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Heart|Lab Grown|IGI

1.55ct D VVS2 Heart Lab Grown Diamond

EX • D/VVS2 • IGI LG675562156

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG675562156

Diamond specifications and retailer prices

From £178 GBP
$239 USD
As of October 30, 2026
Save £720 GBP (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,993 GBP at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.55ct lab-grown heart diamond

This 1.55ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG675562156 or 675562156. Listed at 19 retailers as of October 30, 2026, with a 404% 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

1.55
Carat
D
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG675562156
Dimensions7.04 × 7.87 × 4.68 mm
L/W Ratio1.12
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
7.04 mm7.87 mm1.55 ctD / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG675562156
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 59.5%

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: £1,993 GBP|Low: £171 GBP|High: £1,993 GBP|Avg: £479 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
October 31, 2026
Retailer 3£178 GBP
Retailer 16£199 GBP
Retailer 7£207 GBP
Retailer 4£221 GBP
Retailer 14£221 GBP
Retailer 13£253 GBP
Retailer 6£372 GBP
Retailer 10£379 GBP
Retailer 8£410 GBP
Retailer 2£414 GBP
Retailer 11£515 GBP
Retailer 5£710 GBP
Retailer 9£713 GBP
Retailer 12£886 GBP
Retailer 15£899 GBP
Brilliant Earth£1,993 GBP

43 data points across 16 retailers

19 retailers£178 GBP to £899 GBP

A
Cheapest Retailer
-
£178 GBP
$239 USD
A
Retailer 2
-
£199 GBP
$266 USD
View
Final sale: no returns
A
Retailer 3
-
£207 GBP
$277 USD
View
A
Retailer 4
-
£221 GBP
$296 USD
View
A
Retailer 5
-
£221 GBP
$296 USD
View
Retailer 6
-
£253 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
£372 GBP
$499 USD
View
A
Retailer 8
-
£379 GBP
ZAR 8,212 ZAR
View
A
Retailer 9
-
£410 GBP
$549 USD
View
A
Retailer 10
-
£414 GBP
View
B+
Retailer 11
-
£449 GBP
$602 USD
View
B+
Retailer 12
-
£515 GBP
A$1,061 AUD
View
B+
Retailer 13
-
£677 GBP
$907 USD
View
B+
Retailer 14
-
£710 GBP
$951 USD
View
B
Retailer 15
-
£713 GBP
$955 USD
View
B+
Retailer 16
-
£749 GBP
$1,003 USD
View
B+
Retailer 17
-
£886 GBP
View
B
Retailer 18
-
£899 GBP
$1,204 USD
View
Most Expensive
Brilliant Earth
14978855A · Oct 16
£1,993 GBP
$2,670 USD
View
Price last confirmed 15 days ago
18 more retailers have this diamond
Prices start from £178 GBPSave up to £720 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
1.55ct Heart
£178 GBP