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Round|Lab Grown|IGI

0.99ct E VVS1 Round Lab Grown Diamond

ID • E/VVS1 • IGI LG704591599

Shape and cutting style on the report: Round brilliant

Certificate IGI LG704591599

Diamond specifications and retailer prices

From £139 GBP
$185 USD
As of October 29, 2026
Save £722 GBP (84%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £860 GBP at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 0.99ct lab-grown round diamond

This 0.99ct lab-grown round 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 LG704591599 or 704591599. Listed at 23 retailers as of October 28, 2026, with prices from £139 to £860, a £722 spread on the same certified stone. Reve Diamonds lists it at £860. 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 angle33.4°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG704591599
Dimensions6.40 × 6.45 × 3.85 mm
L/W Ratio1.01
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
6.40 mm6.45 mm0.99 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG704591599
Side View
Table 58.0%Crown 33.4°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 59.9%

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: Oct 29
Current: £310 GBP|Low: £109 GBP|High: £860 GBP|Avg: £384 GBP|+7.2%
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
Retailer 16
Reve Diamonds
October 29, 2026
Retailer 14£139 GBP
Retailer 6£155 GBP
Retailer 3£172 GBP
Retailer 16£263 GBP
Retailer 4£303 GBP
Retailer 1£310 GBP
Retailer 10£311 GBP
Retailer 9£331 GBP
Retailer 2£351 GBP
Retailer 11£430 GBP
Retailer 15£438 GBP
Retailer 5£458 GBP
Retailer 12£537 GBP
Retailer 8£592 GBP
Retailer 7£594 GBP
Retailer 13£807 GBP
Reve Diamonds£860 GBP

45 data points across 17 retailers

23 retailers£139 GBP to £860 GBP

A
Retailer 1
-
£137 GBP
$183 USD
Price last confirmed 41 days ago
A
Retailer 2
-
£139 GBP
$185 USD
View
A
Retailer 3
-
£155 GBP
$207 USD
View
Final sale: no returns
A
Retailer 4
-
£161 GBP
$215 USD
View
A
Retailer 5
-
£169 GBP
$225 USD
View
Price last confirmed 40 days ago
A
Retailer 6
-
£172 GBP
$229 USD
View
A
Retailer 7
-
£263 GBP
$350 USD
View
B+
Retailer 8
-
£303 GBP
$404 USD
View
A
Retailer 9
-
£310 GBP
View
A
Retailer 10
-
£311 GBP
ZAR 6,700 ZAR
View
B+
Retailer 11
-
£331 GBP
€420 EUR
View
B+
Retailer 12
-
£351 GBP
$467 USD
View
B+
Retailer 13
-
£430 GBP
A$880 AUD
View
B+
Retailer 14
-
£438 GBP
A$898 AUD
View
B
Retailer 15
-
£458 GBP
$610 USD
View
B
Retailer 16
-
£490 GBP
View
B+
Retailer 17
-
£537 GBP
A$1,100 AUD
View
B
Retailer 18
-
£549 GBP
$731 USD
View
Price last confirmed 38 days ago
B
Retailer 19
-
£594 GBP
$792 USD
View
B
Retailer 20
-
£604 GBP
$805 USD
View
B
Retailer 21
-
£807 GBP
View
Most Expensive
B
Reve Diamonds
AD63F4AD6 · Oct 28
£860 GBP
$1,146 USD
View
21 more retailers have this diamond
Prices start from £139 GBPSave up to £722 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 Round
£139 GBP