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Heart|Lab Grown|IGI

1.57ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG677507567

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG677507567

Diamond specifications and retailer prices

From £217 GBP
$289 USD
As of October 27, 2026
Save £866 GBP (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,690 GBP at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG677507567 or 677507567. Listed at 20 retailers as of October 27, 2026, with a 399% 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
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677507567
Dimensions7.08 × 8.03 × 4.72 mm
L/W Ratio1.13
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
7.08 mm8.03 mm1.57 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677507567
Side View
Table 55.0%Crown 34.8°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 58.8%

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: Oct 27
Current: £1,690 GBP|Low: £208 GBP|High: £1,735 GBP|Avg: £602 GBP|-2.6%
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
Retailer 17
October 29, 2026
Retailer 4£217 GBP
Retailer 17£242 GBP
Retailer 8£252 GBP
Retailer 3£269 GBP
Retailer 5£269 GBP
Retailer 14£288 GBP
Retailer 15£421 GBP
Retailer 7£442 GBP
Retailer 12£462 GBP
Retailer 9£466 GBP
Retailer 2£475 GBP
Retailer 11£625 GBP
Retailer 13£707 GBP
Retailer 6£864 GBP
Retailer 16£1,034 GBP
Retailer 10£1,083 GBP
Brilliant Earth£1,690 GBP

42 data points across 17 retailers

20 retailers£217 GBP to £1,083 GBP

A
Cheapest Retailer
-
£217 GBP
$289 USD
A
Retailer 2
-
£242 GBP
$322 USD
View
Final sale: no returns
A
Retailer 3
-
£252 GBP
$335 USD
View
A
Retailer 4
-
£269 GBP
$358 USD
View
A
Retailer 5
-
£269 GBP
$358 USD
View
A
Retailer 6
-
£288 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
£421 GBP
$560 USD
View
A
Retailer 8
-
£442 GBP
$588 USD
View
B+
Retailer 9
-
£462 GBP
ZAR 9,938 ZAR
View
B+
Retailer 10
-
£466 GBP
$621 USD
View
B+
Retailer 11
-
£475 GBP
View
B+
Retailer 12
-
£509 GBP
$678 USD
View
B+
Retailer 13
-
£625 GBP
A$1,281 AUD
View
B
Retailer 14
-
£707 GBP
$942 USD
View
B
Retailer 15
-
£843 GBP
$1,122 USD
View
B
Retailer 16
-
£864 GBP
$1,151 USD
View
B
Retailer 17
-
£901 GBP
$1,200 USD
View
B
Retailer 18
-
£1,034 GBP
$1,377 USD
View
B
Retailer 19
-
£1,083 GBP
View
Most Expensive
B
Brilliant Earth
14978893A · Oct 16
£1,690 GBP
$2,250 USD
View
Price last confirmed 13 days ago
19 more retailers have this diamond
Prices start from £217 GBPSave up to £866 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
£217 GBP