Radiant|Lab Grown|IGI

0.99ct D VS1 Radiant Lab Grown Diamond

VG • D/VS1 • IGI LG649436196

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG649436196

Diamond specifications and retailer prices

From £125 GBP
$167 USD
As of October 30, 2026
Save £687 GBP (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £812 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 0.99ct lab-grown radiant diamond

This 0.99ct lab-grown radiant sits in the just-under-one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG649436196 or 649436196. Listed at 23 retailers as of October 30, 2026, with prices from £125 to £812, a £687 spread on the same certified stone. Reve Diamonds lists it at £812. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.99
Carat
D
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649436196
Dimensions7.01 × 5.04 × 3.26 mm
L/W Ratio1.39
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
7.01 mm5.04 mm0.99 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649436196
Side View
Table 71.0%Crown 42.7°Girdle: MediumPavilion 34.4°Culet: NoneDepth 64.7%

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 30
Current: £274 GBP|Low: £119 GBP|High: £812 GBP|Avg: £369 GBP|+4.6%
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Retailer 20
Reve Diamonds
October 31, 2026
Retailer 2£125 GBP
Retailer 10£139 GBP
Retailer 18£145 GBP
Retailer 8£154 GBP
Retailer 9£154 GBP
Retailer 20£260 GBP
Retailer 1£274 GBP
Retailer 7£278 GBP
Retailer 15£279 GBP
Retailer 17£299 GBP
Retailer 5£334 GBP
Retailer 19£377 GBP
Retailer 16£385 GBP
Retailer 6£405 GBP
Retailer 14£443 GBP
Retailer 3£496 GBP
Retailer 13£521 GBP
Retailer 11£537 GBP
Retailer 4£552 GBP
Retailer 12£726 GBP
Reve Diamonds£812 GBP

42 data points across 21 retailers

23 retailers£125 GBP to £812 GBP

A
Cheapest Retailer
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£125 GBP
$167 USD
A
Retailer 2
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£139 GBP
$186 USD
View
Final sale: no returns
A
Retailer 3
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£145 GBP
$194 USD
View
A
Retailer 4
-
£154 GBP
$207 USD
View
A
Retailer 5
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£154 GBP
$207 USD
View
A
Retailer 6
-
£260 GBP
$348 USD
View
A
Retailer 7
-
£274 GBP
View
B+
Retailer 8
-
£278 GBP
$373 USD
View
A
Retailer 9
-
£279 GBP
ZAR 6,043 ZAR
View
B+
Retailer 10
-
£299 GBP
€381 EUR
View
B+
Retailer 11
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£334 GBP
$448 USD
View
B+
Retailer 12
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£370 GBP
View
B+
Retailer 13
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£377 GBP
$505 USD
View
B+
Retailer 14
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£385 GBP
A$793 AUD
View
Retailer 15
-
£393 GBP
$526 USD
View
Price last confirmed 103 days ago
B
Retailer 16
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£405 GBP
$542 USD
View
B+
Retailer 17
-
£443 GBP
A$913 AUD
View
B
Retailer 18
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£496 GBP
$665 USD
View
B
Retailer 19
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£531 GBP
$712 USD
View
B
Retailer 20
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£537 GBP
$720 USD
View
Retailer 21
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£552 GBP
$740 USD
View
Price last confirmed 7 days ago
B
Retailer 22
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£726 GBP
View
Most Expensive
B
Reve Diamonds
EB2C6828B · Oct 30
£812 GBP
$1,088 USD
View
22 more retailers have this diamond
Prices start from £125 GBPSave up to £687 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 Radiant
£125 GBP