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Round|Lab Grown|IGI

0.99ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG845603323

Shape and cutting style on the report: Round brilliant

Certificate IGI LG845603323

Diamond specifications and retailer prices

From £105 GBP
$140 USD
As of October 29, 2026
Save £649 GBP (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £754 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845603323 or 845603323. Listed at 20 retailers as of October 28, 2026, with prices from £105 to £754, a £649 spread on the same certified stone. Reve Diamonds lists it at £754. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845603323
Dimensions6.34 × 6.37 × 3.96 mm
L/W Ratio1.00
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
6.34 mm6.37 mm0.99 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845603323
Side View
Table 55.0%Crown 35.3°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.3%

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: £470 GBP|Low: £105 GBP|High: £771 GBP|Avg: £318 GBP|-2.8%
Retailer 1
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Retailer 19
Reve Diamonds
October 29, 2026
Retailer 14£105 GBP
Retailer 15£128 GBP
Retailer 10£128 GBP
Retailer 6£131 GBP
Retailer 8£137 GBP
Retailer 12£223 GBP
Retailer 19£227 GBP
Retailer 13£228 GBP
Retailer 5£236 GBP
Retailer 2£243 GBP
Retailer 16£256 GBP
Retailer 3£312 GBP
Retailer 7£343 GBP
Retailer 17£371 GBP
Retailer 4£421 GBP
Retailer 11£467 GBP
Retailer 1£470 GBP
Retailer 18£503 GBP
Retailer 9£644 GBP
Reve Diamonds£754 GBP

10 data points across 20 retailers

20 retailers£105 GBP to £754 GBP

A
Cheapest Retailer
-
£105 GBP
$140 USD
A
Retailer 2
-
£128 GBP
$170 USD
View
Final sale: no returns
A
Retailer 3
-
£128 GBP
$171 USD
View
A
Retailer 4
-
£131 GBP
$174 USD
View
A
Retailer 5
-
£137 GBP
$183 USD
View
A
Retailer 6
-
£223 GBP
View
A
Retailer 7
-
£227 GBP
$302 USD
View
A
Retailer 8
-
£228 GBP
€289 EUR
View
A
Retailer 9
-
£236 GBP
ZAR 5,085 ZAR
View
A
Retailer 10
-
£243 GBP
$324 USD
View
A
Retailer 11
-
£256 GBP
View
B+
Retailer 12
-
£312 GBP
$415 USD
View
B+
Retailer 13
-
£343 GBP
A$702 AUD
View
B+
Retailer 14
-
£371 GBP
$494 USD
View
B+
Retailer 15
-
£421 GBP
$560 USD
View
B
Retailer 16
-
£467 GBP
$622 USD
View
B+
Retailer 17
-
£470 GBP
$626 USD
View
B
Retailer 18
-
£503 GBP
$670 USD
View
B
Retailer 19
-
£644 GBP
View
Most Expensive
B
Reve Diamonds
40F96AF13 · Oct 28
£754 GBP
$1,004 USD
View
19 more retailers have this diamond
Prices start from £105 GBPSave up to £649 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
£105 GBP