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Round|Lab Grown|IGI

1.59ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG754515386

Shape and cutting style on the report: Round brilliant

Certificate IGI LG754515386

Diamond specifications and retailer prices

From £171 GBP
$228 USD
As of October 29, 2026
Save £792 GBP (82%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: £1,164 GBP at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.59ct lab-grown round diamond

This 1.59ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG754515386 or 754515386. Listed at 28 retailers as of October 29, 2026, with a 463% 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

1.59
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754515386
Dimensions7.45 × 7.49 × 4.63 mm
L/W Ratio1.01
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
7.45 mm7.49 mm1.59 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754515386
Side View
Table 57.0%Crown 34.7°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.0%

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 29
Current: £1,164 GBP|Low: £170 GBP|High: £1,164 GBP|Avg: £510 GBP
Brilliant Earth
Retailer 2
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Retailer 22
October 30, 2026
Retailer 11£171 GBP
Retailer 16£191 GBP
Retailer 22£199 GBP
Retailer 5£213 GBP
Retailer 6£213 GBP
Retailer 2£320 GBP
Retailer 7£360 GBP
Retailer 19£365 GBP
Retailer 21£384 GBP
Retailer 13£396 GBP
Retailer 18£401 GBP
Retailer 4£404 GBP
Retailer 3£448 GBP
Retailer 20£496 GBP
Retailer 9£584 GBP
Retailer 12£683 GBP
Retailer 10£722 GBP
Retailer 15£800 GBP
Retailer 17£855 GBP
Retailer 14£864 GBP
Retailer 8£963 GBP
Brilliant Earth£1,164 GBP

28 data points across 22 retailers

28 retailers£171 GBP to £963 GBP

A
Cheapest Retailer
-
£171 GBP
$228 USD
Retailer 2
-
£185 GBP
$247 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
£191 GBP
$255 USD
View
Final sale: no returns
A
Retailer 4
-
£199 GBP
$265 USD
View
A
Retailer 5
-
£213 GBP
$283 USD
View
A
Retailer 6
-
£213 GBP
$283 USD
View
Retailer 7
-
£227 GBP
$302 USD
View
Price last confirmed 38 days ago
A
Retailer 8
-
£320 GBP
View
A
Retailer 9
-
£360 GBP
$479 USD
View
A
Retailer 10
-
£365 GBP
ZAR 7,848 ZAR
View
A
Retailer 11
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£384 GBP
$512 USD
View
A
Retailer 12
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£396 GBP
View
A
Retailer 13
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£401 GBP
€508 EUR
View
A
Retailer 14
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£404 GBP
$538 USD
View
B+
Retailer 15
-
£448 GBP
A$918 AUD
View
B+
Retailer 16
-
£496 GBP
A$1,016 AUD
View
B+
Retailer 17
-
£584 GBP
$778 USD
View
Retailer 18
-
£671 GBP
$893 USD
View
Price last confirmed 74 days ago
B+
Retailer 19
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£679 GBP
$904 USD
View
B+
Retailer 20
-
£683 GBP
$909 USD
View
B
Retailer 21
-
£722 GBP
$961 USD
View
Retailer 22
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£740 GBP
$985 USD
View
Price last confirmed 39 days ago
B
Retailer 23
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£800 GBP
$1,066 USD
View
B
Retailer 24
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£855 GBP
View
B
Retailer 25
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£856 GBP
$1,140 USD
View
Retailer 26
-
£864 GBP
A$1,771 AUD
View
Price last confirmed 22 days ago
B
Retailer 27
-
£963 GBP
$1,283 USD
View
Most Expensive
Brilliant Earth
20095286A · Oct 16
£1,164 GBP
$1,550 USD
View
Price last confirmed 13 days ago
27 more retailers have this diamond
Prices start from £171 GBPSave up to £792 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 Round
£171 GBP