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Round|Lab Grown|IGI

0.99ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG813665461

Shape and cutting style on the report: Round brilliant

Certificate IGI LG813665461

Diamond specifications and retailer prices

From £124 GBP
$165 USD
As of October 27, 2026
Save £375 GBP (75%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £499 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG813665461 or 813665461. Listed at 6 retailers as of October 27, 2026, with prices from £124 to £499, a £375 spread on the same certified stone. Frank Darling lists it at £499. 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 angle33.7°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813665461
Dimensions6.38 × 6.40 × 3.94 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.38 mm6.40 mm0.99 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813665461
Side View
Table 58.0%Crown 33.7°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.7%

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 27
Current: £499 GBP|Low: £104 GBP|High: £767 GBP|Avg: £347 GBP|+0.2%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 27, 2026
Retailer 2£124 GBP
Retailer 3£193 GBP
Retailer 10£226 GBP
Retailer 4£238 GBP
Retailer 7£239 GBP
Retailer 5£335 GBP
Retailer 8£418 GBP
Retailer 9£479 GBP
Frank Darling£499 GBP
Retailer 6£767 GBP

14 data points across 10 retailers

6 retailers£124 GBP to £499 GBP

A
Cheapest Retailer
-
£124 GBP
$165 USD
Final sale: no returns
A
Retailer 2
-
£133 GBP
$177 USD
View
Price last confirmed 48 days ago
B+
Retailer 3
-
£193 GBP
$257 USD
View
A
Retailer 4
-
£239 GBP
ZAR 5,149 ZAR
View
Price last confirmed 43 days ago
B+
Retailer 5
-
£418 GBP
$557 USD
View
Price last confirmed 43 days ago
Most Expensive
B
Frank Darling
100720517910KD · Oct 29
£499 GBP
$664 USD
View
5 more retailers have this diamond
Prices start from £124 GBPSave up to £375 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
£124 GBP