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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 $11,753 SGD
$9,190 USD
As of November 2, 2026
Save $31,079 SGD (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $51,169 SGD 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: $51,169 SGD|Low: $11,284 SGD|High: $52,755 SGD|Avg: $19,759 SGD|-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 14$11,753 SGD
Retailer 15$12,224 SGD
Retailer 12$12,226 SGD
Retailer 5$12,752 SGD
Retailer 9$13,492 SGD
Retailer 11$13,563 SGD
Retailer 4$13,634 SGD
Retailer 7$13,634 SGD
Retailer 13$14,925 SGD
Retailer 6$15,334 SGD
Retailer 2$16,480 SGD
Retailer 10$22,795 SGD
Retailer 8$25,839 SGD
Retailer 3$37,790 SGD
Brilliant Earth$51,169 SGD

36 data points across 15 retailers

16 retailers$11,753 SGD to $42,832 SGD

B+
Cheapest Retailer
-
$11,753 SGD
$9,190 USD
B+
Retailer 2
-
$12,224 SGD
$9,558 USD
View
Retailer 3
-
$12,226 SGD
$9,560 USD
View
Price last confirmed 12 days ago
B+
Retailer 4
-
$12,752 SGD
$9,971 USD
View
B+
Retailer 5
-
$13,492 SGD
$10,550 USD
View
B+
Retailer 6
-
$13,563 SGD
$10,605 USD
View
Retailer 7
-
$13,634 SGD
$10,661 USD
View
Price last confirmed 21 days ago
B
Retailer 8
-
$13,634 SGD
$10,661 USD
View
B
Retailer 9
-
$14,925 SGD
$11,670 USD
View
B
Retailer 10
-
$15,334 SGD
$11,990 USD
View
B+
Retailer 11
-
$16,480 SGD
£10,146 GBP
View
B
Retailer 12
-
$22,795 SGD
€16,975 EUR
View
B
Retailer 13
-
$25,839 SGD
A$31,083 AUD
View
B
Retailer 14
-
$37,790 SGD
$29,549 USD
View
B
Retailer 15
-
$42,832 SGD
$33,492 USD
View
Most Expensive
Brilliant Earth
17006427A · Nov 2
$51,169 SGD
$40,010 USD
View
Price under review
15 more retailers have this diamond
Prices start from $11,753 SGDSave up to $31,079 SGD

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
$11,753 SGD