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Marquise|Lab Grown|IGI

1.57ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG700513821

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG700513821

Diamond specifications and retailer prices

From £569 GBP
$763 USD
As of October 30, 2026
Save £3,453 GBP (86%) vs most expensive(unlock to see where)
32 retailers carry this diamond
Most expensive: £4,023 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.57ct lab-grown marquise diamond

This 1.57ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG700513821 or 700513821. Listed at 32 retailers as of October 30, 2026, with prices from £569 to £4,023, a £3,453 spread on the same certified stone. Do Amore Diamonds lists it at £4,023. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700513821
Dimensions12.18 × 6.17 × 3.75 mm
L/W Ratio1.97
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
12.18 mm6.17 mm1.57 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700513821
Side View
Table 59.0%Crown 34.4°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 60.8%

Caratlytics Score

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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: Oct 30
Current: £4,023 GBP|Low: £453 GBP|High: £4,023 GBP|Avg: £1,481 GBP
Do Amore Diamonds
Retailer 2
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November 1, 2026
Retailer 12£453 GBP
Retailer 11£561 GBP
Retailer 4£569 GBP
Retailer 10£681 GBP
Retailer 24£683 GBP
Retailer 7£719 GBP
Retailer 25£764 GBP
Retailer 17£875 GBP
Retailer 2£920 GBP
Retailer 21£949 GBP
Retailer 18£1,057 GBP
Retailer 23£1,065 GBP
Retailer 5£1,393 GBP
Retailer 19£1,443 GBP
Retailer 14£1,475 GBP
Retailer 6£1,791 GBP
Retailer 16£1,797 GBP
Retailer 8£1,845 GBP
Retailer 3£2,019 GBP
Retailer 9£2,084 GBP
Retailer 20£2,090 GBP
Retailer 15£2,209 GBP
Retailer 22£2,455 GBP
Retailer 13£2,657 GBP
Do Amore Diamonds£4,023 GBP

36 data points across 25 retailers

32 retailers£569 GBP to £4,023 GBP

Retailer 1
-
£453 GBP
$607 USD
Price last confirmed 24 days ago
Retailer 2
-
£507 GBP
$679 USD
View
Price last confirmed 32 days ago
Retailer 3
-
£552 GBP
$739 USD
View
Price last confirmed 33 days ago
Retailer 4
-
£561 GBP
$752 USD
View
Price last confirmed 24 days ago
Retailer 5
-
£561 GBP
$752 USD
View
Price last confirmed 22 days ago
A
Retailer 6
-
£569 GBP
$763 USD
View
Final sale: no returns
Retailer 7
-
£580 GBP
$777 USD
View
Price last confirmed 33 days ago
A
Retailer 8
-
£681 GBP
$912 USD
View
A
Retailer 9
-
£683 GBP
$915 USD
View
A
Retailer 10
-
£719 GBP
$964 USD
View
A
Retailer 11
-
£764 GBP
HK$8,000 HKD
View
A
Retailer 12
-
£875 GBP
$1,172 USD
View
A
Retailer 13
-
£920 GBP
View
A
Retailer 14
-
£949 GBP
€1,211 EUR
View
A
Retailer 15
-
£1,057 GBP
A$2,178 AUD
View
A
Retailer 16
-
£1,065 GBP
ZAR 23,062 ZAR
View
B+
Retailer 17
-
£1,393 GBP
$1,866 USD
View
B+
Retailer 18
-
£1,443 GBP
A$2,975 AUD
View
Retailer 19
-
£1,475 GBP
$1,976 USD
View
Price last confirmed 8 days ago
Retailer 20
-
£1,630 GBP
$2,184 USD
View
Price last confirmed 22 days ago
B+
Retailer 21
-
£1,630 GBP
$2,184 USD
View
B+
Retailer 22
-
£1,791 GBP
$2,400 USD
View
Retailer 23
-
£1,797 GBP
View
Price last confirmed 25 days ago
Retailer 24
-
£1,826 GBP
$2,446 USD
View
Price last confirmed 32 days ago
B+
Retailer 25
-
£1,845 GBP
$2,473 USD
View
B+
Retailer 26
-
£2,019 GBP
$2,705 USD
View
B+
Retailer 27
-
£2,084 GBP
$2,792 USD
View
B+
Retailer 28
-
£2,090 GBP
$2,800 USD
View
B+
Retailer 29
-
£2,209 GBP
SGD 4,000 SGD
View
B+
Retailer 30
-
£2,455 GBP
View
B+
Retailer 31
-
£2,657 GBP
A$5,478 AUD
View
Most Expensive
B
Do Amore Diamonds
27-5EB0E70CE · Oct 31
£4,023 GBP
$5,390 USD
View
31 more retailers have this diamond
Prices start from £569 GBPSave up to £3,453 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
1.57ct Marquise
£569 GBP