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Heart|Lab Grown|IGI

1.57ct G VVS2 Heart Lab Grown Diamond

EX • G/VVS2 • IGI LG819662363

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG819662363

Diamond specifications and retailer prices

From £185 GBP
$248 USD
As of October 30, 2026
Save £211 GBP (53%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £396 GBP at 77 Diamonds · As of October 31, 2026
View at 77 Diamonds

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 LG819662363 or 819662363. Listed at 2 retailers as of October 30, 2026, with prices from £185 to £396, a £211 spread on the same certified stone. 77 Diamonds lists it at £396. 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 angle35.2°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819662363
Dimensions6.95 × 8.09 × 4.81 mm
L/W Ratio1.16
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.95 mm8.09 mm1.57 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819662363
Side View
Table 58.0%Crown 35.2°Girdle: STK-THKPavilion 39.7°Culet: NoneDepth 59.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £396 GBP|Low: £183 GBP|High: £416 GBP|Avg: £343 GBP|+1.1%
77 Diamonds
Retailer 2
Retailer 3
October 31, 2026
Retailer 2£185 GBP
Retailer 3£329 GBP
77 Diamonds£396 GBP

39 data points across 3 retailers

2 retailers£185 GBP to £396 GBP

A
Cheapest Retailer
-
£185 GBP
$248 USD
Final sale: no returns
Most Expensive
B+
77 Diamonds
HSTVS6TQEWDWS · Oct 31
£396 GBP
View
1 more retailer has this diamond
Prices start from £185 GBPSave up to £211 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