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Emerald|Lab Grown|IGI

3.91ct D IF Emerald Lab Grown Diamond

EX • D/IF • IGI LG669418478

Certificate IGI LG669418478

Diamond specifications and retailer prices

From $2,608 USD
Save $15,332 USD (85%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $17,940 USD at Do Amore Diamonds
View at Do Amore Diamonds

About this 3.91ct lab-grown emerald diamond

This 3.91ct lab-grown emerald sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG669418478 or 669418478. Listed at 25 retailers, with prices from $2,608 to $17,940 at Do Amore Diamonds, a $15,332 spread on the same certified stone. 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

3.91
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.7°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669418478
Dimensions10.88 × 7.55 × 4.82 mm
L/W Ratio1.44
Culet sizeLong
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.88 mm7.55 mm3.91 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669418478
Side View
Table 60.0%Crown 30.7°Girdle: MediumPavilion 41.5°Culet: LNGDepth 63.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 29
Current: $17,940 USD|Low: $2,085 USD|High: $17,940 USD|Avg: $6,929 USD
Do Amore Diamonds
Retailer 2
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Retailer 20
September 29, 2026
Retailer 20$2,920 USD
Retailer 16$3,025 USD
Retailer 18$3,084 USD
Retailer 5$3,185 USD
Retailer 7$3,755 USD
Retailer 11$3,942 USD
Retailer 4$4,430 USD
Retailer 2$4,607 USD
Retailer 8$4,636 USD
Retailer 3$5,761 USD
Retailer 14$7,548 USD
Retailer 13$7,612 USD
Retailer 12$8,407 USD
Retailer 15$8,565 USD
Retailer 19$8,727 USD
Retailer 10$8,766 USD
Retailer 17$11,406 USD
Retailer 9$11,632 USD
Retailer 6$11,770 USD
Do Amore Diamonds$17,940 USD

39 data points across 20 retailers

25 retailers$2,608 USD to $17,940 USD

A
Cheapest Retailer
-
$2,608 USD
A
Retailer 2
-
$2,837 USD
View
A
Retailer 3
-
$2,920 USD
View
A
Retailer 4
-
$2,983 USD
View
A
Retailer 5
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$3,025 USD
View
A
Retailer 6
-
$3,084 USD
View
A
Retailer 7
-
$3,185 USD
View
A
Retailer 8
-
$3,755 USD
View
A
Retailer 9
-
$3,942 USD
HK$30,800 HKD
View
A
Retailer 10
-
$4,430 USD
View
A
Retailer 11
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$4,589 USD
View
A
Retailer 12
-
$4,603 USD
£3,625 GBP
View
A
Retailer 13
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$4,636 USD
View
B+
Retailer 14
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$5,761 USD
£4,536 GBP
View
B+
Retailer 15
-
$7,548 USD
A$11,612 AUD
View
B+
Retailer 16
-
$7,612 USD
ZAR 122,978 ZAR
View
B+
Retailer 17
-
$8,407 USD
£6,620 GBP
View
B
Retailer 18
-
$8,565 USD
£6,744 GBP
View
B
Retailer 19
-
$8,589 USD
View
B
Retailer 20
-
$8,727 USD
View
B
Retailer 21
-
$8,766 USD
View
B
Retailer 22
-
$11,406 USD
SGD 15,413 SGD
View
B
Retailer 23
-
$11,632 USD
View
B
Retailer 24
-
$11,770 USD
View
Most Expensive
B
Do Amore Diamonds
27-8ABE14DE9 · Oct 1
$17,940 USD
View
24 more retailers have this diamond
Prices start from $2,608 USDSave up to $15,332 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.

A
3.91ct Emerald
$2,608 USD