Heart|Lab Grown|IGI

1.57ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG807699232

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG807699232

Diamond specifications and retailer prices

From £275 GBP
$369 USD
As of October 30, 2026
Save £1,060 GBP (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,336 GBP at MOH London · As of November 1, 2026
View at MOH London

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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG807699232 or 807699232. Listed at 18 retailers as of October 30, 2026, with prices from £275 to £1,336, a £1,060 spread on the same certified stone. MOH London lists it at £1,336. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807699232
Dimensions8.02 × 7.41 × 4.66 mm
L/W Ratio1.08
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
8.02 mm7.41 mm1.57 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807699232
Side View
Table 57.0%Crown 34.4°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 58.1%

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 30
Current: £1,336 GBP|Low: £224 GBP|High: £1,427 GBP|Avg: £723 GBP|-1.9%
MOH London
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
November 1, 2026
Retailer 13£264 GBP
Retailer 6£308 GBP
Retailer 14£342 GBP
Retailer 7£455 GBP
Retailer 8£459 GBP
Retailer 10£587 GBP
Retailer 12£588 GBP
Retailer 2£612 GBP
Retailer 9£793 GBP
Retailer 4£825 GBP
Retailer 11£1,002 GBP
Retailer 5£1,128 GBP
Retailer 3£1,290 GBP
MOH London£1,336 GBP

30 data points across 14 retailers

18 retailers£275 GBP to £1,336 GBP

Retailer 1
-
£264 GBP
$354 USD
Price last confirmed 30 days ago
A
Retailer 2
-
£275 GBP
$369 USD
View
A
Retailer 3
-
£308 GBP
$413 USD
View
Final sale: no returns
Retailer 4
-
£337 GBP
$452 USD
View
Price last confirmed 32 days ago
A
Retailer 5
-
£342 GBP
$458 USD
View
A
Retailer 6
-
£455 GBP
$610 USD
View
A
Retailer 7
-
£459 GBP
$615 USD
View
A
Retailer 8
-
£587 GBP
ZAR 12,711 ZAR
View
A
Retailer 9
-
£588 GBP
$788 USD
View
A
Retailer 10
-
£612 GBP
View
A
Retailer 11
-
£793 GBP
A$1,635 AUD
View
A
Retailer 12
-
£825 GBP
$1,105 USD
View
B+
Retailer 13
-
£1,002 GBP
$1,343 USD
View
B+
Retailer 14
-
£1,099 GBP
$1,472 USD
View
Retailer 15
-
£1,099 GBP
$1,472 USD
View
Price last confirmed 32 days ago
B+
Retailer 16
-
£1,128 GBP
$1,511 USD
View
B+
Retailer 17
-
£1,290 GBP
$1,729 USD
View
Most Expensive
B+
MOH London
LG807699232 · Nov 1
£1,336 GBP
View
17 more retailers have this diamond
Prices start from £275 GBPSave up to £1,060 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
£275 GBP