CaratHunter
Plans
Round|Lab Grown|IGI

0.99ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG811636199

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811636199

Diamond specifications and retailer prices

From £121 GBP
$161 USD
As of October 29, 2026
Save £728 GBP (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £849 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811636199 or 811636199. Listed at 24 retailers as of October 27, 2026, with prices from £121 to £849, a £728 spread on the same certified stone. Queensmith lists it at £849. 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 angle33.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811636199
Dimensions6.38 × 6.43 × 3.88 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.38 mm6.43 mm0.99 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811636199
Side View
Table 58.0%Crown 33.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.6%

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: £263 GBP|Low: £116 GBP|High: £710 GBP|Avg: £331 GBP|+4.9%
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 29, 2026
Retailer 12£121 GBP
Retailer 2£134 GBP
Retailer 3£203 GBP
Retailer 1£263 GBP
Retailer 8£271 GBP
Retailer 7£281 GBP
Retailer 5£294 GBP
Retailer 10£319 GBP
Retailer 9£373 GBP
Retailer 11£392 GBP
Retailer 4£586 GBP
Retailer 6£705 GBP

36 data points across 12 retailers

24 retailers£121 GBP to £849 GBP

A
Cheapest Retailer
-
£121 GBP
$161 USD
A
Retailer 2
-
£134 GBP
$179 USD
View
Final sale: no returns
A
Retailer 3
-
£140 GBP
$187 USD
View
A
Retailer 4
-
£150 GBP
$200 USD
View
A
Retailer 5
-
£150 GBP
$200 USD
View
A
Retailer 6
-
£173 GBP
HK$1,800 HKD
View
B+
Retailer 7
-
£203 GBP
$270 USD
View
A
Retailer 8
-
£231 GBP
$308 USD
View
A
Retailer 9
-
£263 GBP
View
A
Retailer 10
-
£271 GBP
ZAR 5,831 ZAR
View
A
Retailer 11
-
£281 GBP
€357 EUR
View
A
Retailer 12
-
£294 GBP
View
B+
Retailer 13
-
£319 GBP
$425 USD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
£373 GBP
A$765 AUD
View
B+
Retailer 15
-
£392 GBP
$522 USD
View
B+
Retailer 16
-
£411 GBP
SGD 740 SGD
View
B
Retailer 17
-
£461 GBP
$614 USD
View
Price last confirmed 37 days ago
B
Retailer 18
-
£482 GBP
$642 USD
View
B
Retailer 19
-
£488 GBP
$650 USD
View
B
Retailer 20
-
£523 GBP
$697 USD
View
B
Retailer 21
-
£586 GBP
$780 USD
View
B
Retailer 22
-
£705 GBP
View
B
Retailer 23
-
£803 GBP
$1,069 USD
View
Most Expensive
B
Queensmith
LG811636199 · Oct 27
£849 GBP
View
23 more retailers have this diamond
Prices start from £121 GBPSave up to £728 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
£121 GBP