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Heart|Lab Grown|IGI

1.53ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG818644699

Shape and cutting style on the report: Heart modified brilliant

Certificate IGI LG818644699

Diamond specifications and retailer prices

From £279 GBP
$374 USD
As of November 2, 2026
Save £1,349 GBP (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,628 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.53ct lab-grown heart diamond

This 1.53ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818644699 or 818644699. Listed at 22 retailers as of October 27, 2026, with prices from £279 to £1,628, a £1,349 spread on the same certified stone. Queensmith lists it at £1,628. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle31.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644699
Dimensions6.66 × 7.53 × 4.00 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
6.66 mm7.53 mm1.53 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644699
Side View
Table 64.0%Crown 37.4°Girdle: Very ThickPavilion 31.1°Culet: NoneDepth 53.1%

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: Nov 2
Current: £874 GBP|Low: £268 GBP|High: £1,368 GBP|Avg: £711 GBP|+10.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 11£279 GBP
Retailer 4£323 GBP
Retailer 12£346 GBP
Retailer 5£385 GBP
Retailer 10£458 GBP
Retailer 6£597 GBP
Retailer 7£625 GBP
Retailer 9£803 GBP
Retailer 1£874 GBP
Retailer 3£1,113 GBP
Retailer 2£1,307 GBP
Retailer 8£1,352 GBP

37 data points across 12 retailers

22 retailers£279 GBP to £1,628 GBP

A
Cheapest Retailer
-
£279 GBP
$374 USD
A
Retailer 2
-
£312 GBP
$419 USD
View
Final sale: no returns
A
Retailer 3
-
£323 GBP
$434 USD
View
Retailer 4
-
£346 GBP
$464 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£346 GBP
$464 USD
View
A
Retailer 6
-
£382 GBP
HK$4,000 HKD
View
A
Retailer 7
-
£385 GBP
View
B+
Retailer 8
-
£434 GBP
$583 USD
View
B+
Retailer 9
-
£458 GBP
$615 USD
View
B+
Retailer 10
-
£466 GBP
$625 USD
View
B+
Retailer 11
-
£597 GBP
ZAR 12,936 ZAR
View
B+
Retailer 12
-
£625 GBP
View
B
Retailer 13
-
£803 GBP
A$1,658 AUD
View
B
Retailer 14
-
£874 GBP
$1,173 USD
View
B
Retailer 15
-
£1,105 GBP
SGD 2,004 SGD
View
B
Retailer 16
-
£1,111 GBP
$1,491 USD
View
B
Retailer 17
-
£1,113 GBP
$1,493 USD
View
B
Retailer 18
-
£1,141 GBP
$1,531 USD
View
B
Retailer 19
-
£1,304 GBP
$1,750 USD
View
B
Retailer 20
-
£1,307 GBP
$1,754 USD
View
B
Retailer 21
-
£1,352 GBP
View
Most Expensive
B
Queensmith
LG818644699 · Oct 27
£1,628 GBP
View
21 more retailers have this diamond
Prices start from £279 GBPSave up to £1,349 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
1.53ct Heart
£279 GBP