Heart|Lab Grown|IGI

1.56ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG795629381

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG795629381

Diamond specifications and retailer prices

From £278 GBP
$373 USD
As of October 30, 2026
Save £2,336 GBP (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,615 GBP at Novita Diamonds · As of October 31, 2026
View at Novita Diamonds

About this 1.56ct lab-grown heart diamond

This 1.56ct 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 LG795629381 or 795629381. Listed at 15 retailers as of October 30, 2026, with prices from £278 to £2,615, a £2,336 spread on the same certified stone. Novita Diamonds lists it at £2,615. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG795629381
Dimensions7.48 × 7.87 × 4.67 mm
L/W Ratio1.05
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
7.48 mm7.87 mm1.56 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG795629381
Side View
Table 56.0%Crown 36.2°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 59.3%

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: £2,615 GBP|Low: £272 GBP|High: £3,456 GBP|Avg: £1,158 GBP|+1.9%
Novita Diamonds
Retailer 2
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Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
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Retailer 15
November 1, 2026
Retailer 12£278 GBP
Retailer 4£322 GBP
Retailer 8£402 GBP
Retailer 5£496 GBP
Retailer 15£550 GBP
Retailer 9£620 GBP
Retailer 7£649 GBP
Retailer 11£886 GBP
Retailer 13£1,011 GBP
Retailer 6£1,207 GBP
Retailer 3£1,223 GBP
Retailer 2£1,487 GBP
Retailer 10£2,120 GBP
Retailer 14£2,470 GBP
Novita Diamonds£2,615 GBP

39 data points across 15 retailers

15 retailers£278 GBP to £2,615 GBP

A
Cheapest Retailer
-
£278 GBP
$373 USD
A
Retailer 2
-
£322 GBP
$432 USD
View
A
Retailer 3
-
£402 GBP
View
A
Retailer 4
-
£496 GBP
$665 USD
View
A
Retailer 5
-
£550 GBP
$737 USD
View
A
Retailer 6
-
£620 GBP
€791 EUR
View
A
Retailer 7
-
£649 GBP
$869 USD
View
B+
Retailer 8
-
£886 GBP
A$1,827 AUD
View
B+
Retailer 9
-
£1,011 GBP
$1,355 USD
View
B+
Retailer 10
-
£1,207 GBP
A$2,488 AUD
View
B+
Retailer 11
-
£1,223 GBP
$1,639 USD
View
B+
Retailer 12
-
£1,487 GBP
View
B
Retailer 13
-
£2,120 GBP
$2,840 USD
View
B
Retailer 14
-
£2,470 GBP
$3,310 USD
View
Most Expensive
B
Novita Diamonds
cert_795629381 · Oct 31
£2,615 GBP
A$5,390 AUD
View
14 more retailers have this diamond
Prices start from £278 GBPSave up to £2,336 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
1.56ct Heart
£278 GBP