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Marquise|Lab Grown|IGI

1.51ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG768632053

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG768632053

Diamond specifications and retailer prices

From £477 GBP
$639 USD
As of October 30, 2026
Save £3,755 GBP (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £4,232 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768632053 or 768632053. Listed at 16 retailers as of October 30, 2026, with prices from £477 to £4,232, a £3,755 spread on the same certified stone. Do Amore Diamonds lists it at £4,232. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768632053
Dimensions11.53 × 6.06 × 3.68 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
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
11.53 mm6.06 mm1.51 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768632053
Side View
Table 59.0%Crown 34.6°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 60.7%

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: £4,232 GBP|Low: £477 GBP|High: £5,627 GBP|Avg: £1,599 GBP|-24.8%
Do Amore Diamonds
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 11£477 GBP
Retailer 4£519 GBP
Retailer 13£668 GBP
Retailer 7£669 GBP
Retailer 5£672 GBP
Retailer 8£709 GBP
Retailer 12£904 GBP
Retailer 9£1,027 GBP
Retailer 10£1,222 GBP
Retailer 14£1,412 GBP
Retailer 3£1,641 GBP
Retailer 15£1,716 GBP
Retailer 6£2,399 GBP
Retailer 16£2,400 GBP
Retailer 2£2,493 GBP
Do Amore Diamonds£4,232 GBP

32 data points across 16 retailers

16 retailers£477 GBP to £4,232 GBP

A
Cheapest Retailer
-
£477 GBP
$639 USD
A
Retailer 2
-
£519 GBP
$695 USD
View
A
Retailer 3
-
£668 GBP
$895 USD
View
A
Retailer 4
-
£669 GBP
$897 USD
View
A
Retailer 5
-
£672 GBP
$900 USD
View
A
Retailer 6
-
£709 GBP
$950 USD
View
Final sale: no returns
A
Retailer 7
-
£904 GBP
$1,211 USD
View
A
Retailer 8
-
£1,027 GBP
€1,311 EUR
View
B+
Retailer 9
-
£1,222 GBP
A$2,518 AUD
View
B+
Retailer 10
-
£1,412 GBP
$1,892 USD
View
B+
Retailer 11
-
£1,641 GBP
$2,199 USD
View
B+
Retailer 12
-
£1,716 GBP
$2,299 USD
View
B+
Retailer 13
-
£2,399 GBP
$3,215 USD
View
B+
Retailer 14
-
£2,400 GBP
View
B
Retailer 15
-
£2,493 GBP
$3,340 USD
View
Most Expensive
B
Do Amore Diamonds
27-074CFF6B2 · Oct 30
£4,232 GBP
$5,670 USD
View
15 more retailers have this diamond
Prices start from £477 GBPSave up to £3,755 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
1.51ct Marquise
£477 GBP