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Heart|Lab Grown|IGI

1.51ct G VVS1 Heart Lab Grown Diamond

ID • G/VVS1 • IGI LG828612965

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG828612965

Diamond specifications and retailer prices

From £178 GBP
As of November 4, 2026
Save £536 GBP (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £713 GBP at Brilliance · As of November 4, 2026
View at Brilliance

About this 1.51ct lab-grown heart diamond

This 1.51ct lab-grown heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG828612965 or 828612965. Listed at 4 retailers as of November 4, 2026, with prices from £178 to £713, a £536 spread on the same certified stone. Brilliance lists it at £713. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828612965
Dimensions7.18 × 7.93 × 4.70 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.18 mm7.93 mm1.51 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828612965
Side View
Table 58.0%Crown 33.4°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 59.3%

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: Nov 4
Current: £713 GBP|Low: £178 GBP|High: £1,605 GBP|Avg: £586 GBP|-13.8%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 2£178 GBP
Retailer 6£241 GBP
Retailer 3£270 GBP
Retailer 9£367 GBP
Retailer 7£384 GBP
Retailer 5£415 GBP
Retailer 4£499 GBP
Brilliance£713 GBP
Retailer 8£862 GBP
Retailer 10£1,605 GBP

11 data points across 10 retailers

4 retailers£178 GBP to £713 GBP

A
Cheapest Retailer
-
£178 GBP
Final sale: no returns
B+
Retailer 2
-
£270 GBP
View
Retailer 3
-
£499 GBP
View
Price last confirmed 23 days ago
Most Expensive
B
Brilliance
D44948853 · Nov 4
£713 GBP
$960 USD
View
3 more retailers have this diamond
Prices start from £178 GBPSave up to £536 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
1.51ct Heart
£178 GBP