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Emerald|Lab Grown|IGI

21.11ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG756584573

Shape and cutting style on the report: Emerald cut

Certificate IGI LG756584573

Diamond specifications and retailer prices

From HK$72,106 HKD
$9,190 USD
As of November 2, 2026
Save HK$190,672 HKD (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$313,922 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 21.11ct lab-grown emerald diamond

This 21.11ct lab-grown emerald sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG756584573 or 756584573. Listed at 16 retailers as of October 31, 2026, with a 264% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

21.11
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle26.8°
Pavilion angle43.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756584573
Dimensions19.32 × 12.84 × 8.27 mm
L/W Ratio1.50
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
19.32 mm12.84 mm21.11 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756584573
Side View
Table 65.0%Crown 26.8°Girdle: Slightly ThickPavilion 43.4°Culet: LNGDepth 64.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$313,922 HKD|Low: HK$69,226 HKD|High: HK$323,652 HKD|Avg: HK$121,220 HKD|-3.0%
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
November 2, 2026
Retailer 14HK$72,106 HKD
Retailer 15HK$74,993 HKD
Retailer 12HK$75,009 HKD
Retailer 5HK$78,233 HKD
Retailer 9HK$82,776 HKD
Retailer 11HK$83,208 HKD
Retailer 4HK$83,647 HKD
Retailer 7HK$83,647 HKD
Retailer 13HK$91,564 HKD
Retailer 6HK$94,075 HKD
Retailer 2HK$101,104 HKD
Retailer 10HK$139,847 HKD
Retailer 8HK$158,522 HKD
Retailer 3HK$231,844 HKD
Brilliant EarthHK$313,922 HKD

36 data points across 15 retailers

16 retailersHK$72,106 HKD to HK$262,778 HKD

B+
Cheapest Retailer
-
HK$72,106 HKD
$9,190 USD
B+
Retailer 2
-
HK$74,993 HKD
$9,558 USD
View
Retailer 3
-
HK$75,009 HKD
$9,560 USD
View
Price last confirmed 12 days ago
B+
Retailer 4
-
HK$78,233 HKD
$9,971 USD
View
B+
Retailer 5
-
HK$82,776 HKD
$10,550 USD
View
B+
Retailer 6
-
HK$83,208 HKD
$10,605 USD
View
Retailer 7
-
HK$83,647 HKD
$10,661 USD
View
Price last confirmed 20 days ago
B
Retailer 8
-
HK$83,647 HKD
$10,661 USD
View
B
Retailer 9
-
HK$91,564 HKD
$11,670 USD
View
B
Retailer 10
-
HK$94,075 HKD
$11,990 USD
View
B+
Retailer 11
-
HK$101,104 HKD
£10,146 GBP
View
B
Retailer 12
-
HK$139,847 HKD
€16,975 EUR
View
B
Retailer 13
-
HK$158,522 HKD
A$31,083 AUD
View
B
Retailer 14
-
HK$231,844 HKD
$29,549 USD
View
B
Retailer 15
-
HK$262,778 HKD
$33,492 USD
View
Most Expensive
Brilliant Earth
17006427A · Nov 2
HK$313,922 HKD
$40,010 USD
View
Price under review
15 more retailers have this diamond
Prices start from HK$72,106 HKDSave up to HK$190,672 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.

B+
21.11ct Emerald
HK$72,106 HKD