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Emerald|Lab Grown|IGI

1.91ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG578315529

Shape and cutting style on the report: Emerald cut

Certificate IGI LG578315529

Diamond specifications and retailer prices

From HK$3,044 HKD
$388 USD
As of October 27, 2026
Save HK$31,951 HKD (91%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: HK$34,995 HKD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.91ct lab-grown emerald diamond

This 1.91ct lab-grown emerald 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 LG578315529 or 578315529. Listed at 26 retailers as of October 27, 2026, with prices from HK$3,044 to HK$34,995, a HK$31,951 spread on the same certified stone. Brilliant Earth lists it at HK$34,995. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578315529
Dimensions5.83 × 5.83 × 3.87 mm
L/W Ratio1.00
Culet sizeLarge
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
5.83 mm5.83 mm1.91 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578315529
Side View
Table 62.0%Crown 30.4°Girdle: MED-STKPavilion 40.6°Culet: LargeDepth 66.4%

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$34,995 HKD|Low: HK$3,044 HKD|High: HK$39,467 HKD|Avg: HK$12,645 HKD|-11.3%
Brilliant Earth
Retailer 2
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Retailer 24
October 29, 2026
Retailer 23HK$3,044 HKD
Retailer 18HK$3,405 HKD
Retailer 16HK$3,413 HKD
Retailer 8HK$3,782 HKD
Retailer 9HK$3,782 HKD
Retailer 7HK$4,118 HKD
Retailer 22HK$4,943 HKD
Retailer 4HK$5,084 HKD
Retailer 24HK$5,822 HKD
Retailer 19HK$6,055 HKD
Retailer 21HK$6,494 HKD
Retailer 2HK$6,847 HKD
Retailer 13HK$8,772 HKD
Retailer 3HK$9,063 HKD
Retailer 6HK$11,001 HKD
Retailer 11HK$12,048 HKD
Retailer 12HK$12,146 HKD
Retailer 5HK$12,437 HKD
Retailer 15HK$12,440 HKD
Retailer 10HK$14,083 HKD
Retailer 17HK$14,699 HKD
Retailer 20HK$14,848 HKD
Retailer 14HK$15,300 HKD
Brilliant EarthHK$34,995 HKD

30 data points across 24 retailers

26 retailersHK$3,044 HKD to HK$34,995 HKD

A
Cheapest Retailer
-
HK$3,044 HKD
$388 USD
A
Retailer 2
-
HK$3,405 HKD
$434 USD
View
Final sale: no returns
A
Retailer 3
-
HK$3,413 HKD
$435 USD
View
A
Retailer 4
-
HK$3,782 HKD
$482 USD
View
A
Retailer 5
-
HK$3,782 HKD
$482 USD
View
A
Retailer 6
-
HK$4,118 HKD
View
A
Retailer 7
-
HK$4,943 HKD
$630 USD
View
A
Retailer 8
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HK$5,084 HKD
$648 USD
View
A
Retailer 9
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HK$5,822 HKD
$742 USD
View
A
Retailer 10
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HK$6,055 HKD
€735 EUR
View
A
Retailer 11
-
HK$6,494 HKD
ZAR 13,371 ZAR
View
A
Retailer 12
-
HK$6,847 HKD
£687 GBP
View
A
Retailer 13
-
HK$8,772 HKD
A$1,720 AUD
View
A
Retailer 14
-
HK$9,063 HKD
$1,155 USD
View
B+
Retailer 15
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HK$11,001 HKD
£1,104 GBP
View
B+
Retailer 16
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HK$12,048 HKD
SGD 2,075 SGD
View
B+
Retailer 17
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HK$12,146 HKD
$1,548 USD
View
B+
Retailer 18
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HK$12,437 HKD
$1,585 USD
View
B+
Retailer 19
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HK$12,440 HKD
$1,586 USD
View
B+
Retailer 20
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HK$13,221 HKD
$1,685 USD
View
B+
Retailer 21
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HK$14,083 HKD
$1,795 USD
View
B+
Retailer 22
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HK$14,202 HKD
$1,810 USD
View
Price last confirmed 43 days ago
B+
Retailer 23
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HK$14,699 HKD
A$2,882 AUD
View
Price last confirmed 20 days ago
B+
Retailer 24
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HK$14,848 HKD
£1,490 GBP
View
B+
Retailer 25
-
HK$15,300 HKD
$1,950 USD
View
Most Expensive
B
Brilliant Earth
18469400A · Oct 28
HK$34,995 HKD
$4,460 USD
View
25 more retailers have this diamond
Prices start from HK$3,044 HKDSave up to HK$31,951 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
1.91ct Emerald
HK$3,044 HKD