CaratHunter
Plans
Marquise|Lab Grown|IGI

1.00ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG780663738

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780663738

Diamond specifications and retailer prices

From HK$3,113 HKD
As of October 30, 2026
Save HK$12,107 HKD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$15,221 HKD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1ct lab-grown marquise diamond

This 1ct 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 LG780663738 or 780663738. Listed at 13 retailers as of October 28, 2026, with prices from HK$3,113 to HK$15,221, a HK$12,107 spread on the same certified stone. Rare Carat lists it at HK$15,221. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780663738
Dimensions10.57 × 5.06 × 3.17 mm
L/W Ratio2.09
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
10.57 mm5.06 mm1.00 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780663738
Side View
Table 63.0%Crown 34.5°Girdle: STK-THKPavilion 40.4°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$15,221 HKD|Low: HK$3,113 HKD|High: HK$16,510 HKD|Avg: HK$7,812 HKD|-1.8%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 10HK$3,113 HKD
Retailer 4HK$3,138 HKD
Retailer 13HK$3,389 HKD
Retailer 7HK$3,732 HKD
Retailer 9HK$3,820 HKD
Retailer 11HK$3,860 HKD
Retailer 6HK$4,156 HKD
Retailer 12HK$4,833 HKD
Retailer 3HK$8,495 HKD
Retailer 8HK$8,958 HKD
Retailer 5HK$10,443 HKD
Retailer 2HK$13,338 HKD
Rare CaratHK$15,221 HKD

43 data points across 13 retailers

13 retailersHK$3,113 HKD to HK$15,221 HKD

A
Cheapest Retailer
-
HK$3,113 HKD
A
Retailer 2
-
HK$3,138 HKD
$400 USD
View
A
Retailer 3
-
HK$3,389 HKD
$432 USD
View
A
Retailer 4
-
HK$3,732 HKD
€453 EUR
View
A
Retailer 5
-
HK$3,820 HKD
ZAR 7,866 ZAR
View
A
Retailer 6
-
HK$3,860 HKD
$492 USD
View
A
Retailer 7
-
HK$4,156 HKD
£417 GBP
View
A
Retailer 8
-
HK$4,833 HKD
$616 USD
View
B+
Retailer 9
-
HK$8,495 HKD
$1,083 USD
View
B+
Retailer 10
-
HK$8,958 HKD
£899 GBP
View
B
Retailer 11
-
HK$10,443 HKD
$1,331 USD
View
B
Retailer 12
-
HK$13,338 HKD
$1,700 USD
View
Most Expensive
B
Rare Carat
53835 · Oct 28
HK$15,221 HKD
$1,940 USD
View
12 more retailers have this diamond
Prices start from HK$3,113 HKDSave up to HK$12,107 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
1.00ct Marquise
HK$3,113 HKD