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Marquise|Lab Grown|IGI

1.51ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG800679051

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800679051

Diamond specifications and retailer prices

From HK$6,829 HKD
As of November 1, 2026
Save HK$18,939 HKD (73%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$25,768 HKD at MOH London · As of November 1, 2026
View at MOH London

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 LG800679051 or 800679051. Listed at 12 retailers as of November 1, 2026, with prices from HK$6,829 to HK$25,768, a HK$18,939 spread on the same certified stone. MOH London lists it at HK$25,768. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800679051
Dimensions11.89 × 5.99 × 3.77 mm
L/W Ratio1.98
Girdle conditionFaceted
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
11.89 mm5.99 mm1.51 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800679051
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.9%

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: Nov 1
Current: HK$25,768 HKD|Low: HK$6,795 HKD|High: HK$26,117 HKD|Avg: HK$15,153 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 7HK$6,829 HKD
Retailer 9HK$8,395 HKD
Retailer 11HK$8,811 HKD
Retailer 6HK$9,112 HKD
Retailer 2HK$9,217 HKD
Retailer 10HK$10,037 HKD
Retailer 12HK$14,075 HKD
Retailer 4HK$19,188 HKD
Retailer 8HK$19,242 HKD
Retailer 3HK$20,368 HKD
Retailer 5HK$20,635 HKD
MOH LondonHK$25,768 HKD

42 data points across 12 retailers

12 retailersHK$6,829 HKD to HK$25,768 HKD

A
Cheapest Retailer
-
HK$6,829 HKD
A
Retailer 2
-
HK$8,395 HKD
$1,070 USD
View
A
Retailer 3
-
HK$8,811 HKD
$1,123 USD
View
A
Retailer 4
-
HK$9,112 HKD
€1,106 EUR
View
A
Retailer 5
-
HK$9,217 HKD
£925 GBP
View
A
Retailer 6
-
HK$10,037 HKD
A$1,968 AUD
View
Retailer 7
-
HK$14,075 HKD
$1,794 USD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
HK$19,188 HKD
$2,446 USD
View
Retailer 9
-
HK$19,242 HKD
A$3,773 AUD
View
Price last confirmed 25 days ago
B+
Retailer 10
-
HK$20,635 HKD
$2,630 USD
View
B
Retailer 11
-
HK$20,784 HKD
$2,649 USD
View
Most Expensive
B
MOH London
LG800679051 · Nov 1
HK$25,768 HKD
£2,586 GBP
View
11 more retailers have this diamond
Prices start from HK$6,829 HKDSave up to HK$18,939 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$6,829 HKD