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Marquise|Lab Grown|IGI

1.59ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG790656718

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790656718

Diamond specifications and retailer prices

From HK$3,625 HKD
$462 USD
As of October 30, 2026
Save HK$16,460 HKD (82%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: HK$24,714 HKD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.59ct lab-grown marquise diamond

This 1.59ct 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 LG790656718 or 790656718. Listed at 30 retailers as of October 30, 2026, with a 454% 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

1.59
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790656718
Dimensions12.27 × 6.12 × 3.79 mm
L/W Ratio2.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.27 mm6.12 mm1.59 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790656718
Side View
Table 57.0%Crown 32.8°Girdle: MediumPavilion 40.4°Culet: NoneDepth 61.9%

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: Oct 30
Current: HK$20,085 HKD|Low: HK$3,625 HKD|High: HK$24,792 HKD|Avg: HK$11,387 HKD|-19.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
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Retailer 10
Retailer 11
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
October 31, 2026
Retailer 9HK$3,625 HKD
Retailer 5HK$4,056 HKD
Retailer 20HK$4,056 HKD
Retailer 7HK$4,496 HKD
Retailer 4HK$4,921 HKD
Retailer 24HK$5,610 HKD
Retailer 12HK$6,041 HKD
Retailer 11HK$6,959 HKD
Retailer 25HK$7,159 HKD
Retailer 6HK$7,333 HKD
Retailer 21HK$7,448 HKD
Retailer 23HK$7,725 HKD
Retailer 8HK$9,179 HKD
Retailer 13HK$10,254 HKD
Retailer 22HK$10,470 HKD
Retailer 17HK$13,153 HKD
Retailer 15HK$14,282 HKD
Retailer 10HK$14,452 HKD
Retailer 16HK$14,691 HKD
Retailer 14HK$15,925 HKD
Retailer 3HK$16,530 HKD
Retailer 19HK$16,821 HKD
Retailer 18HK$18,673 HKD
Retailer 2HK$19,353 HKD
Brilliant EarthHK$20,085 HKD

28 data points across 25 retailers

30 retailersHK$3,625 HKD to HK$20,085 HKD

A
Cheapest Retailer
-
HK$3,625 HKD
$462 USD
A
Retailer 2
-
HK$4,056 HKD
$517 USD
View
Final sale: no returns
A
Retailer 3
-
HK$4,056 HKD
$517 USD
View
Retailer 4
-
HK$4,496 HKD
$573 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
HK$4,496 HKD
$573 USD
View
A
Retailer 6
-
HK$4,921 HKD
View
A
Retailer 7
-
HK$5,610 HKD
$715 USD
View
A
Retailer 8
-
HK$6,041 HKD
$770 USD
View
A
Retailer 9
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HK$6,959 HKD
$887 USD
View
A
Retailer 10
-
HK$7,159 HKD
€869 EUR
View
A
Retailer 11
-
HK$7,333 HKD
A$1,438 AUD
View
A
Retailer 12
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HK$7,448 HKD
£747 GBP
View
A
Retailer 13
-
HK$7,725 HKD
ZAR 15,906 ZAR
View
A
Retailer 14
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HK$9,179 HKD
$1,170 USD
View
A
Retailer 15
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HK$10,254 HKD
$1,307 USD
View
A
Retailer 16
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HK$10,470 HKD
A$2,053 AUD
View
B+
Retailer 17
-
HK$13,153 HKD
£1,320 GBP
View
B+
Retailer 18
-
HK$14,282 HKD
SGD 2,460 SGD
View
B+
Retailer 19
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HK$14,452 HKD
$1,842 USD
View
B+
Retailer 20
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HK$14,691 HKD
$1,872 USD
View
B+
Retailer 21
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HK$15,119 HKD
$1,927 USD
View
B+
Retailer 22
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HK$15,925 HKD
$2,030 USD
View
B+
Retailer 23
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HK$16,530 HKD
£1,659 GBP
View
B+
Retailer 24
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HK$16,821 HKD
$2,144 USD
View
Retailer 25
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HK$17,718 HKD
$2,258 USD
View
Price last confirmed 51 days ago
Retailer 26
-
HK$18,673 HKD
$2,380 USD
View
Price last confirmed 23 days ago
B+
Retailer 27
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HK$19,231 HKD
£1,930 GBP
View
B+
Retailer 28
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HK$19,353 HKD
A$3,795 AUD
View
B+
Retailer 29
-
HK$20,085 HKD
$2,560 USD
View
Most Expensive
Brilliant Earth
20250682A · Oct 16
HK$24,714 HKD
$3,150 USD
View
Price last confirmed 14 days ago
29 more retailers have this diamond
Prices start from HK$3,625 HKDSave up to HK$16,460 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
1.59ct Marquise
HK$3,625 HKD