Round|Lab Grown|IGI

0.99ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG816607469

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816607469

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 LG816607469 or 816607469. 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 angle34.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816607469
Dimensions6.42 × 6.46 × 3.91 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
6.42 mm6.46 mm0.99 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816607469
Side View
Table 60.0%Crown 34.8°Girdle: MediumPavilion 40.9°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: £849 GBP|Low: £121 GBP|High: £849 GBP|Avg: £363 GBP
Queensmith
Retailer 2
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Retailer 24
October 29, 2026
Retailer 3£121 GBP
Retailer 14£135 GBP
Retailer 16£140 GBP
Retailer 4£150 GBP
Retailer 8£150 GBP
Retailer 6£173 GBP
Retailer 10£203 GBP
Retailer 7£231 GBP
Retailer 13£260 GBP
Retailer 2£263 GBP
Retailer 19£271 GBP
Retailer 18£294 GBP
Retailer 21£319 GBP
Retailer 9£331 GBP
Retailer 20£373 GBP
Retailer 15£411 GBP
Retailer 5£482 GBP
Retailer 17£488 GBP
Retailer 23£509 GBP
Retailer 12£523 GBP
Retailer 24£586 GBP
Retailer 22£705 GBP
Retailer 11£803 GBP
Queensmith£849 GBP

24 data points across 24 retailers

24 retailers£121 GBP to £849 GBP

A
Cheapest Retailer
-
£121 GBP
$161 USD
A
Retailer 2
-
£135 GBP
$180 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
-
£260 GBP
€330 EUR
View
A
Retailer 10
-
£263 GBP
View
A
Retailer 11
-
£271 GBP
ZAR 5,831 ZAR
View
A
Retailer 12
-
£294 GBP
View
B+
Retailer 13
-
£319 GBP
$425 USD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
£331 GBP
$441 USD
View
B+
Retailer 15
-
£373 GBP
A$765 AUD
View
B+
Retailer 16
-
£411 GBP
SGD 740 SGD
View
B
Retailer 17
-
£482 GBP
$642 USD
View
B
Retailer 18
-
£488 GBP
$650 USD
View
B
Retailer 19
-
£509 GBP
$678 USD
View
B
Retailer 20
-
£523 GBP
$697 USD
View
B
Retailer 21
-
£586 GBP
$780 USD
View
B
Retailer 22
-
£705 GBP
View
Price last confirmed 8 days ago
B
Retailer 23
-
£803 GBP
$1,069 USD
View
Most Expensive
B
Queensmith
LG816607469 · 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