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Marquise|Lab Grown|IGI

3.00ct F IF Marquise Lab Grown Diamond

EX • F/IF • IGI LG844668795

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844668795

Diamond specifications and retailer prices

From £1,418 GBP
$1,903 USD
As of November 2, 2026
Save £5,141 GBP (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £6,559 GBP at Novita Diamonds · As of October 31, 2026
View at Novita Diamonds

About this 3ct lab-grown marquise diamond

This 3ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG844668795 or 844668795. Listed at 8 retailers as of October 31, 2026, with prices from £1,418 to £6,559, a £5,141 spread on the same certified stone. Novita Diamonds lists it at £6,559. 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

3.00
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844668795
Dimensions15.33 × 7.51 × 4.55 mm
L/W Ratio2.04
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.33 mm7.51 mm3.00 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844668795
Side View
Table 60.0%Crown 33.9°Girdle: STK-THKPavilion 39.7°Culet: NoneDepth 60.6%

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: Nov 2
Current: £6,559 GBP|Low: £1,418 GBP|High: £6,559 GBP|Avg: £2,522 GBP
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 7£1,418 GBP
Retailer 2£1,691 GBP
Retailer 5£1,714 GBP
Retailer 4£2,001 GBP
Retailer 6£2,277 GBP
Retailer 3£3,422 GBP
Retailer 8£4,214 GBP
Novita Diamonds£6,559 GBP

14 data points across 8 retailers

8 retailers£1,418 GBP to £6,559 GBP

A
Cheapest Retailer
-
£1,418 GBP
$1,903 USD
A
Retailer 2
-
£1,691 GBP
View
A
Retailer 3
-
£1,714 GBP
$2,300 USD
View
A
Retailer 4
-
£2,001 GBP
€2,557 EUR
View
B+
Retailer 5
-
£2,277 GBP
$3,055 USD
View
B+
Retailer 6
-
£3,422 GBP
View
B
Retailer 7
-
£4,214 GBP
$5,655 USD
View
Most Expensive
B
Novita Diamonds
cert_844668795 · Oct 31
£6,559 GBP
A$13,541 AUD
View
7 more retailers have this diamond
Prices start from £1,418 GBPSave up to £5,141 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
3.00ct Marquise
£1,418 GBP