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Heart|Lab Grown|IGI

0.99ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG790691456

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG790691456

Diamond specifications and retailer prices

From £249 GBP
$333 USD
As of November 1, 2026
Save £419 GBP (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £782 GBP at Reve Diamonds · As of October 11, 2026
View at Reve Diamonds

About this 0.99ct lab-grown heart diamond

This 0.99ct lab-grown heart sits in the just-under-one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG790691456 or 790691456. Listed at 14 retailers as of November 1, 2026, with a 168% 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
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790691456
Dimensions5.99 × 6.85 × 4.15 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.99 mm6.85 mm0.99 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790691456
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 40°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
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: Nov 1
Current: £249 GBP|Low: £128 GBP|High: £785 GBP|Avg: £358 GBP|+3.4%
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
Reve Diamonds
November 2, 2026
Retailer 3£128 GBP
Retailer 6£144 GBP
Retailer 12£184 GBP
Retailer 14£249 GBP
Retailer 1£249 GBP
Retailer 8£259 GBP
Retailer 4£260 GBP
Retailer 10£271 GBP
Retailer 7£356 GBP
Retailer 13£380 GBP
Retailer 5£478 GBP
Retailer 11£484 GBP
Retailer 2£500 GBP
Retailer 9£667 GBP
Reve Diamonds£782 GBP

36 data points across 15 retailers

14 retailers£249 GBP to £667 GBP

Retailer 1
-
£142 GBP
$190 USD
Price last confirmed 35 days ago
Retailer 2
-
£184 GBP
View
Price last confirmed 16 days ago
A
Retailer 3
-
£249 GBP
$333 USD
View
A
Retailer 4
-
£249 GBP
View
A
Retailer 5
-
£259 GBP
ZAR 5,611 ZAR
View
A
Retailer 6
-
£260 GBP
$348 USD
View
B+
Retailer 7
-
£271 GBP
View
B+
Retailer 8
-
£356 GBP
A$733 AUD
View
B+
Retailer 9
-
£380 GBP
$509 USD
View
B
Retailer 10
-
£478 GBP
$640 USD
View
B
Retailer 11
-
£484 GBP
$649 USD
View
B
Retailer 12
-
£500 GBP
$670 USD
View
B
Retailer 13
-
£667 GBP
View
Most Expensive
Reve Diamonds
C0AC834AE · Oct 11
£782 GBP
$1,047 USD
View
Price last confirmed 22 days ago
13 more retailers have this diamond
Prices start from £249 GBPSave up to £419 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
£249 GBP