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Heart|Lab Grown|IGI

1.57ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG836610796

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836610796

Diamond specifications and retailer prices

From £227 GBP
$301 USD
As of October 27, 2026
Save £913 GBP (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,856 GBP at Novita Diamonds · As of October 5, 2026
View at Novita 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836610796 or 836610796. Listed at 19 retailers as of October 27, 2026, with a 403% 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836610796
Dimensions8.13 × 7.03 × 4.70 mm
L/W Ratio1.16
Girdle conditionFaceted
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
8.13 mm7.03 mm1.57 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836610796
Side View
Table 64.0%Crown 35.2°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 57.8%

Caratlytics Score

How it works →
A+
Exceptional
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: £1,856 GBP|Low: £253 GBP|High: £1,856 GBP|Avg: £766 GBP|+2.4%
Novita Diamonds
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 29, 2026
Retailer 3£253 GBP
Retailer 14£263 GBP
Retailer 13£281 GBP
Retailer 5£378 GBP
Retailer 12£399 GBP
Retailer 10£482 GBP
Retailer 11£495 GBP
Retailer 9£654 GBP
Retailer 15£820 GBP
Retailer 16£862 GBP
Retailer 7£902 GBP
Retailer 4£937 GBP
Retailer 8£986 GBP
Retailer 2£1,130 GBP
Retailer 6£1,140 GBP
Novita Diamonds£1,856 GBP

42 data points across 16 retailers

19 retailers£227 GBP to £1,140 GBP

A+
Cheapest Retailer
-
£227 GBP
$301 USD
A
Retailer 2
-
£253 GBP
$336 USD
View
Final sale: no returns
A
Retailer 3
-
£263 GBP
$349 USD
View
A
Retailer 4
-
£281 GBP
$373 USD
View
A
Retailer 5
-
£281 GBP
$373 USD
View
A
Retailer 6
-
£378 GBP
$502 USD
View
A
Retailer 7
-
£399 GBP
$530 USD
View
A
Retailer 8
-
£482 GBP
ZAR 10,346 ZAR
View
A
Retailer 9
-
£495 GBP
View
A
Retailer 10
-
£654 GBP
A$1,337 AUD
View
A
Retailer 11
-
£820 GBP
$1,089 USD
View
B+
Retailer 12
-
£862 GBP
$1,145 USD
View
A
Retailer 13
-
£902 GBP
$1,198 USD
View
A
Retailer 14
-
£902 GBP
SGD 1,619 SGD
View
B+
Retailer 15
-
£937 GBP
$1,246 USD
View
B+
Retailer 16
-
£986 GBP
$1,310 USD
View
B+
Retailer 17
-
£1,130 GBP
View
B+
Retailer 18
-
£1,140 GBP
$1,515 USD
View
Most Expensive
B
Novita Diamonds
cert_836610796 · Oct 5
£1,856 GBP
A$3,795 AUD
View
Price last confirmed 24 days ago
18 more retailers have this diamond
Prices start from £227 GBPSave up to £913 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
£227 GBP