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Heart|Lab Grown|IGI

1.03ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG831657551

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831657551

Diamond specifications and retailer prices

From £142 GBP
$190 USD
As of October 30, 2026
Save £806 GBP (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £948 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.03ct lab-grown heart diamond

This 1.03ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831657551 or 831657551. Listed at 13 retailers as of October 30, 2026, with prices from £142 to £948, a £806 spread on the same certified stone. Do Amore Diamonds lists it at £948. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831657551
Dimensions6.89 × 6.16 × 4.25 mm
L/W Ratio1.12
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.89 mm6.16 mm1.03 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831657551
Side View
Table 60.0%Crown 33.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.7%

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: £948 GBP|Low: £142 GBP|High: £1,030 GBP|Avg: £509 GBP
Do Amore 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
October 31, 2026
Retailer 7£142 GBP
Retailer 6£203 GBP
Retailer 9£213 GBP
Retailer 10£233 GBP
Retailer 3£311 GBP
Retailer 11£316 GBP
Retailer 4£441 GBP
Retailer 13£518 GBP
Retailer 2£536 GBP
Retailer 12£689 GBP
Retailer 8£822 GBP
Retailer 5£847 GBP
Do Amore Diamonds£948 GBP

21 data points across 13 retailers

13 retailers£142 GBP to £948 GBP

A
Cheapest Retailer
-
£142 GBP
$190 USD
Final sale: no returns
A
Retailer 2
-
£203 GBP
$272 USD
View
B+
Retailer 3
-
£213 GBP
$286 USD
View
A
Retailer 4
-
£233 GBP
View
B+
Retailer 5
-
£311 GBP
ZAR 6,725 ZAR
View
B+
Retailer 6
-
£316 GBP
View
B+
Retailer 7
-
£441 GBP
A$910 AUD
View
B
Retailer 8
-
£518 GBP
A$1,067 AUD
View
B+
Retailer 9
-
£536 GBP
$718 USD
View
B
Retailer 10
-
£689 GBP
$923 USD
View
B
Retailer 11
-
£822 GBP
$1,101 USD
View
B
Retailer 12
-
£847 GBP
View
Most Expensive
B
Do Amore Diamonds
36-1975528 · Oct 30
£948 GBP
$1,270 USD
View
12 more retailers have this diamond
Prices start from £142 GBPSave up to £806 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
1.03ct Heart
£142 GBP