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Heart|Lab Grown|IGI

1.59ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG807658868

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG807658868

Diamond specifications and retailer prices

From £414 GBP
As of October 30, 2026
Save £2,116 GBP (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,695 GBP at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG807658868 or 807658868. Listed at 16 retailers as of October 29, 2026, with a 511% 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807658868
Dimensions7.53 × 7.53 × 4.57 mm
L/W Ratio1.00
Girdle conditionFaceted
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
7.53 mm7.53 mm1.59 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807658868
Side View
Table 60.0%Crown 37.4°Girdle: MED-STKPavilion 38°Culet: NoneDepth 56.4%

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: £2,695 GBP|Low: £201 GBP|High: £2,717 GBP|Avg: £1,005 GBP|+2.6%
Novita Diamonds
Retailer 2
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Retailer 22
October 30, 2026
Retailer 11£201 GBP
Retailer 12£226 GBP
Retailer 13£414 GBP
Retailer 19£414 GBP
Retailer 3£436 GBP
Retailer 4£470 GBP
Retailer 10£582 GBP
Retailer 6£592 GBP
Retailer 17£599 GBP
Retailer 9£618 GBP
Retailer 21£669 GBP
Retailer 8£856 GBP
Retailer 16£909 GBP
Retailer 20£992 GBP
Retailer 5£1,079 GBP
Retailer 14£1,161 GBP
Retailer 18£1,441 GBP
Retailer 15£1,461 GBP
Retailer 7£1,557 GBP
Retailer 2£2,284 GBP
Retailer 22£2,530 GBP
Novita Diamonds£2,695 GBP

28 data points across 22 retailers

16 retailers£414 GBP to £2,530 GBP

A
Cheapest Retailer
-
£414 GBP
A
Retailer 2
-
£414 GBP
$555 USD
View
A
Retailer 3
-
£436 GBP
$584 USD
View
A
Retailer 4
-
£470 GBP
$630 USD
View
Retailer 5
-
£592 GBP
$793 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
£599 GBP
€765 EUR
View
Retailer 7
-
£669 GBP
$896 USD
View
Price last confirmed 10 days ago
A
Retailer 8
-
£856 GBP
$1,147 USD
View
B+
Retailer 9
-
£909 GBP
A$1,873 AUD
View
B+
Retailer 10
-
£992 GBP
$1,329 USD
View
B+
Retailer 11
-
£1,079 GBP
CA$2,008 CAD
View
B+
Retailer 12
-
£1,441 GBP
View
B
Retailer 13
-
£1,557 GBP
$2,086 USD
View
B
Retailer 14
-
£2,284 GBP
$3,060 USD
View
B
Retailer 15
-
£2,530 GBP
$3,390 USD
View
Most Expensive
Novita Diamonds
cert_807658868 · Oct 8
£2,695 GBP
A$5,555 AUD
View
Price last confirmed 23 days ago
15 more retailers have this diamond
Prices start from £414 GBPSave up to £2,116 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
£414 GBP