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Heart|Lab Grown|IGI

0.99ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG817670766

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG817670766

Diamond specifications and retailer prices

From £155 GBP
$207 USD
As of October 28, 2026
Save £707 GBP (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £862 GBP at Reve Diamonds · As of October 28, 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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG817670766 or 817670766. Listed at 19 retailers as of October 28, 2026, with prices from £155 to £862, a £707 spread on the same certified stone. Reve Diamonds lists it at £862. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817670766
Dimensions6.77 × 6.27 × 3.94 mm
L/W Ratio1.08
Girdle conditionFaceted
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
6.77 mm6.27 mm0.99 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817670766
Side View
Table 56.0%Crown 37.4°Girdle: STK-THKPavilion 38.5°Culet: NoneDepth 58.2%

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 28
Current: £297 GBP|Low: £110 GBP|High: £864 GBP|Avg: £455 GBP|+2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
October 29, 2026
Retailer 3£155 GBP
Retailer 12£244 GBP
Retailer 1£297 GBP
Retailer 11£302 GBP
Retailer 5£311 GBP
Retailer 6£313 GBP
Retailer 2£363 GBP
Retailer 7£431 GBP
Retailer 9£587 GBP
Retailer 4£597 GBP
Retailer 10£721 GBP
Retailer 8£810 GBP
Reve Diamonds£862 GBP

34 data points across 13 retailers

19 retailers£155 GBP to £862 GBP

A
Retailer 1
-
£140 GBP
$186 USD
Price last confirmed 21 days ago
A
Retailer 2
-
£155 GBP
$207 USD
View
Final sale: no returns
A
Retailer 3
-
£162 GBP
$216 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
£170 GBP
$227 USD
View
Price last confirmed 34 days ago
A
Retailer 5
-
£173 GBP
$230 USD
View
Price last confirmed 26 days ago
A
Retailer 6
-
£173 GBP
$230 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
£244 GBP
$325 USD
View
A
Retailer 8
-
£297 GBP
€377 EUR
View
A
Retailer 9
-
£302 GBP
$402 USD
View
A
Retailer 10
-
£311 GBP
View
A
Retailer 11
-
£313 GBP
ZAR 6,727 ZAR
View
B+
Retailer 12
-
£363 GBP
$484 USD
View
B+
Retailer 13
-
£431 GBP
A$884 AUD
View
B
Retailer 14
-
£556 GBP
$741 USD
View
Price last confirmed 28 days ago
B
Retailer 15
-
£587 GBP
$782 USD
View
B
Retailer 16
-
£597 GBP
$795 USD
View
B
Retailer 17
-
£721 GBP
$960 USD
View
B
Retailer 18
-
£810 GBP
View
Most Expensive
B
Reve Diamonds
228617078 · Oct 28
£862 GBP
$1,148 USD
View
18 more retailers have this diamond
Prices start from £155 GBPSave up to £707 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
£155 GBP