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Round|Lab Grown|IGI

0.45ct D VS1 Round Lab Grown Diamond

EX • D/VS1 • IGI LG817671589

Shape and cutting style on the report: Round brilliant

Certificate IGI LG817671589

Diamond specifications and retailer prices

From £59 GBP
$79 USD
As of October 29, 2026
Save £487 GBP (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £546 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.45ct lab-grown round diamond

This 0.45ct lab-grown round sits in the sub-half-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817671589 or 817671589. Listed at 17 retailers as of October 29, 2026, with prices from £59 to £546, a £487 spread on the same certified stone. MOH London lists it at £546. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.45
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817671589
Dimensions4.89 × 4.91 × 3.03 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
4.89 mm4.91 mm0.45 ctD / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817671589
Side View
Table 57.0%Crown 34.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £546 GBP|Low: £29 GBP|High: £560 GBP|Avg: £184 GBP|-2.4%
MOH London
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
Retailer 15
October 29, 2026
Retailer 7£29 GBP
Retailer 11£59 GBP
Retailer 13£67 GBP
Retailer 5£79 GBP
Retailer 12£128 GBP
Retailer 2£129 GBP
Retailer 10£134 GBP
Retailer 8£143 GBP
Retailer 3£163 GBP
Retailer 9£164 GBP
Retailer 15£207 GBP
Retailer 6£255 GBP
Retailer 14£283 GBP
Retailer 4£389 GBP
MOH London£546 GBP

33 data points across 15 retailers

17 retailers£59 GBP to £546 GBP

A
Cheapest Retailer
-
£59 GBP
$79 USD
A
Retailer 2
-
£67 GBP
$89 USD
View
Final sale: no returns
A
Retailer 3
-
£69 GBP
$92 USD
View
A
Retailer 4
-
£79 GBP
$105 USD
View
A
Retailer 5
-
£79 GBP
$105 USD
View
A
Retailer 6
-
£128 GBP
$170 USD
View
Price last confirmed 11 days ago
A
Retailer 7
-
£129 GBP
View
A
Retailer 8
-
£134 GBP
ZAR 2,873 ZAR
View
A
Retailer 9
-
£143 GBP
€181 EUR
View
A
Retailer 10
-
£163 GBP
$217 USD
View
A
Retailer 11
-
£164 GBP
View
B+
Retailer 12
-
£207 GBP
SGD 373 SGD
View
B+
Retailer 13
-
£238 GBP
$317 USD
View
B+
Retailer 14
-
£255 GBP
$340 USD
View
Price last confirmed 30 days ago
B
Retailer 15
-
£283 GBP
$377 USD
View
B
Retailer 16
-
£389 GBP
View
Most Expensive
B
MOH London
LG817671589 · Oct 29
£546 GBP
View
16 more retailers have this diamond
Prices start from £59 GBPSave up to £487 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
0.45ct Round
£59 GBP