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Round|Lab Grown|IGI

1.59ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG818686699

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818686699

Diamond specifications and retailer prices

From £164 GBP
$220 USD
As of October 29, 2026
Save £727 GBP (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £891 GBP at With Clarity · As of October 29, 2026
View at With Clarity

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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818686699 or 818686699. Listed at 20 retailers as of October 29, 2026, with prices from £164 to £891, a £727 spread on the same certified stone. With Clarity lists it at £891. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818686699
Dimensions7.43 × 7.49 × 4.63 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.43 mm7.49 mm1.59 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818686699
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.2%

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: £829 GBP|Low: £157 GBP|High: £891 GBP|Avg: £479 GBP|+11.7%
Retailer 1
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Retailer 18
Retailer 19
With Clarity
October 30, 2026
Retailer 2£164 GBP
Retailer 3£190 GBP
Retailer 5£204 GBP
Retailer 6£204 GBP
Retailer 12£318 GBP
Retailer 14£342 GBP
Retailer 4£348 GBP
Retailer 16£350 GBP
Retailer 10£374 GBP
Retailer 13£378 GBP
Retailer 8£396 GBP
Retailer 17£475 GBP
Retailer 15£531 GBP
Retailer 18£608 GBP
Retailer 7£655 GBP
Retailer 11£694 GBP
Retailer 9£806 GBP
Retailer 19£821 GBP
Retailer 1£829 GBP
With Clarity£891 GBP

27 data points across 20 retailers

20 retailers£164 GBP to £891 GBP

A
Cheapest Retailer
-
£164 GBP
$220 USD
A
Retailer 2
-
£190 GBP
$255 USD
View
A
Retailer 3
-
£204 GBP
$273 USD
View
A
Retailer 4
-
£204 GBP
$273 USD
View
A
Retailer 5
-
£318 GBP
View
A
Retailer 6
-
£342 GBP
€437 EUR
View
B+
Retailer 7
-
£348 GBP
$466 USD
View
A
Retailer 8
-
£350 GBP
ZAR 7,573 ZAR
View
A
Retailer 9
-
£374 GBP
$501 USD
View
A
Retailer 10
-
£378 GBP
View
A
Retailer 11
-
£396 GBP
$530 USD
View
B+
Retailer 12
-
£475 GBP
A$980 AUD
View
B+
Retailer 13
-
£531 GBP
$711 USD
View
Retailer 14
-
£608 GBP
$815 USD
View
Price last confirmed 12 days ago
B+
Retailer 15
-
£655 GBP
$877 USD
View
B
Retailer 16
-
£694 GBP
$930 USD
View
Retailer 17
-
£806 GBP
$1,080 USD
View
Price last confirmed 27 days ago
Retailer 18
-
£821 GBP
View
Price last confirmed 9 days ago
B
Retailer 19
-
£829 GBP
$1,111 USD
View
Most Expensive
B
With Clarity
818686699 · Oct 29
£891 GBP
$1,194 USD
View
19 more retailers have this diamond
Prices start from £164 GBPSave up to £727 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
£164 GBP