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Heart|Lab Grown|IGI

1.03ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG776683523

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG776683523

Diamond specifications and retailer prices

From £127 GBP
$170 USD
As of October 30, 2026
Save £691 GBP (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £818 GBP at Reve Diamonds · As of October 30, 2026
View at Reve 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 LG776683523 or 776683523. Listed at 20 retailers as of October 30, 2026, with prices from £127 to £818, a £691 spread on the same certified stone. Reve Diamonds lists it at £818. 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 angle33.5°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776683523
Dimensions6.39 × 6.88 × 4.09 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.39 mm6.88 mm1.03 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776683523
Side View
Table 56.0%Crown 33.5°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 59.4%

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: £279 GBP|Low: £127 GBP|High: £818 GBP|Avg: £360 GBP|+2.6%
Retailer 1
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Retailer 19
Reve Diamonds
October 31, 2026
Retailer 2£127 GBP
Retailer 7£141 GBP
Retailer 17£147 GBP
Retailer 4£157 GBP
Retailer 5£157 GBP
Retailer 19£211 GBP
Retailer 10£261 GBP
Retailer 15£269 GBP
Retailer 12£277 GBP
Retailer 1£279 GBP
Retailer 8£281 GBP
Retailer 14£298 GBP
Retailer 16£382 GBP
Retailer 9£393 GBP
Retailer 3£505 GBP
Retailer 18£533 GBP
Retailer 11£545 GBP
Retailer 6£716 GBP
Retailer 13£737 GBP
Reve Diamonds£818 GBP

39 data points across 20 retailers

20 retailers£127 GBP to £818 GBP

A
Cheapest Retailer
-
£127 GBP
$170 USD
A
Retailer 2
-
£141 GBP
$189 USD
View
Final sale: no returns
A
Retailer 3
-
£147 GBP
$197 USD
View
A
Retailer 4
-
£157 GBP
$210 USD
View
A
Retailer 5
-
£157 GBP
$210 USD
View
Retailer 6
-
£211 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
£261 GBP
$350 USD
View
A
Retailer 8
-
£269 GBP
ZAR 5,831 ZAR
View
A
Retailer 9
-
£277 GBP
View
A
Retailer 10
-
£279 GBP
€356 EUR
View
A
Retailer 11
-
£281 GBP
$377 USD
View
B+
Retailer 12
-
£298 GBP
View
B+
Retailer 13
-
£382 GBP
A$788 AUD
View
B+
Retailer 14
-
£393 GBP
$527 USD
View
B
Retailer 15
-
£505 GBP
$676 USD
View
B
Retailer 16
-
£533 GBP
$714 USD
View
B
Retailer 17
-
£545 GBP
$730 USD
View
Retailer 18
-
£716 GBP
$960 USD
View
Price last confirmed 17 days ago
B
Retailer 19
-
£737 GBP
View
Most Expensive
B
Reve Diamonds
0E42B1FAB · Oct 30
£818 GBP
$1,096 USD
View
19 more retailers have this diamond
Prices start from £127 GBPSave up to £691 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
£127 GBP