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Heart|Lab Grown|IGI

0.99ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG747569306

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG747569306

Diamond specifications and retailer prices

From £213 GBP
$286 USD
As of October 30, 2026
Save £563 GBP (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,411 GBP at Do Amore Diamonds · As of October 24, 2026
View at Do Amore Diamonds

About this 0.99ct lab-grown heart diamond

This 0.99ct lab-grown heart sits in the just-under-one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG747569306 or 747569306. Listed at 18 retailers as of October 30, 2026, with a 264% 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

0.99
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG747569306
Dimensions6.43 × 6.78 × 3.99 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.43 mm6.78 mm0.99 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG747569306
Side View
Table 60.0%Crown 36.2°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 58.8%

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: £494 GBP|Low: £141 GBP|High: £818 GBP|Avg: £377 GBP
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
Retailer 14
Retailer 15
October 31, 2026
Retailer 4£147 GBP
Retailer 11£165 GBP
Retailer 7£171 GBP
Retailer 5£183 GBP
Retailer 10£213 GBP
Retailer 9£248 GBP
Retailer 12£259 GBP
Retailer 15£361 GBP
Retailer 13£363 GBP
Retailer 8£475 GBP
Retailer 1£494 GBP
Retailer 2£507 GBP
Retailer 3£589 GBP
Retailer 6£648 GBP
Retailer 14£812 GBP

42 data points across 15 retailers

18 retailers£213 GBP to £776 GBP

Retailer 1
-
£147 GBP
$197 USD
Price last confirmed 9 days ago
Retailer 2
-
£171 GBP
$229 USD
View
Price last confirmed 10 days ago
Retailer 3
-
£183 GBP
$245 USD
View
Price last confirmed 9 days ago
Retailer 4
-
£183 GBP
$245 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
£213 GBP
$286 USD
View
A
Retailer 6
-
£248 GBP
$332 USD
View
Retailer 7
-
£259 GBP
View
Price last confirmed 9 days ago
Retailer 8
-
£361 GBP
ZAR 7,819 ZAR
View
Price last confirmed 13 days ago
Retailer 9
-
£363 GBP
View
Price last confirmed 9 days ago
B+
Retailer 10
-
£475 GBP
A$979 AUD
View
B
Retailer 11
-
£494 GBP
A$1,018 AUD
View
Retailer 12
-
£507 GBP
A$1,045 AUD
View
Price last confirmed 13 days ago
Retailer 13
-
£589 GBP
$789 USD
View
Price last confirmed 9 days ago
Retailer 14
-
£648 GBP
$868 USD
View
Price last confirmed 9 days ago
B
Retailer 15
-
£776 GBP
$1,040 USD
View
Retailer 16
-
£812 GBP
View
Price last confirmed 10 days ago
Retailer 17
-
£885 GBP
$1,186 USD
View
Price last confirmed 8 days ago
Most Expensive
Do Amore Diamonds
27-F630DBBDC · Oct 24
£1,411 GBP
$1,890 USD
View
Price under review
17 more retailers have this diamond
Prices start from £213 GBPSave up to £563 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
0.99ct Heart
£213 GBP