Emerald|Lab Grown|IGI

4.21ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG770625758

Shape and cutting style on the report: Emerald cut

Certificate IGI LG770625758

Diamond specifications and retailer prices

From $2,717 SGD
$2,125 USD
As of October 30, 2026
Save $8,301 SGD (75%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $11,018 SGD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.21ct lab-grown emerald diamond

This 4.21ct lab-grown emerald sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG770625758 or 770625758. Listed at 21 retailers as of October 30, 2026, with prices from $2,717 to $11,018, a $8,301 spread on the same certified stone. Taylor and Hart lists it at $11,018. 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

4.21
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770625758
Dimensions10.90 × 7.47 × 4.97 mm
L/W Ratio1.46
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.90 mm7.47 mm4.21 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770625758
Side View
Table 65.0%Crown 36.6°Girdle: MediumPavilion 37.2°Culet: LargeDepth 66.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,337 SGD|Low: $2,608 SGD|High: $12,135 SGD|Avg: $5,817 SGD|-12.9%
Retailer 1
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Taylor and Hart
October 31, 2026
Retailer 18$2,717 SGD
Retailer 5$2,956 SGD
Retailer 4$3,041 SGD
Retailer 6$3,151 SGD
Retailer 9$3,151 SGD
Retailer 19$3,362 SGD
Retailer 8$3,458 SGD
Retailer 1$4,337 SGD
Retailer 15$4,503 SGD
Retailer 17$4,938 SGD
Retailer 13$5,530 SGD
Retailer 10$5,981 SGD
Retailer 12$6,707 SGD
Retailer 16$6,762 SGD
Retailer 7$7,459 SGD
Retailer 3$8,489 SGD
Retailer 14$8,595 SGD
Retailer 2$8,942 SGD
Retailer 11$10,536 SGD
Taylor and Hart$11,018 SGD

41 data points across 20 retailers

21 retailers$2,717 SGD to $11,018 SGD

A
Cheapest Retailer
-
$2,717 SGD
$2,125 USD
A
Retailer 2
-
$2,956 SGD
$2,312 USD
View
A
Retailer 3
-
$3,041 SGD
$2,379 USD
View
Final sale: no returns
A
Retailer 4
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$3,151 SGD
$2,465 USD
View
Retailer 5
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$3,151 SGD
$2,465 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$3,362 SGD
$2,630 USD
View
A
Retailer 7
-
$3,458 SGD
$2,705 USD
View
A
Retailer 8
-
$4,331 SGD
$3,388 USD
View
A
Retailer 9
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$4,337 SGD
£2,671 GBP
View
A
Retailer 10
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$4,503 SGD
$3,522 USD
View
A
Retailer 11
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$4,938 SGD
$3,863 USD
View
A
Retailer 12
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$5,530 SGD
€4,120 EUR
View
A
Retailer 13
-
$5,981 SGD
£3,684 GBP
View
A
Retailer 14
-
$6,707 SGD
ZAR 84,759 ZAR
View
Retailer 15
-
$6,762 SGD
A$8,137 AUD
View
Price last confirmed 9 days ago
A
Retailer 16
-
$7,459 SGD
$5,835 USD
View
A
Retailer 17
-
$8,489 SGD
$6,640 USD
View
A
Retailer 18
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$8,595 SGD
£5,294 GBP
View
A
Retailer 19
-
$8,942 SGD
$6,995 USD
View
B+
Retailer 20
-
$10,536 SGD
View
Most Expensive
B+
Taylor and Hart
DMRG8K7 · Oct 30
$11,018 SGD
$8,618 USD
View
20 more retailers have this diamond
Prices start from $2,717 SGDSave up to $8,301 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.

A
4.21ct Emerald
$2,717 SGD