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Heart|Lab Grown|IGI

1.56ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG816627141

Certificate IGI LG816627141

Diamond specifications and retailer prices

From £830 GBP
$1,112 USD
As of October 31, 2026
Save £1,785 GBP (68%) vs most expensive(unlock to see where)
2 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 LG816627141 or 816627141. Listed at 2 retailers as of October 31, 2026, with prices from £830 to £2,615, a £1,785 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG816627141
Dimensions7.24 × 8.05 × 4.70 mm
L/W Ratio1.11
Top View
7.24 mm8.05 mm1.56 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816627141
Side View
Table 63.0%CrownGirdlePavilionCulet: NoneDepth 58.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: £2,615 GBP|Low: £830 GBP|High: £2,647 GBP|Avg: £1,726 GBP|+1.7%
Novita Diamonds
Retailer 2
October 31, 2026
Retailer 2£830 GBP
Novita Diamonds£2,615 GBP

5 data points across 2 retailers

2 retailers£830 GBP to £2,615 GBP

B+
Cheapest Retailer
-
£830 GBP
$1,112 USD
Most Expensive
B
Novita Diamonds
cert_816627141 · Oct 31
£2,615 GBP
A$5,390 AUD
View
1 more retailer has this diamond
Prices start from £830 GBPSave up to £1,785 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.

B+
1.56ct Heart
£830 GBP