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Marquise|Lab Grown|IGI

2.31ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG823695113

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG823695113

Diamond specifications and retailer prices

From £1,437 GBP
$1,925 USD
As of October 30, 2026
Save £4,398 GBP (75%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £5,834 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 2.31ct lab-grown marquise diamond

This 2.31ct lab-grown marquise sits in the two to three carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG823695113 or 823695113. Listed at 24 retailers as of October 30, 2026, with prices from £1,437 to £5,834, a £4,398 spread on the same certified stone. Taylor and Hart lists it at £5,834. 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

2.31
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823695113
Dimensions12.72 × 7.04 × 4.30 mm
L/W Ratio1.81
Girdle conditionFaceted
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
12.72 mm7.04 mm2.31 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823695113
Side View
Table 57.0%Crown 35.5°Girdle: Slightly ThickPavilion 39.1°Culet: NoneDepth 61.1%

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: £2,292 GBP|Low: £1,379 GBP|High: £5,568 GBP|Avg: £3,007 GBP|-2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 3£1,437 GBP
Retailer 4£1,667 GBP
Retailer 6£1,690 GBP
Retailer 9£1,791 GBP
Retailer 1£2,292 GBP
Retailer 10£2,630 GBP
Retailer 2£2,736 GBP
Retailer 12£3,157 GBP
Retailer 11£4,297 GBP
Retailer 7£4,299 GBP
Retailer 8£4,784 GBP
Retailer 5£5,291 GBP

31 data points across 12 retailers

24 retailers£1,437 GBP to £5,834 GBP

A
Cheapest Retailer
-
£1,437 GBP
$1,925 USD
A
Retailer 2
-
£1,563 GBP
$2,094 USD
View
A
Retailer 3
-
£1,608 GBP
$2,155 USD
View
Final sale: no returns
Retailer 4
-
£1,667 GBP
$2,233 USD
View
Price last confirmed 20 days ago
A
Retailer 5
-
£1,667 GBP
$2,233 USD
View
A
Retailer 6
-
£1,690 GBP
View
A
Retailer 7
-
£1,749 GBP
$2,343 USD
View
A
Retailer 8
-
£1,791 GBP
$2,400 USD
View
A
Retailer 9
-
£1,857 GBP
$2,488 USD
View
A
Retailer 10
-
£1,920 GBP
HK$20,100 HKD
View
A
Retailer 11
-
£2,292 GBP
View
B+
Retailer 12
-
£2,610 GBP
$3,497 USD
View
B+
Retailer 13
-
£2,630 GBP
€3,356 EUR
View
B+
Retailer 14
-
£2,736 GBP
$3,666 USD
View
B+
Retailer 15
-
£3,123 GBP
$4,185 USD
View
B+
Retailer 16
-
£3,157 GBP
$4,230 USD
View
B+
Retailer 17
-
£3,162 GBP
View
B+
Retailer 18
-
£4,297 GBP
$5,757 USD
View
B+
Retailer 19
-
£4,299 GBP
ZAR 93,057 ZAR
View
B
Retailer 20
-
£4,784 GBP
View
B
Retailer 21
-
£4,998 GBP
$6,697 USD
View
B
Retailer 22
-
£5,291 GBP
$7,090 USD
View
B
Retailer 23
-
£5,565 GBP
SGD 10,076 SGD
View
Most Expensive
B
Taylor and Hart
7EG77V1 · Oct 30
£5,834 GBP
$7,817 USD
View
23 more retailers have this diamond
Prices start from £1,437 GBPSave up to £4,398 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
2.31ct Marquise
£1,437 GBP