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Round|Lab Grown|IGI

0.99ct E VVS2 Round Lab Grown Diamond

ID • E/VVS2 • IGI LG781618330

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781618330

Diamond specifications and retailer prices

From £115 GBP
$154 USD
As of October 29, 2026
Save £1,032 GBP (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,147 GBP at Queensmith · As of October 27, 2026
View at Queensmith

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG781618330 or 781618330. Listed at 22 retailers as of October 27, 2026, with prices from £115 to £1,147, a £1,032 spread on the same certified stone. Queensmith lists it at £1,147. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781618330
Dimensions6.47 × 6.50 × 3.90 mm
L/W Ratio1.00
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
6.47 mm6.50 mm0.99 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781618330
Side View
Table 57.0%Crown 32.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.1%

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: £128 GBP|Low: £110 GBP|High: £673 GBP|Avg: £267 GBP|-16.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 11£115 GBP
Retailer 1£128 GBP
Retailer 4£133 GBP
Retailer 2£142 GBP
Retailer 12£193 GBP
Retailer 5£247 GBP
Retailer 7£257 GBP
Retailer 6£269 GBP
Retailer 3£323 GBP
Retailer 9£354 GBP
Retailer 10£365 GBP
Retailer 8£665 GBP

44 data points across 12 retailers

22 retailers£115 GBP to £1,147 GBP

A
Cheapest Retailer
-
£115 GBP
$154 USD
A
Retailer 2
-
£128 GBP
$172 USD
View
Final sale: no returns
A
Retailer 3
-
£133 GBP
$178 USD
View
A
Retailer 4
-
£142 GBP
$190 USD
View
A
Retailer 5
-
£142 GBP
$190 USD
View
A
Retailer 6
-
£162 GBP
HK$1,700 HKD
View
B+
Retailer 7
-
£193 GBP
$258 USD
View
A
Retailer 8
-
£240 GBP
$321 USD
View
A
Retailer 9
-
£247 GBP
View
A
Retailer 10
-
£257 GBP
ZAR 5,561 ZAR
View
A
Retailer 11
-
£269 GBP
€343 EUR
View
B+
Retailer 12
-
£323 GBP
$433 USD
View
B+
Retailer 13
-
£354 GBP
A$730 AUD
View
Retailer 14
-
£357 GBP
$478 USD
View
Price last confirmed 75 days ago
B+
Retailer 15
-
£365 GBP
$489 USD
View
B+
Retailer 16
-
£390 GBP
SGD 707 SGD
View
B+
Retailer 17
-
£457 GBP
$612 USD
View
B+
Retailer 18
-
£458 GBP
$614 USD
View
B
Retailer 19
-
£498 GBP
$667 USD
View
B
Retailer 20
-
£665 GBP
View
B
Retailer 21
-
£780 GBP
$1,046 USD
View
Most Expensive
B
Queensmith
LG781618330 · Oct 27
£1,147 GBP
View
21 more retailers have this diamond
Prices start from £115 GBPSave up to £1,032 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
£115 GBP