Heart|Lab Grown|IGI

1.59ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG831608936

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831608936

Diamond specifications and retailer prices

From £201 GBP
$269 USD
As of October 24, 2026
Save £766 GBP (79%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,336 GBP at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.59ct lab-grown heart diamond

This 1.59ct lab-grown heart 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 LG831608936 or 831608936. Listed at 21 retailers as of October 24, 2026, with a 382% 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 angle36°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831608936
Dimensions8.06 × 7.20 × 4.73 mm
L/W Ratio1.12
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.06 mm7.20 mm1.59 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831608936
Side View
Table 62.0%Crown 36°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 58.7%

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 24
Current: £1,336 GBP|Low: £168 GBP|High: £1,336 GBP|Avg: £531 GBP
Brilliant Earth
Retailer 2
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October 31, 2026
Retailer 21£173 GBP
Retailer 11£193 GBP
Retailer 19£201 GBP
Retailer 22£215 GBP
Retailer 14£239 GBP
Retailer 3£240 GBP
Retailer 18£363 GBP
Retailer 5£364 GBP
Retailer 16£403 GBP
Retailer 9£405 GBP
Retailer 7£425 GBP
Retailer 13£502 GBP
Retailer 4£562 GBP
Retailer 20£690 GBP
Retailer 12£694 GBP
Retailer 10£729 GBP
Retailer 15£832 GBP
Retailer 17£862 GBP
Retailer 2£864 GBP
Retailer 8£874 GBP
Retailer 6£967 GBP
Brilliant Earth£1,336 GBP

30 data points across 22 retailers

21 retailers£201 GBP to £967 GBP

Retailer 1
-
£173 GBP
$232 USD
Price last confirmed 7 days ago
A
Retailer 2
-
£201 GBP
$269 USD
View
A
Retailer 3
-
£215 GBP
$288 USD
View
A
Retailer 4
-
£239 GBP
HK$2,500 HKD
View
Retailer 5
-
£240 GBP
View
Price last confirmed 14 days ago
Retailer 6
-
£363 GBP
ZAR 7,861 ZAR
View
Price last confirmed 8 days ago
A
Retailer 7
-
£364 GBP
$488 USD
View
A
Retailer 8
-
£403 GBP
View
A
Retailer 9
-
£405 GBP
$543 USD
View
A
Retailer 10
-
£425 GBP
$569 USD
View
B+
Retailer 11
-
£502 GBP
A$1,034 AUD
View
B+
Retailer 12
-
£562 GBP
$753 USD
View
B+
Retailer 13
-
£690 GBP
$925 USD
View
B+
Retailer 14
-
£694 GBP
SGD 1,257 SGD
View
B+
Retailer 15
-
£729 GBP
$977 USD
View
Retailer 16
-
£832 GBP
A$1,716 AUD
View
Price last confirmed 30 days ago
B+
Retailer 17
-
£862 GBP
View
B
Retailer 18
-
£864 GBP
$1,157 USD
View
B
Retailer 19
-
£874 GBP
$1,171 USD
View
B
Retailer 20
-
£967 GBP
$1,296 USD
View
Most Expensive
Brilliant Earth
21498635A · Oct 16
£1,336 GBP
$1,790 USD
View
Price last confirmed 15 days ago
20 more retailers have this diamond
Prices start from £201 GBPSave up to £766 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 Heart
£201 GBP