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Emerald|Lab Grown|IGI

3.03ct F SI1 Emerald Lab Grown Diamond

VG • F/SI1 • IGI LG843677900

Shape and cutting style on the report: Emerald cut

Certificate IGI LG843677900

Diamond specifications and retailer prices

From £276 GBP
$370 USD
As of October 30, 2026
Save £3,060 GBP (92%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,336 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.03ct lab-grown emerald diamond

This 3.03ct lab-grown emerald sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG843677900 or 843677900. Listed at 16 retailers as of October 30, 2026, with prices from £276 to £3,336, a £3,060 spread on the same certified stone. Brilliant Earth lists it at £3,336. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.03
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843677900
Dimensions9.99 × 6.88 × 4.61 mm
L/W Ratio1.45
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.99 mm6.88 mm3.03 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843677900
Side View
Table 64.0%Crown 33.6°Girdle: Slightly ThickPavilion 38.9°Culet: LargeDepth 67.0%

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: £3,336 GBP|Low: £264 GBP|High: £3,336 GBP|Avg: £756 GBP
Brilliant Earth
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
November 1, 2026
Retailer 3£276 GBP
Retailer 11£320 GBP
Retailer 7£328 GBP
Retailer 9£342 GBP
Retailer 14£384 GBP
Retailer 6£496 GBP
Retailer 5£530 GBP
Retailer 15£547 GBP
Retailer 2£618 GBP
Retailer 13£632 GBP
Retailer 12£1,003 GBP
Retailer 10£1,099 GBP
Retailer 4£1,129 GBP
Retailer 8£1,281 GBP
Retailer 16£1,295 GBP
Brilliant Earth£3,336 GBP

17 data points across 16 retailers

16 retailers£276 GBP to £3,336 GBP

A
Cheapest Retailer
-
£276 GBP
$370 USD
A
Retailer 2
-
£320 GBP
$429 USD
View
Retailer 3
-
£328 GBP
$439 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£342 GBP
$458 USD
View
B+
Retailer 5
-
£384 GBP
$515 USD
View
Final sale: no returns
B+
Retailer 6
-
£496 GBP
$665 USD
View
B+
Retailer 7
-
£530 GBP
€676 EUR
View
B+
Retailer 8
-
£547 GBP
$733 USD
View
B+
Retailer 9
-
£618 GBP
View
B+
Retailer 10
-
£632 GBP
$847 USD
View
B
Retailer 11
-
£1,003 GBP
$1,344 USD
View
B
Retailer 12
-
£1,099 GBP
$1,473 USD
View
B
Retailer 13
-
£1,129 GBP
$1,513 USD
View
B
Retailer 14
-
£1,281 GBP
View
B
Retailer 15
-
£1,295 GBP
$1,735 USD
View
Most Expensive
C
Brilliant Earth
22335331A · Oct 31
£3,336 GBP
$4,470 USD
View
15 more retailers have this diamond
Prices start from £276 GBPSave up to £3,060 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
3.03ct Emerald
£276 GBP