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Marquise|Lab Grown|IGI

1.05ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG819621009

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG819621009

Diamond specifications and retailer prices

From HK$2,001 HKD
$255 USD
As of October 30, 2026
Save HK$12,358 HKD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$14,358 HKD at Brilliant Earth · As of October 28, 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 LG819621009 or 819621009. Listed at 20 retailers as of October 28, 2026, with prices from HK$2,001 to HK$14,358, a HK$12,358 spread on the same certified stone. Brilliant Earth lists it at HK$14,358. 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 angle35.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819621009
Dimensions10.44 × 5.25 × 3.33 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.44 mm5.25 mm1.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819621009
Side View
Table 60.0%Crown 35.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.4%

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$14,358 HKD|Low: HK$1,914 HKD|High: HK$14,358 HKD|Avg: HK$5,093 HKD|+1.7%
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
November 1, 2026
Retailer 13HK$2,001 HKD
Retailer 12HK$2,228 HKD
Retailer 3HK$2,479 HKD
Retailer 4HK$3,437 HKD
Retailer 10HK$3,727 HKD
Retailer 7HK$4,177 HKD
Retailer 9HK$4,257 HKD
Retailer 6HK$4,725 HKD
Retailer 5HK$4,990 HKD
Retailer 8HK$6,028 HKD
Retailer 11HK$6,465 HKD
Retailer 2HK$9,935 HKD
Brilliant EarthHK$14,358 HKD

43 data points across 13 retailers

20 retailersHK$2,001 HKD to HK$14,358 HKD

A
Cheapest Retailer
-
HK$2,001 HKD
$255 USD
A
Retailer 2
-
HK$2,228 HKD
$284 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,315 HKD
$295 USD
View
Retailer 4
-
HK$2,479 HKD
$316 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$2,479 HKD
$316 USD
View
A
Retailer 6
-
HK$3,437 HKD
$438 USD
View
A
Retailer 7
-
HK$3,727 HKD
$475 USD
View
A
Retailer 8
-
HK$4,177 HKD
€507 EUR
View
A
Retailer 9
-
HK$4,257 HKD
ZAR 8,766 ZAR
View
A
Retailer 10
-
HK$4,725 HKD
£474 GBP
View
A
Retailer 11
-
HK$4,857 HKD
$619 USD
View
A
Retailer 12
-
HK$4,990 HKD
$636 USD
View
B+
Retailer 13
-
HK$6,028 HKD
A$1,182 AUD
View
B+
Retailer 14
-
HK$6,465 HKD
$824 USD
View
B+
Retailer 15
-
HK$6,845 HKD
SGD 1,179 SGD
View
Retailer 16
-
HK$7,611 HKD
$970 USD
View
Price last confirmed 17 days ago
B+
Retailer 17
-
HK$7,964 HKD
$1,015 USD
View
B+
Retailer 18
-
HK$8,369 HKD
$1,067 USD
View
B+
Retailer 19
-
HK$9,935 HKD
£997 GBP
View
Most Expensive
B
Brilliant Earth
20714959A · Oct 28
HK$14,358 HKD
$1,830 USD
View
19 more retailers have this diamond
Prices start from HK$2,001 HKDSave up to HK$12,358 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$2,001 HKD