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Emerald|Lab Grown|IGI

3.28ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG728578013

Shape and cutting style on the report: Emerald cut

Certificate IGI LG728578013

Diamond specifications and retailer prices

From £1,073 GBP
$1,438 USD
As of October 30, 2026
Save £6,308 GBP (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £7,381 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.28ct lab-grown emerald diamond

This 3.28ct 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 LG728578013 or 728578013. Listed at 22 retailers as of October 29, 2026, with prices from £1,073 to £7,381, a £6,308 spread on the same certified stone. Do Amore Diamonds lists it at £7,381. 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

3.28
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728578013
Dimensions10.43 × 6.86 × 4.58 mm
L/W Ratio1.52
Culet sizeLarge
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
10.43 mm6.86 mm3.28 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728578013
Side View
Table 67.0%Crown 36.2°Girdle: MediumPavilion 40.5°Culet: LargeDepth 66.8%

Caratlytics Score

How it works →
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: £1,947 GBP|Low: £1,031 GBP|High: £4,288 GBP|Avg: £2,219 GBP|-0.5%
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
October 30, 2026
Retailer 14£1,073 GBP
Retailer 5£1,168 GBP
Retailer 7£1,202 GBP
Retailer 4£1,245 GBP
Retailer 15£1,245 GBP
Retailer 11£1,373 GBP
Retailer 6£1,414 GBP
Retailer 1£1,947 GBP
Retailer 2£1,964 GBP
Retailer 3£2,576 GBP
Retailer 12£3,109 GBP
Retailer 9£3,191 GBP
Retailer 8£3,321 GBP
Retailer 16£3,355 GBP
Retailer 10£3,946 GBP
Retailer 13£4,224 GBP

44 data points across 16 retailers

22 retailers£1,073 GBP to £7,381 GBP

A
Cheapest Retailer
-
£1,073 GBP
$1,438 USD
A
Retailer 2
-
£1,168 GBP
$1,565 USD
View
A
Retailer 3
-
£1,202 GBP
$1,610 USD
View
Final sale: no returns
A
Retailer 4
-
£1,245 GBP
$1,668 USD
View
Retailer 5
-
£1,245 GBP
$1,668 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
£1,373 GBP
$1,840 USD
View
A
Retailer 7
-
£1,414 GBP
$1,894 USD
View
A
Retailer 8
-
£1,643 GBP
HK$17,200 HKD
View
A
Retailer 9
-
£1,947 GBP
View
A
Retailer 10
-
£1,964 GBP
$2,631 USD
View
A
Retailer 11
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£1,970 GBP
$2,639 USD
View
A
Retailer 12
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£2,260 GBP
$3,028 USD
View
A
Retailer 13
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£2,576 GBP
$3,451 USD
View
Retailer 14
-
£3,109 GBP
A$6,408 AUD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
£3,191 GBP
ZAR 69,076 ZAR
View
B+
Retailer 16
-
£3,321 GBP
View
B+
Retailer 17
-
£3,355 GBP
$4,496 USD
View
B+
Retailer 18
-
£3,797 GBP
$5,088 USD
View
B+
Retailer 19
-
£3,946 GBP
View
Retailer 20
-
£4,224 GBP
$5,660 USD
View
Price last confirmed 12 days ago
B+
Retailer 21
-
£4,846 GBP
$6,493 USD
View
Most Expensive
B
Do Amore Diamonds
27-4FF2BB67C · Oct 29
£7,381 GBP
$9,890 USD
View
21 more retailers have this diamond
Prices start from £1,073 GBPSave up to £6,308 GBP

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
3.28ct Emerald
£1,073 GBP