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Round|Lab Grown|IGI

0.99ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG754514228

Shape and cutting style on the report: Round brilliant

Certificate IGI LG754514228

Diamond specifications and retailer prices

From £117 GBP
$157 USD
As of October 30, 2026
Save £677 GBP (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £794 GBP at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 LG754514228 or 754514228. Listed at 21 retailers as of October 30, 2026, with prices from £117 to £794, a £677 spread on the same certified stone. Reve Diamonds lists it at £794. 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 angle35.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754514228
Dimensions6.40 × 6.34 × 3.98 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.40 mm6.34 mm0.99 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754514228
Side View
Table 57.0%Crown 35.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
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 30
Current: £268 GBP|Low: £117 GBP|High: £794 GBP|Avg: £324 GBP|+1.3%
Retailer 1
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Retailer 3
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Retailer 12
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Retailer 14
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Retailer 18
Retailer 19
Reve Diamonds
November 1, 2026
Retailer 11£117 GBP
Retailer 5£119 GBP
Retailer 18£133 GBP
Retailer 3£148 GBP
Retailer 8£148 GBP
Retailer 14£259 GBP
Retailer 7£268 GBP
Retailer 1£268 GBP
Retailer 15£286 GBP
Retailer 13£300 GBP
Retailer 6£328 GBP
Retailer 2£368 GBP
Retailer 9£402 GBP
Retailer 16£407 GBP
Retailer 19£438 GBP
Retailer 4£475 GBP
Retailer 17£493 GBP
Retailer 10£515 GBP
Retailer 12£690 GBP
Reve Diamonds£794 GBP

30 data points across 20 retailers

21 retailers£117 GBP to £794 GBP

A
Cheapest Retailer
-
£117 GBP
$157 USD
A
Retailer 2
-
£119 GBP
$159 USD
View
A
Retailer 3
-
£133 GBP
$178 USD
View
Final sale: no returns
A
Retailer 4
-
£148 GBP
$198 USD
View
Retailer 5
-
£148 GBP
$198 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
£259 GBP
View
A
Retailer 7
-
£268 GBP
$359 USD
View
A
Retailer 8
-
£268 GBP
ZAR 5,803 ZAR
View
B+
Retailer 9
-
£286 GBP
€365 EUR
View
A
Retailer 10
-
£300 GBP
View
B+
Retailer 11
-
£328 GBP
$439 USD
View
B+
Retailer 12
-
£368 GBP
A$758 AUD
View
B+
Retailer 13
-
£402 GBP
$539 USD
View
B+
Retailer 14
-
£407 GBP
A$838 AUD
View
B+
Retailer 15
-
£438 GBP
A$902 AUD
View
B
Retailer 16
-
£475 GBP
$636 USD
View
B
Retailer 17
-
£493 GBP
$660 USD
View
B
Retailer 18
-
£503 GBP
$674 USD
View
B
Retailer 19
-
£515 GBP
$691 USD
View
B
Retailer 20
-
£690 GBP
View
Most Expensive
B
Reve Diamonds
EF0C71731 · Nov 1
£794 GBP
$1,064 USD
View
20 more retailers have this diamond
Prices start from £117 GBPSave up to £677 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
£117 GBP