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Marquise|Lab Grown|IGI

3.00ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG833644246

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG833644246

Diamond specifications and retailer prices

From £1,237 GBP
$1,658 USD
As of October 30, 2026
Save £5,806 GBP (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £7,044 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG833644246 or 833644246. Listed at 22 retailers as of October 30, 2026, with prices from £1,237 to £7,044, a £5,806 spread on the same certified stone. Novita Diamonds lists it at £7,044. 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
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833644246
Dimensions16.43 × 7.46 × 4.32 mm
L/W Ratio2.20
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.43 mm7.46 mm3.00 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833644246
Side View
Table 66.0%Crown 35.3°Girdle: STK-THKPavilion 38.9°Culet: NoneDepth 57.9%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: £7,044 GBP|Low: £1,237 GBP|High: £7,129 GBP|Avg: £2,876 GBP|-1.2%
Novita Diamonds
Retailer 2
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Retailer 20
October 31, 2026
Retailer 19£1,237 GBP
Retailer 17£1,346 GBP
Retailer 7£1,385 GBP
Retailer 11£1,435 GBP
Retailer 20£1,564 GBP
Retailer 13£1,585 GBP
Retailer 6£1,637 GBP
Retailer 2£2,034 GBP
Retailer 4£2,052 GBP
Retailer 15£2,269 GBP
Retailer 5£2,325 GBP
Retailer 9£2,475 GBP
Retailer 16£2,691 GBP
Retailer 10£2,969 GBP
Retailer 14£3,333 GBP
Retailer 12£3,557 GBP
Retailer 18£3,868 GBP
Retailer 3£4,105 GBP
Retailer 8£5,038 GBP
Novita Diamonds£7,044 GBP

26 data points across 20 retailers

22 retailers£1,237 GBP to £7,044 GBP

A
Cheapest Retailer
-
£1,237 GBP
$1,658 USD
A
Retailer 2
-
£1,346 GBP
$1,804 USD
View
A
Retailer 3
-
£1,385 GBP
$1,856 USD
View
Final sale: no returns
A
Retailer 4
-
£1,435 GBP
$1,923 USD
View
A
Retailer 5
-
£1,564 GBP
$2,095 USD
View
A
Retailer 6
-
£1,585 GBP
View
Retailer 7
-
£1,588 GBP
$2,128 USD
View
Price last confirmed 19 days ago
A
Retailer 8
-
£1,637 GBP
$2,193 USD
View
A
Retailer 9
-
£2,034 GBP
View
A
Retailer 10
-
£2,052 GBP
$2,750 USD
View
A
Retailer 11
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£2,269 GBP
€2,895 EUR
View
A
Retailer 12
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£2,325 GBP
$3,115 USD
View
A
Retailer 13
-
£2,475 GBP
$3,316 USD
View
A
Retailer 14
-
£2,691 GBP
$3,605 USD
View
A
Retailer 15
-
£2,969 GBP
View
A
Retailer 16
-
£3,333 GBP
ZAR 72,149 ZAR
View
Retailer 17
-
£3,557 GBP
A$7,332 AUD
View
Price last confirmed 9 days ago
A
Retailer 18
-
£3,868 GBP
$5,183 USD
View
A
Retailer 19
-
£4,105 GBP
View
Retailer 20
-
£4,698 GBP
$6,295 USD
View
Price last confirmed 34 days ago
B+
Retailer 21
-
£5,038 GBP
$6,751 USD
View
Most Expensive
B
Novita Diamonds
cert_833644246 · Oct 31
£7,044 GBP
A$14,520 AUD
View
21 more retailers have this diamond
Prices start from £1,237 GBPSave up to £5,806 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
£1,237 GBP