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Marquise|Lab Grown|IGI

1.01ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG818663597

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818663597

Diamond specifications and retailer prices

From HK$1,946 HKD
$248 USD
As of October 30, 2026
Save HK$8,622 HKD (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$15,691 HKD at Brilliant Earth · As of September 19, 2026
View at Brilliant Earth

About this 1.01ct lab-grown marquise diamond

This 1.01ct 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 LG818663597 or 818663597. Listed at 23 retailers as of October 30, 2026, with a 443% 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

1.01
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818663597
Dimensions10.37 × 5.27 × 3.30 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.37 mm5.27 mm1.01 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818663597
Side View
Table 56.0%Crown 34.2°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 62.6%

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$3,232 HKD|Low: HK$1,867 HKD|High: HK$10,568 HKD|Avg: HK$4,775 HKD|-15.9%
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
October 30, 2026
Retailer 4HK$1,946 HKD
Retailer 18HK$2,173 HKD
Retailer 8HK$2,260 HKD
Retailer 5HK$2,416 HKD
Retailer 9HK$2,416 HKD
Retailer 12HK$2,560 HKD
Retailer 1HK$3,232 HKD
Retailer 13HK$3,855 HKD
Retailer 15HK$4,146 HKD
Retailer 11HK$4,588 HKD
Retailer 6HK$4,733 HKD
Retailer 10HK$4,802 HKD
Retailer 16HK$5,875 HKD
Retailer 17HK$6,065 HKD
Retailer 7HK$7,759 HKD
Retailer 3HK$8,302 HKD
Retailer 14HK$9,725 HKD
Retailer 2HK$10,568 HKD

38 data points across 18 retailers

23 retailersHK$1,946 HKD to HK$10,568 HKD

A
Cheapest Retailer
-
HK$1,946 HKD
$248 USD
A
Retailer 2
-
HK$2,173 HKD
$277 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,260 HKD
$288 USD
View
A
Retailer 4
-
HK$2,416 HKD
$308 USD
View
A
Retailer 5
-
HK$2,416 HKD
$308 USD
View
A
Retailer 6
-
HK$2,560 HKD
£257 GBP
View
A
Retailer 7
-
HK$3,232 HKD
$412 USD
View
A
Retailer 8
-
HK$3,855 HKD
€468 EUR
View
A
Retailer 9
-
HK$4,146 HKD
ZAR 8,537 ZAR
View
A
Retailer 10
-
HK$4,535 HKD
$578 USD
View
A
Retailer 11
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HK$4,588 HKD
£460 GBP
View
A
Retailer 12
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HK$4,733 HKD
A$928 AUD
View
A
Retailer 13
-
HK$4,802 HKD
$612 USD
View
B+
Retailer 14
-
HK$5,021 HKD
$640 USD
View
B+
Retailer 15
-
HK$5,875 HKD
A$1,152 AUD
View
B+
Retailer 16
-
HK$6,065 HKD
$773 USD
View
B+
Retailer 17
-
HK$7,759 HKD
$989 USD
View
B
Retailer 18
-
HK$8,164 HKD
$1,041 USD
View
Retailer 19
-
HK$8,302 HKD
A$1,628 AUD
View
Price last confirmed 22 days ago
B
Retailer 20
-
HK$8,418 HKD
$1,073 USD
View
B+
Retailer 21
-
HK$9,725 HKD
£976 GBP
View
B
Retailer 22
-
HK$10,568 HKD
$1,347 USD
View
Most Expensive
Brilliant Earth
21103692A · Sep 19
HK$15,691 HKD
$2,000 USD
View
Price last confirmed 41 days ago
22 more retailers have this diamond
Prices start from HK$1,946 HKDSave up to HK$8,622 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
1.01ct Marquise
HK$1,946 HKD