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Marquise|Lab Grown|IGI

1.53ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG638430998

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG638430998

Diamond specifications and retailer prices

From £688 GBP
HK$7,200 HKD
As of November 1, 2026
Save £1,551 GBP (69%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: £3,575 GBP at Do Amore Diamonds · As of October 23, 2026
View at Do Amore Diamonds

About this 1.53ct lab-grown marquise diamond

This 1.53ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG638430998 or 638430998. Listed at 30 retailers as of October 28, 2026, with a 226% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638430998
Dimensions12.59 × 5.86 × 3.69 mm
L/W Ratio2.15
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
12.59 mm5.86 mm1.53 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638430998
Side View
Table 59.0%Crown 35.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.0%

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 1
Current: £3,575 GBP|Low: £403 GBP|High: £3,575 GBP|Avg: £1,257 GBP
Do Amore Diamonds
Retailer 2
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Retailer 24
October 30, 2026
Retailer 12£403 GBP
Retailer 11£500 GBP
Retailer 5£505 GBP
Retailer 20£582 GBP
Retailer 10£646 GBP
Retailer 6£663 GBP
Retailer 18£688 GBP
Retailer 16£780 GBP
Retailer 24£842 GBP
Retailer 19£854 GBP
Retailer 22£939 GBP
Retailer 13£969 GBP
Retailer 4£1,290 GBP
Retailer 21£1,292 GBP
Retailer 14£1,306 GBP
Retailer 9£1,608 GBP
Retailer 17£1,661 GBP
Retailer 3£1,676 GBP
Retailer 7£1,689 GBP
Retailer 2£1,821 GBP
Retailer 15£1,846 GBP
Retailer 8£1,872 GBP
Retailer 23£2,408 GBP
Do Amore Diamonds£3,575 GBP

38 data points across 24 retailers

30 retailers£688 GBP to £2,239 GBP

Retailer 1
-
£403 GBP
$540 USD
Price last confirmed 24 days ago
Retailer 2
-
£418 GBP
$560 USD
View
Price last confirmed 33 days ago
Retailer 3
-
£468 GBP
$627 USD
View
Price last confirmed 34 days ago
Retailer 4
-
£500 GBP
$670 USD
View
Price last confirmed 24 days ago
Retailer 5
-
£500 GBP
$670 USD
View
Price last confirmed 22 days ago
Retailer 6
-
£511 GBP
$685 USD
View
Price last confirmed 34 days ago
Retailer 7
-
£582 GBP
$780 USD
View
Price last confirmed 10 days ago
Retailer 8
-
£646 GBP
$866 USD
View
Price last confirmed 9 days ago
Retailer 9
-
£663 GBP
$888 USD
View
Price last confirmed 11 days ago
A
Retailer 10
-
£688 GBP
HK$7,200 HKD
View
Retailer 11
-
£780 GBP
$1,045 USD
View
Price last confirmed 12 days ago
Retailer 12
-
£854 GBP
View
Price last confirmed 11 days ago
Retailer 13
-
£939 GBP
ZAR 20,332 ZAR
View
Price last confirmed 14 days ago
A
Retailer 14
-
£969 GBP
A$1,998 AUD
View
Retailer 15
-
£1,290 GBP
$1,728 USD
View
Price last confirmed 11 days ago
Retailer 16
-
£1,292 GBP
A$2,664 AUD
View
Price last confirmed 12 days ago
Retailer 17
-
£1,306 GBP
$1,750 USD
View
Price last confirmed 11 days ago
Retailer 18
-
£1,451 GBP
$1,944 USD
View
Price last confirmed 22 days ago
Retailer 19
-
£1,451 GBP
$1,944 USD
View
Price last confirmed 11 days ago
Retailer 20
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£1,504 GBP
$2,015 USD
View
Price last confirmed 32 days ago
Retailer 21
-
£1,608 GBP
$2,155 USD
View
Price last confirmed 10 days ago
Retailer 22
-
£1,661 GBP
View
Price last confirmed 26 days ago
Retailer 23
-
£1,676 GBP
$2,245 USD
View
Price last confirmed 14 days ago
Retailer 24
-
£1,689 GBP
$2,263 USD
View
Price last confirmed 12 days ago
B+
Retailer 25
-
£1,821 GBP
$2,440 USD
View
Retailer 26
-
£1,846 GBP
A$3,806 AUD
View
Price last confirmed 25 days ago
Retailer 27
-
£1,872 GBP
$2,508 USD
View
Price last confirmed 11 days ago
B
Retailer 28
-
£2,239 GBP
$3,000 USD
View
Retailer 29
-
£2,408 GBP
View
Price last confirmed 12 days ago
Most Expensive
Do Amore Diamonds
27-71BBE82EC · Oct 23
£3,575 GBP
$4,790 USD
View
Price last confirmed 10 days ago
29 more retailers have this diamond
Prices start from £688 GBPSave up to £1,551 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
1.53ct Marquise
£688 GBP