Asscher|Lab Grown|IGI

3.99ct E IF Asscher Lab Grown Diamond

ID • E/IF • IGI LG806606379

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG806606379

Diamond specifications and retailer prices

From $3,039 USD
As of October 30, 2026
Save $9,238 USD (75%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $12,277 USD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.99ct lab-grown asscher diamond

This 3.99ct lab-grown asscher 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 LG806606379 or 806606379. Listed at 24 retailers as of October 30, 2026, with prices from $3,039 to $12,277, a $9,238 spread on the same certified stone. Taylor and Hart lists it at $12,277. 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

3.99
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG806606379
Dimensions8.72 × 8.59 × 5.65 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.72 mm8.59 mm3.99 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG806606379
Side View
Table 67.0%Crown 33.5°Girdle: STK-THKPavilion 40.1°Culet: NoneDepth 65.8%

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: $10,220 USD|Low: $2,978 USD|High: $13,100 USD|Avg: $6,571 USD|-22.0%
Retailer 1
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Retailer 21
Taylor and Hart
October 30, 2026
Retailer 8$3,039 USD
Retailer 3$3,403 USD
Retailer 16$3,526 USD
Retailer 19$3,534 USD
Retailer 14$3,598 USD
Retailer 6$3,685 USD
Retailer 20$4,405 USD
Retailer 12$4,768 USD
Retailer 11$5,064 USD
Retailer 9$5,148 USD
Retailer 17$5,644 USD
Retailer 21$5,843 USD
Retailer 5$6,081 USD
Retailer 2$7,080 USD
Retailer 10$8,147 USD
Retailer 15$8,186 USD
Retailer 13$8,466 USD
Retailer 7$8,856 USD
Retailer 18$8,984 USD
Retailer 1$10,220 USD
Retailer 4$10,254 USD
Taylor and Hart$12,277 USD

28 data points across 22 retailers

24 retailers$3,039 USD to $12,277 USD

A
Cheapest Retailer
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$3,039 USD
A
Retailer 2
-
$3,403 USD
View
Final sale: no returns
A
Retailer 3
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$3,526 USD
View
A
Retailer 4
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$3,534 USD
View
Retailer 5
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$3,598 USD
View
Price last confirmed 17 days ago
A
Retailer 6
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$3,685 USD
View
Retailer 7
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$3,973 USD
View
Price last confirmed 33 days ago
A
Retailer 8
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$4,405 USD
View
A
Retailer 9
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$4,618 USD
View
A
Retailer 10
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$4,768 USD
£3,754 GBP
View
Retailer 11
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$5,064 USD
View
Price last confirmed 8 days ago
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Retailer 12
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$5,148 USD
View
A
Retailer 13
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$5,644 USD
€5,375 EUR
View
A
Retailer 14
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$5,843 USD
View
A
Retailer 15
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$6,081 USD
£4,788 GBP
View
B+
Retailer 16
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$7,080 USD
View
Retailer 17
-
$8,147 USD
A$12,534 AUD
View
Price last confirmed 7 days ago
B+
Retailer 18
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$8,186 USD
ZAR 132,240 ZAR
View
Retailer 19
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$8,466 USD
A$13,024 AUD
View
Price last confirmed 21 days ago
B+
Retailer 20
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$8,856 USD
View
B+
Retailer 21
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$8,984 USD
£7,074 GBP
View
B+
Retailer 22
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$10,220 USD
View
B+
Retailer 23
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$10,254 USD
View
Most Expensive
B
Taylor and Hart
PFMJ0B6 · Oct 30
$12,277 USD
View
23 more retailers have this diamond
Prices start from $3,039 USDSave up to $9,238 USD

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
3.99ct Asscher
$3,039 USD