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Heart|Lab Grown|IGI

3.00ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG680545220

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG680545220

Diamond specifications and retailer prices

From £1,239 GBP
$1,660 USD
As of November 1, 2026
Save £10,490 GBP (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £11,729 GBP at Novita Diamonds · As of November 1, 2026
View at Novita Diamonds

About this 3ct lab-grown heart diamond

This 3ct 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 LG680545220 or 680545220. Listed at 14 retailers as of November 1, 2026, with prices from £1,239 to £11,729, a £10,490 spread on the same certified stone. Novita Diamonds lists it at £11,729. 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

3.00
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680545220
Dimensions9.14 × 9.59 × 5.75 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
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
9.14 mm9.59 mm3.00 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680545220
Side View
Table 57.0%Crown 39.2°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 60.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £11,729 GBP|Low: £1,152 GBP|High: £12,204 GBP|Avg: £3,919 GBP|-1.3%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
November 1, 2026
Retailer 7£1,152 GBP
Retailer 3£1,239 GBP
Retailer 16£1,414 GBP
Retailer 9£1,609 GBP
Retailer 13£1,698 GBP
Retailer 2£1,724 GBP
Retailer 10£1,746 GBP
Retailer 14£2,061 GBP
Retailer 6£2,119 GBP
Retailer 17£2,225 GBP
Retailer 11£3,055 GBP
Retailer 5£4,029 GBP
Retailer 4£4,673 GBP
Retailer 8£6,633 GBP
Retailer 15£7,269 GBP
Retailer 12£9,128 GBP
Novita Diamonds£11,729 GBP

33 data points across 17 retailers

14 retailers£1,239 GBP to £11,729 GBP

A
Cheapest Retailer
-
£1,239 GBP
$1,660 USD
A
Retailer 2
-
£1,414 GBP
$1,895 USD
View
A
Retailer 3
-
£1,698 GBP
$2,275 USD
View
A
Retailer 4
-
£1,724 GBP
$2,310 USD
View
A
Retailer 5
-
£1,746 GBP
$2,340 USD
View
A
Retailer 6
-
£2,061 GBP
€2,630 EUR
View
A
Retailer 7
-
£2,119 GBP
A$4,368 AUD
View
A
Retailer 8
-
£2,225 GBP
$2,981 USD
View
B+
Retailer 9
-
£3,055 GBP
A$6,298 AUD
View
B+
Retailer 10
-
£4,029 GBP
$5,399 USD
View
B+
Retailer 11
-
£4,673 GBP
View
B
Retailer 12
-
£7,269 GBP
$9,740 USD
View
B
Retailer 13
-
£9,128 GBP
$12,230 USD
View
Most Expensive
B
Novita Diamonds
cert_680545220 · Nov 1
£11,729 GBP
A$24,178 AUD
View
13 more retailers have this diamond
Prices start from £1,239 GBPSave up to £10,490 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
3.00ct Heart
£1,239 GBP