CaratHunter
Plans
Heart|Lab Grown|IGI

1.45ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG683568654

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG683568654

Diamond specifications and retailer prices

From £220 GBP
As of November 4, 2026
Save £893 GBP (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,370 GBP at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 1.45ct lab-grown heart diamond

This 1.45ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG683568654 or 683568654. Listed at 19 retailers as of November 4, 2026, with a 406% 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

1.45
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683568654
Dimensions7.24 × 7.84 × 4.53 mm
L/W Ratio1.08
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
7.24 mm7.84 mm1.45 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683568654
Side View
Table 62.0%Crown 36.3°Girdle: MediumPavilion 39.7°Culet: NoneDepth 57.8%

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 4
Current: £1,370 GBP|Low: £211 GBP|High: £1,370 GBP|Avg: £536 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 5, 2026
Retailer 3£220 GBP
Retailer 8£246 GBP
Retailer 4£273 GBP
Retailer 6£273 GBP
Retailer 10£310 GBP
Retailer 15£367 GBP
Retailer 13£389 GBP
Retailer 16£444 GBP
Retailer 7£464 GBP
Retailer 11£470 GBP
Retailer 2£479 GBP
Retailer 12£665 GBP
Retailer 14£682 GBP
Retailer 5£878 GBP
Retailer 9£1,091 GBP
Brilliant Earth£1,370 GBP

45 data points across 16 retailers

19 retailers£220 GBP to £1,113 GBP

A
Cheapest Retailer
-
£220 GBP
A
Retailer 2
-
£246 GBP
View
Final sale: no returns
A
Retailer 3
-
£256 GBP
View
Retailer 4
-
£273 GBP
View
Price last confirmed 11 days ago
A
Retailer 5
-
£273 GBP
View
A
Retailer 6
-
£310 GBP
View
A
Retailer 7
-
£367 GBP
View
A
Retailer 8
-
£389 GBP
View
B+
Retailer 9
-
£464 GBP
View
B+
Retailer 10
-
£470 GBP
View
B+
Retailer 11
-
£479 GBP
View
B+
Retailer 12
-
£615 GBP
View
Retailer 13
-
£665 GBP
View
Price last confirmed 8 days ago
B
Retailer 14
-
£682 GBP
View
B
Retailer 15
-
£878 GBP
View
B
Retailer 16
-
£913 GBP
View
B
Retailer 17
-
£1,091 GBP
View
B
Retailer 18
-
£1,113 GBP
View
Most Expensive
Brilliant Earth
21386098A · Oct 8
£1,370 GBP
$1,850 USD
View
Price last confirmed 27 days ago
18 more retailers have this diamond
Prices start from £220 GBPSave up to £893 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
1.45ct Heart
£220 GBP