CaratHunter
Plans
Marquise|Lab Grown|IGI

1.51ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG815626977

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG815626977

Diamond specifications and retailer prices

From HK$3,358 HKD
$428 USD
As of October 27, 2026
Save HK$26,457 HKD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$29,815 HKD at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815626977 or 815626977. Listed at 15 retailers as of October 27, 2026, with prices from HK$3,358 to HK$29,815, a HK$26,457 spread on the same certified stone. Do Amore Diamonds lists it at HK$29,815. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815626977
Dimensions12.16 × 5.88 × 3.65 mm
L/W Ratio2.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.16 mm5.88 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815626977
Side View
Table 62.0%Crown 34.5°Girdle: Slightly ThickPavilion 39.8°Culet: NoneDepth 62.1%

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 27
Current: HK$29,815 HKD|Low: HK$3,358 HKD|High: HK$46,057 HKD|Avg: HK$15,021 HKD|-35.3%
Do Amore Diamonds
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
October 29, 2026
Retailer 16HK$3,358 HKD
Retailer 11HK$3,758 HKD
Retailer 15HK$3,931 HKD
Retailer 9HK$4,982 HKD
Retailer 5HK$5,403 HKD
Retailer 4HK$5,602 HKD
Retailer 2HK$6,821 HKD
Retailer 14HK$10,663 HKD
Retailer 12HK$10,786 HKD
Retailer 7HK$12,324 HKD
Retailer 13HK$14,774 HKD
Retailer 6HK$16,061 HKD
Retailer 10HK$16,910 HKD
Retailer 3HK$17,536 HKD
Retailer 8HK$23,303 HKD
Do Amore DiamondsHK$29,815 HKD

32 data points across 16 retailers

15 retailersHK$3,358 HKD to HK$29,815 HKD

A
Cheapest Retailer
-
HK$3,358 HKD
$428 USD
Retailer 2
-
HK$3,758 HKD
$479 USD
View
Price last confirmed 8 days ago
Retailer 3
-
HK$4,982 HKD
$635 USD
View
Price last confirmed 5 days ago
A
Retailer 4
-
HK$5,403 HKD
$689 USD
View
A
Retailer 5
-
HK$5,602 HKD
$714 USD
View
A
Retailer 6
-
HK$6,821 HKD
€828 EUR
View
A
Retailer 7
-
HK$10,663 HKD
$1,359 USD
View
Retailer 8
-
HK$10,786 HKD
A$2,115 AUD
View
Price last confirmed 13 days ago
A
Retailer 9
-
HK$12,324 HKD
$1,571 USD
View
Retailer 10
-
HK$14,774 HKD
$1,883 USD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
HK$16,061 HKD
$2,047 USD
View
B+
Retailer 12
-
HK$16,910 HKD
£1,697 GBP
View
B+
Retailer 13
-
HK$17,536 HKD
$2,235 USD
View
B
Retailer 14
-
HK$23,303 HKD
$2,970 USD
View
Most Expensive
B
Do Amore Diamonds
27-C656D2C57 · Oct 28
HK$29,815 HKD
$3,800 USD
View
14 more retailers have this diamond
Prices start from HK$3,358 HKDSave up to HK$26,457 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
1.51ct Marquise
HK$3,358 HKD