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Round|Lab Grown|IGI

0.98ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG818645089

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818645089

Diamond specifications and retailer prices

From £109 GBP
$145 USD
As of October 29, 2026
Save £1,045 GBP (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £1,154 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 0.98ct lab-grown round diamond

This 0.98ct 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 LG818645089 or 818645089. Listed at 24 retailers as of October 27, 2026, with prices from £109 to £1,154, a £1,045 spread on the same certified stone. Queensmith lists it at £1,154. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.98
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818645089
Dimensions6.34 × 6.39 × 3.91 mm
L/W Ratio1.01
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
6.34 mm6.39 mm0.98 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818645089
Side View
Table 59.0%Crown 35.5°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 61.6%

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: £275 GBP|Low: £104 GBP|High: £639 GBP|Avg: £278 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 12£109 GBP
Retailer 2£135 GBP
Retailer 3£135 GBP
Retailer 13£182 GBP
Retailer 6£232 GBP
Retailer 7£236 GBP
Retailer 9£244 GBP
Retailer 1£275 GBP
Retailer 4£318 GBP
Retailer 10£336 GBP
Retailer 11£343 GBP
Retailer 5£421 GBP
Retailer 8£634 GBP

38 data points across 13 retailers

24 retailers£109 GBP to £1,154 GBP

A
Cheapest Retailer
-
£109 GBP
$145 USD
Retailer 2
-
£122 GBP
$162 USD
View
Price last confirmed 13 days ago
Final sale: no returns
A
Retailer 3
-
£126 GBP
$168 USD
View
A
Retailer 4
-
£135 GBP
$180 USD
View
A
Retailer 5
-
£135 GBP
$180 USD
View
A
Retailer 6
-
£154 GBP
HK$1,600 HKD
View
B+
Retailer 7
-
£182 GBP
$242 USD
View
A
Retailer 8
-
£224 GBP
$298 USD
View
A
Retailer 9
-
£232 GBP
View
A
Retailer 10
-
£236 GBP
€299 EUR
View
A
Retailer 11
-
£244 GBP
ZAR 5,246 ZAR
View
A
Retailer 12
-
£275 GBP
View
Retailer 13
-
£312 GBP
$415 USD
View
Price last confirmed 32 days ago
B+
Retailer 14
-
£318 GBP
$423 USD
View
B+
Retailer 15
-
£336 GBP
A$689 AUD
View
B+
Retailer 16
-
£343 GBP
$457 USD
View
B+
Retailer 17
-
£371 GBP
SGD 668 SGD
View
B+
Retailer 18
-
£429 GBP
$571 USD
View
B+
Retailer 19
-
£434 GBP
$578 USD
View
B
Retailer 20
-
£476 GBP
$633 USD
View
Retailer 21
-
£608 GBP
$810 USD
View
Price last confirmed 39 days ago
B
Retailer 22
-
£634 GBP
View
B
Retailer 23
-
£764 GBP
$1,018 USD
View
Most Expensive
B
Queensmith
LG818645089 · Oct 27
£1,154 GBP
View
23 more retailers have this diamond
Prices start from £109 GBPSave up to £1,045 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
0.98ct Round
£109 GBP