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Heart|Lab Grown|IGI

1.03ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG621435339

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG621435339

Diamond specifications and retailer prices

From £180 GBP
$241 USD
As of October 30, 2026
Save £791 GBP (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,545 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 LG621435339 or 621435339. Listed at 22 retailers as of October 30, 2026, with a 440% 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

1.03
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621435339
Dimensions6.15 × 7.25 × 4.10 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.15 mm7.25 mm1.03 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621435339
Side View
Table 58.0%Crown 32°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 56.6%

Caratlytics Score

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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: Oct 30
Current: £1,545 GBP|Low: £152 GBP|High: £1,709 GBP|Avg: £517 GBP|+0.5%
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
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
October 31, 2026
Retailer 9£157 GBP
Retailer 5£180 GBP
Retailer 3£210 GBP
Retailer 7£239 GBP
Retailer 18£239 GBP
Retailer 4£268 GBP
Retailer 12£295 GBP
Retailer 17£358 GBP
Retailer 8£368 GBP
Retailer 11£413 GBP
Retailer 15£537 GBP
Retailer 14£539 GBP
Retailer 16£643 GBP
Retailer 6£832 GBP
Retailer 13£887 GBP
Retailer 10£918 GBP
Retailer 2£971 GBP
Do Amore Diamonds£1,545 GBP

44 data points across 18 retailers

22 retailers£180 GBP to £971 GBP

Retailer 1
-
£157 GBP
$211 USD
Price last confirmed 12 days ago
A
Retailer 2
-
£180 GBP
$241 USD
View
Final sale: no returns
Retailer 3
-
£183 GBP
$245 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
£210 GBP
$281 USD
View
Retailer 5
-
£239 GBP
$320 USD
View
Price last confirmed 11 days ago
A
Retailer 6
-
£239 GBP
$320 USD
View
A
Retailer 7
-
£268 GBP
$359 USD
View
B+
Retailer 8
-
£295 GBP
View
Retailer 9
-
£358 GBP
$480 USD
View
Price last confirmed 6 days ago
Retailer 10
-
£368 GBP
ZAR 7,955 ZAR
View
Price last confirmed 13 days ago
Retailer 11
-
£406 GBP
View
Price last confirmed 10 days ago
B+
Retailer 12
-
£413 GBP
View
B
Retailer 13
-
£537 GBP
A$1,107 AUD
View
B
Retailer 14
-
£539 GBP
A$1,111 AUD
View
B
Retailer 15
-
£623 GBP
CA$1,159 CAD
View
B
Retailer 16
-
£643 GBP
$862 USD
View
Retailer 17
-
£694 GBP
$930 USD
View
Price last confirmed 14 days ago
B
Retailer 18
-
£832 GBP
SGD 1,506 SGD
View
B
Retailer 19
-
£887 GBP
View
Retailer 20
-
£918 GBP
$1,230 USD
View
Price last confirmed 13 days ago
B
Retailer 21
-
£971 GBP
$1,301 USD
View
Most Expensive
Do Amore Diamonds
27-922746128 · Oct 30
£1,545 GBP
$2,070 USD
View
Price under review
21 more retailers have this diamond
Prices start from £180 GBPSave up to £791 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
£180 GBP