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Marquise|Lab Grown|IGI

1.51ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG836619913

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG836619913

Diamond specifications and retailer prices

From HK$5,790 HKD
$738 USD
As of October 30, 2026
Save HK$22,141 HKD (79%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$27,931 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836619913 or 836619913. Listed at 21 retailers as of October 30, 2026, with prices from HK$5,790 to HK$27,931, a HK$22,141 spread on the same certified stone. Brilliant Earth lists it at HK$27,931. 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
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836619913
Dimensions11.52 × 5.99 × 3.88 mm
L/W Ratio1.92
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
11.52 mm5.99 mm1.51 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836619913
Side View
Table 59.0%Crown 34.7°Girdle: MED-STKPavilion 42°Culet: NoneDepth 64.8%

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$27,931 HKD|Low: HK$5,790 HKD|High: HK$30,206 HKD|Avg: HK$16,357 HKD|-7.5%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 6HK$5,790 HKD
Retailer 3HK$6,300 HKD
Retailer 20HK$6,716 HKD
Retailer 11HK$6,810 HKD
Retailer 17HK$8,120 HKD
Retailer 4HK$9,148 HKD
Retailer 2HK$10,781 HKD
Retailer 19HK$10,874 HKD
Retailer 18HK$11,138 HKD
Retailer 14HK$12,346 HKD
Retailer 7HK$14,522 HKD
Retailer 12HK$18,885 HKD
Retailer 9HK$20,924 HKD
Retailer 15HK$22,172 HKD
Retailer 10HK$23,155 HKD
Retailer 8HK$24,413 HKD
Retailer 16HK$25,459 HKD
Retailer 5HK$26,016 HKD
Retailer 13HK$26,514 HKD
Brilliant EarthHK$27,931 HKD

29 data points across 20 retailers

21 retailersHK$5,790 HKD to HK$27,931 HKD

A
Cheapest Retailer
-
HK$5,790 HKD
$738 USD
A
Retailer 2
-
HK$6,300 HKD
$803 USD
View
A
Retailer 3
-
HK$6,716 HKD
$856 USD
View
A
Retailer 4
-
HK$6,810 HKD
$868 USD
View
Final sale: no returns
Retailer 5
-
HK$6,998 HKD
$892 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
HK$8,120 HKD
$1,035 USD
View
A
Retailer 7
-
HK$9,148 HKD
$1,166 USD
View
A
Retailer 8
-
HK$10,781 HKD
£1,082 GBP
View
A
Retailer 9
-
HK$10,874 HKD
$1,386 USD
View
A
Retailer 10
-
HK$11,138 HKD
€1,352 EUR
View
A
Retailer 11
-
HK$12,346 HKD
ZAR 25,422 ZAR
View
B+
Retailer 12
-
HK$14,522 HKD
$1,851 USD
View
B+
Retailer 13
-
HK$18,885 HKD
$2,407 USD
View
B
Retailer 14
-
HK$20,924 HKD
£2,100 GBP
View
B+
Retailer 15
-
HK$22,172 HKD
$2,826 USD
View
B
Retailer 16
-
HK$23,155 HKD
$2,951 USD
View
B
Retailer 17
-
HK$24,413 HKD
SGD 4,205 SGD
View
B
Retailer 18
-
HK$25,459 HKD
$3,245 USD
View
B
Retailer 19
-
HK$26,016 HKD
$3,316 USD
View
B
Retailer 20
-
HK$26,514 HKD
£2,661 GBP
View
Most Expensive
B
Brilliant Earth
21589183A · Oct 31
HK$27,931 HKD
$3,560 USD
View
20 more retailers have this diamond
Prices start from HK$5,790 HKDSave up to HK$22,141 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$5,790 HKD