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Round|Lab Grown|IGI

0.99ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG813674075

Shape and cutting style on the report: Round brilliant

Certificate IGI LG813674075

Diamond specifications and retailer prices

From £122 GBP
$163 USD
As of October 29, 2026
Save £745 GBP (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £868 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG813674075 or 813674075. Listed at 23 retailers as of October 27, 2026, with prices from £122 to £868, a £745 spread on the same certified stone. Queensmith lists it at £868. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813674075
Dimensions6.37 × 6.42 × 3.94 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
6.37 mm6.42 mm0.99 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813674075
Side View
Table 58.0%Crown 34.9°Girdle: MediumPavilion 41°Culet: NoneDepth 61.5%

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: £267 GBP|Low: £122 GBP|High: £807 GBP|Avg: £344 GBP|+2.3%
Retailer 1
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Retailer 21
October 30, 2026
Retailer 4£122 GBP
Retailer 7£137 GBP
Retailer 5£142 GBP
Retailer 19£152 GBP
Retailer 21£152 GBP
Retailer 3£173 GBP
Retailer 11£204 GBP
Retailer 1£267 GBP
Retailer 15£274 GBP
Retailer 12£293 GBP
Retailer 14£299 GBP
Retailer 18£377 GBP
Retailer 6£389 GBP
Retailer 8£396 GBP
Retailer 13£415 GBP
Retailer 20£446 GBP
Retailer 2£487 GBP
Retailer 17£488 GBP
Retailer 9£528 GBP
Retailer 16£710 GBP
Retailer 10£807 GBP

42 data points across 21 retailers

23 retailers£122 GBP to £868 GBP

A
Cheapest Retailer
-
£122 GBP
$163 USD
A
Retailer 2
-
£137 GBP
$182 USD
View
Final sale: no returns
A
Retailer 3
-
£142 GBP
$189 USD
View
A
Retailer 4
-
£152 GBP
$202 USD
View
A
Retailer 5
-
£152 GBP
$202 USD
View
A
Retailer 6
-
£173 GBP
HK$1,800 HKD
View
B+
Retailer 7
-
£204 GBP
$272 USD
View
A
Retailer 8
-
£267 GBP
View
A
Retailer 9
-
£274 GBP
ZAR 5,890 ZAR
View
A
Retailer 10
-
£293 GBP
€371 EUR
View
B+
Retailer 11
-
£377 GBP
A$773 AUD
View
Retailer 12
-
£387 GBP
$516 USD
View
Price last confirmed 14 days ago
B+
Retailer 13
-
£389 GBP
$518 USD
View
B+
Retailer 14
-
£396 GBP
$528 USD
View
B+
Retailer 15
-
£415 GBP
SGD 746 SGD
View
B+
Retailer 16
-
£419 GBP
A$858 AUD
View
B+
Retailer 17
-
£446 GBP
A$913 AUD
View
B
Retailer 18
-
£487 GBP
$649 USD
View
B
Retailer 19
-
£488 GBP
$650 USD
View
B
Retailer 20
-
£528 GBP
$703 USD
View
B
Retailer 21
-
£710 GBP
View
B
Retailer 22
-
£807 GBP
$1,075 USD
View
Most Expensive
B
Queensmith
LG813674075 · Oct 27
£868 GBP
View
22 more retailers have this diamond
Prices start from £122 GBPSave up to £745 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
£122 GBP