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Round|Lab Grown|IGI

0.99ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG797603267

Shape and cutting style on the report: Round brilliant

Certificate IGI LG797603267

Diamond specifications and retailer prices

From £122 GBP
$162 USD
As of October 28, 2026
Save £373 GBP (75%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £495 GBP at Frank Darling · As of October 29, 2026
View at Frank Darling

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 LG797603267 or 797603267. Listed at 6 retailers as of October 28, 2026, with prices from £122 to £495, a £373 spread on the same certified stone. Frank Darling lists it at £495. 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 angle33.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797603267
Dimensions6.54 × 6.47 × 3.90 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.54 mm6.47 mm0.99 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797603267
Side View
Table 60.0%Crown 33.5°Girdle: MediumPavilion 41.2°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 28
Current: £495 GBP|Low: £119 GBP|High: £759 GBP|Avg: £349 GBP|+1.8%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 28, 2026
Retailer 7£122 GBP
Retailer 8£190 GBP
Retailer 10£229 GBP
Retailer 13£229 GBP
Retailer 9£305 GBP
Retailer 11£309 GBP
Retailer 5£312 GBP
Retailer 2£317 GBP
Retailer 12£322 GBP
Retailer 4£420 GBP
Retailer 6£430 GBP
Retailer 14£467 GBP
Frank Darling£495 GBP
Retailer 3£759 GBP

18 data points across 14 retailers

6 retailers£122 GBP to £495 GBP

A
Cheapest Retailer
-
£122 GBP
$162 USD
Final sale: no returns
B+
Retailer 2
-
£190 GBP
$252 USD
View
B+
Retailer 3
-
£305 GBP
$405 USD
View
Price last confirmed 15 days ago
B+
Retailer 4
-
£317 GBP
$421 USD
View
B+
Retailer 5
-
£420 GBP
A$858 AUD
View
Price last confirmed 103 days ago
Most Expensive
B
Frank Darling
100759663553KD · Oct 29
£495 GBP
$657 USD
View
5 more retailers have this diamond
Prices start from £122 GBPSave up to £373 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