HKD
$619 USD
View
B+
Retailer 15
-
HK$6,104 HKD
A$1,197 AUD
View
B+
Retailer 16
-
HK$6,729 HKD
SGD 1,159 SGD
View
B+
Retailer 17
-
HK$7,704 HKD
$982 USD
View
B+
Retailer 18
-
HK$8,065 HKD
$1,028 USD
View
B+
Retailer 19
-
HK$8,467 HKD
$1,079 USD
View
Retailer 20
-
HK$10,731 HKD
£1,077 GBP
View
Price last confirmed 10 days ago
B
Retailer 21
-
HK$10,813 HKD
$1,378 USD
View
Most Expensive
B
Brilliant Earth
18876745A · Oct 30
HK$15,927 HKD
$2,030 USD
View
21 more retailers have this diamond
Prices start from HK$2,024 HKDSave up to HK$13,903 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$2,024 HKD