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Emerald|Lab Grown|IGI

21.05ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG781605153

Shape and cutting style on the report: Emerald cut

Certificate IGI LG781605153

Diamond specifications and retailer prices

From $17,547 SGD
$13,720 USD
As of November 2, 2026
Save $14,537 SGD (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $148,065 SGD at Diamonds Direct · As of November 1, 2026
View at Diamonds Direct

About this 21.05ct lab-grown emerald diamond

This 21.05ct 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 LG781605153 or 781605153. Listed at 15 retailers as of November 2, 2026, with a 83% 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

21.05
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781605153
Dimensions18.53 × 13.17 × 8.49 mm
L/W Ratio1.41
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.53 mm13.17 mm21.05 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781605153
Side View
Table 67.0%Crown 33.6°Girdle: Slightly ThickPavilion 40.3°Culet: LargeDepth 64.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $148,065 SGD|Low: $13,863 SGD|High: $148,065 SGD|Avg: $36,537 SGD|+22.2%
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 8$13,863 SGD
Retailer 9$17,547 SGD
Retailer 3$17,967 SGD
Retailer 4$18,210 SGD
Retailer 5$19,650 SGD
Retailer 7$20,354 SGD
Retailer 10$20,354 SGD
Retailer 13$20,354 SGD
Retailer 11$21,055 SGD
Retailer 2$25,432 SGD
Retailer 6$55,479 SGD
Retailer 12$56,937 SGD
Diamonds Direct$148,065 SGD

42 data points across 13 retailers

15 retailers$17,547 SGD to $32,084 SGD

Retailer 1
-
$13,863 SGD
$10,840 USD
Price last confirmed 15 days ago
B
Retailer 2
-
$17,547 SGD
$13,720 USD
View
B
Retailer 3
-
$17,967 SGD
$14,049 USD
View
B
Retailer 4
-
$18,210 SGD
$14,239 USD
View
B
Retailer 5
-
$19,650 SGD
$15,365 USD
View
Final sale: no returns
B
Retailer 6
-
$20,354 SGD
$15,915 USD
View
B
Retailer 7
-
$20,354 SGD
$15,915 USD
View
Retailer 8
-
$20,354 SGD
$15,915 USD
View
Price last confirmed 21 days ago
B
Retailer 9
-
$21,055 SGD
$16,463 USD
View
B
Retailer 10
-
$25,432 SGD
£15,658 GBP
View
B
Retailer 11
-
$32,084 SGD
$25,087 USD
View
Retailer 12
-
$55,479 SGD
$43,380 USD
View
Price under review
Retailer 13
-
$56,937 SGD
$44,520 USD
View
Price under review
Most Expensive
Diamonds Direct
819522 · Nov 1
$148,065 SGD
$115,775 USD
View
Price under review
13 more retailers have this diamond
Prices start from $17,547 SGDSave up to $14,537 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
21.05ct Emerald
$17,547 SGD