Heart|Lab Grown|IGI

1.03ct H VVS1 Heart Lab Grown Diamond

ID • H/VVS1 • IGI LG831648628

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831648628

Diamond specifications and retailer prices

From £181 GBP
HK$1,900 HKD
As of November 1, 2026
Save £579 GBP (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £832 GBP at Reve Diamonds · As of October 25, 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 H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG831648628 or 831648628. Listed at 17 retailers as of October 26, 2026, with a 319% 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
H
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831648628
Dimensions6.84 × 6.39 × 4.09 mm
L/W Ratio1.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.84 mm6.39 mm1.03 ctH / VVS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG831648628
Side View
Table 67.0%Crown 37°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 59.8%

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: Nov 1
Current: £268 GBP|Low: £146 GBP|High: £847 GBP|Avg: £435 GBP|-2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Reve Diamonds
October 31, 2026
Retailer 4£146 GBP
Retailer 13£181 GBP
Retailer 10£190 GBP
Retailer 1£268 GBP
Retailer 12£275 GBP
Retailer 3£275 GBP
Retailer 2£289 GBP
Retailer 7£404 GBP
Retailer 6£441 GBP
Retailer 8£533 GBP
Retailer 5£563 GBP
Retailer 9£589 GBP
Retailer 11£760 GBP
Reve Diamonds£832 GBP

32 data points across 14 retailers

17 retailers£181 GBP to £760 GBP

Retailer 1
-
£131 GBP
$176 USD
Price last confirmed 16 days ago
Retailer 2
-
£152 GBP
$204 USD
View
Price last confirmed 18 days ago
Retailer 3
-
£162 GBP
$218 USD
View
Price last confirmed 18 days ago
A
Retailer 4
-
£181 GBP
HK$1,900 HKD
View
A
Retailer 5
-
£190 GBP
View
A
Retailer 6
-
£268 GBP
€342 EUR
View
Retailer 7
-
£275 GBP
ZAR 5,952 ZAR
View
Price last confirmed 10 days ago
B+
Retailer 8
-
£275 GBP
$369 USD
View
Retailer 9
-
£289 GBP
$388 USD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
£404 GBP
$542 USD
View
B+
Retailer 11
-
£441 GBP
SGD 799 SGD
View
Retailer 12
-
£522 GBP
$701 USD
View
Price last confirmed 16 days ago
B
Retailer 13
-
£533 GBP
$715 USD
View
B
Retailer 14
-
£563 GBP
$755 USD
View
B
Retailer 15
-
£589 GBP
$790 USD
View
B
Retailer 16
-
£760 GBP
View
Most Expensive
Reve Diamonds
0602BCFA4 · Oct 25
£832 GBP
$1,116 USD
View
Price last confirmed 8 days ago
16 more retailers have this diamond
Prices start from £181 GBPSave up to £579 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
£181 GBP