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Heart|Lab Grown|IGI

3.03ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG828662975

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG828662975

Diamond specifications and retailer prices

From £1,056 GBP
$1,417 USD
As of October 30, 2026
Save £10,772 GBP (91%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £11,828 GBP at Novita Diamonds · As of November 1, 2026
View at Novita Diamonds

About this 3.03ct lab-grown heart diamond

This 3.03ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG828662975 or 828662975. Listed at 12 retailers as of October 30, 2026, with prices from £1,056 to £11,828, a £10,772 spread on the same certified stone. Novita Diamonds lists it at £11,828. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.03
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828662975
Dimensions10.07 × 9.01 × 5.91 mm
L/W Ratio1.12
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
10.07 mm9.01 mm3.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828662975
Side View
Table 61.0%Crown 33.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 58.7%

Caratlytics Score

How it works →
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: £11,828 GBP|Low: £1,056 GBP|High: £11,978 GBP|Avg: £4,531 GBP|-1.0%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 3£1,056 GBP
Retailer 2£1,149 GBP
Retailer 11£1,557 GBP
Retailer 13£1,741 GBP
Retailer 7£1,934 GBP
Retailer 10£2,535 GBP
Retailer 4£2,618 GBP
Retailer 9£3,054 GBP
Retailer 6£3,862 GBP
Retailer 12£6,274 GBP
Retailer 5£6,543 GBP
Retailer 8£7,266 GBP
Novita Diamonds£11,828 GBP

20 data points across 13 retailers

12 retailers£1,056 GBP to £11,828 GBP

A
Cheapest Retailer
-
£1,056 GBP
$1,417 USD
A
Retailer 2
-
£1,149 GBP
$1,542 USD
View
A
Retailer 3
-
£1,557 GBP
$2,090 USD
View
A
Retailer 4
-
£1,741 GBP
$2,336 USD
View
A
Retailer 5
-
£1,934 GBP
$2,595 USD
View
B+
Retailer 6
-
£2,535 GBP
$3,402 USD
View
A
Retailer 7
-
£2,618 GBP
$3,513 USD
View
B+
Retailer 8
-
£3,054 GBP
A$6,305 AUD
View
B+
Retailer 9
-
£3,862 GBP
View
B+
Retailer 10
-
£6,274 GBP
$8,420 USD
View
B+
Retailer 11
-
£7,266 GBP
$9,750 USD
View
Most Expensive
B
Novita Diamonds
cert_828662975 · Nov 1
£11,828 GBP
A$24,420 AUD
View
11 more retailers have this diamond
Prices start from £1,056 GBPSave up to £10,772 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
3.03ct Heart
£1,056 GBP