Marquise|Lab Grown|IGI

1.59ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG729567700

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG729567700

Diamond specifications and retailer prices

From £458 GBP
$614 USD
As of November 2, 2026
Save £3,606 GBP (89%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: £4,064 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.59ct lab-grown marquise diamond

This 1.59ct 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 LG729567700 or 729567700. Listed at 27 retailers as of November 2, 2026, with prices from £458 to £4,064, a £3,606 spread on the same certified stone. Do Amore Diamonds lists it at £4,064. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729567700
Dimensions12.74 × 5.97 × 3.70 mm
L/W Ratio2.13
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
12.74 mm5.97 mm1.59 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729567700
Side View
Table 60.0%Crown 34°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.0%

Caratlytics Score

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A+
Exceptional
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 2
Current: £4,064 GBP|Low: £458 GBP|High: £4,064 GBP|Avg: £1,444 GBP
Do Amore Diamonds
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November 3, 2026
Retailer 8£458 GBP
Retailer 5£513 GBP
Retailer 7£567 GBP
Retailer 18£573 GBP
Retailer 2£658 GBP
Retailer 3£693 GBP
Retailer 17£696 GBP
Retailer 11£726 GBP
Retailer 4£773 GBP
Retailer 19£938 GBP
Retailer 24£960 GBP
Retailer 21£1,077 GBP
Retailer 10£1,409 GBP
Retailer 22£1,459 GBP
Retailer 13£1,482 GBP
Retailer 9£1,648 GBP
Retailer 16£1,811 GBP
Retailer 12£1,861 GBP
Retailer 6£2,047 GBP
Retailer 15£2,106 GBP
Retailer 23£2,118 GBP
Retailer 20£2,470 GBP
Retailer 14£2,724 GBP
Do Amore Diamonds£4,064 GBP

27 data points across 24 retailers

27 retailers£458 GBP to £4,064 GBP

A+
Cheapest Retailer
-
£458 GBP
$614 USD
A
Retailer 2
-
£513 GBP
$688 USD
View
A
Retailer 3
-
£567 GBP
$761 USD
View
A
Retailer 4
-
£573 GBP
$768 USD
View
Final sale: no returns
A
Retailer 5
-
£658 GBP
View
A
Retailer 6
-
£693 GBP
$930 USD
View
A
Retailer 7
-
£696 GBP
$933 USD
View
A
Retailer 8
-
£726 GBP
$973 USD
View
A
Retailer 9
-
£773 GBP
HK$8,100 HKD
View
A
Retailer 10
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£886 GBP
$1,188 USD
View
A
Retailer 11
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£938 GBP
View
A
Retailer 12
-
£960 GBP
€1,226 EUR
View
A
Retailer 13
-
£1,060 GBP
A$2,188 AUD
View
A
Retailer 14
-
£1,077 GBP
ZAR 23,335 ZAR
View
B+
Retailer 15
-
£1,409 GBP
$1,889 USD
View
B+
Retailer 16
-
£1,459 GBP
A$3,011 AUD
View
B+
Retailer 17
-
£1,482 GBP
$1,987 USD
View
B+
Retailer 18
-
£1,648 GBP
$2,210 USD
View
B+
Retailer 19
-
£1,811 GBP
$2,429 USD
View
B+
Retailer 20
-
£1,861 GBP
$2,496 USD
View
B+
Retailer 21
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£2,047 GBP
$2,745 USD
View
B+
Retailer 22
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£2,106 GBP
$2,824 USD
View
B+
Retailer 23
-
£2,118 GBP
$2,840 USD
View
B+
Retailer 24
-
£2,233 GBP
SGD 4,047 SGD
View
B+
Retailer 25
-
£2,470 GBP
View
Retailer 26
-
£2,724 GBP
A$5,621 AUD
View
Price last confirmed 26 days ago
Most Expensive
B
Do Amore Diamonds
27-FB8C6A736 · Nov 2
£4,064 GBP
$5,450 USD
View
26 more retailers have this diamond
Prices start from £458 GBPSave up to £3,606 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+
1.59ct Marquise
£458 GBP