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Heart|Lab Grown|IGI

1.57ct G VVS2 Heart Lab Grown Diamond

EX • G/VVS2 • IGI LG826619827

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG826619827

Diamond specifications and retailer prices

From £185 GBP
$248 USD
As of October 30, 2026
Save £93 GBP (33%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £760 GBP at Brilliance · As of October 5, 2026
View at Brilliance

About this 1.57ct lab-grown heart diamond

This 1.57ct lab-grown heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG826619827 or 826619827. Listed at 3 retailers as of October 30, 2026, with a 50% 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

1.57
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826619827
Dimensions8.05 × 7.12 × 4.69 mm
L/W Ratio1.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.05 mm7.12 mm1.57 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826619827
Side View
Table 58.0%Crown 35.1°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 58.3%

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: Oct 30
Current: £760 GBP|Low: £185 GBP|High: £1,560 GBP|Avg: £678 GBP|-8.5%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 26, 2026
Retailer 3£185 GBP
Retailer 2£278 GBP
Retailer 7£313 GBP
Retailer 4£403 GBP
Brilliance£760 GBP
Retailer 6£843 GBP
Retailer 5£1,560 GBP

9 data points across 7 retailers

3 retailers£185 GBP to £278 GBP

A
Cheapest Retailer
-
£185 GBP
$248 USD
Final sale: no returns
B+
Retailer 2
-
£278 GBP
$372 USD
View
Most Expensive
Brilliance
D44763497 · Oct 5
£760 GBP
$1,018 USD
View
Price last confirmed 26 days ago
2 more retailers have this diamond
Prices start from £185 GBPSave up to £93 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
1.57ct Heart
£185 GBP