Radiant|Lab Grown|IGI

1.90ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG628451205

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

Certificate IGI LG628451205

Diamond specifications and retailer prices

From £274 GBP
$367 USD
As of October 30, 2026
Save £2,726 GBP (91%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £3,000 GBP at Brilliant Earth · As of October 25, 2026
View at Brilliant Earth

About this 1.9ct lab-grown radiant diamond

This 1.9ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG628451205 or 628451205. Listed at 26 retailers as of October 25, 2026, with prices from £274 to £3,000, a £2,726 spread on the same certified stone. Brilliant Earth lists it at £3,000. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.90
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628451205
Dimensions8.46 × 6.28 × 4.30 mm
L/W Ratio1.35
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
8.46 mm6.28 mm1.90 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628451205
Side View
Table 60.0%Crown 42.1°Girdle: MediumPavilion 36.8°Culet: NoneDepth 68.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £3,000 GBP|Low: £267 GBP|High: £3,000 GBP|Avg: £962 GBP|+13.9%
Brilliant Earth
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 31, 2026
Retailer 12£274 GBP
Retailer 3£396 GBP
Retailer 8£396 GBP
Retailer 6£500 GBP
Retailer 13£562 GBP
Retailer 2£589 GBP
Retailer 11£759 GBP
Retailer 15£817 GBP
Retailer 4£1,140 GBP
Retailer 7£1,183 GBP
Retailer 5£1,198 GBP
Retailer 9£1,249 GBP
Retailer 10£1,285 GBP
Retailer 14£1,493 GBP
Brilliant Earth£3,000 GBP

41 data points across 15 retailers

26 retailers£274 GBP to £3,000 GBP

Retailer 1
-
£239 GBP
$320 USD
Price last confirmed 12 days ago
A
Retailer 2
-
£274 GBP
$367 USD
View
Final sale: no returns
Retailer 3
-
£278 GBP
$372 USD
View
Price last confirmed 17 days ago
Retailer 4
-
£296 GBP
$397 USD
View
Price last confirmed 15 days ago
Retailer 5
-
£296 GBP
$397 USD
View
Price last confirmed 11 days ago
A
Retailer 6
-
£396 GBP
$530 USD
View
B+
Retailer 7
-
£396 GBP
$530 USD
View
A
Retailer 8
-
£411 GBP
HK$4,300 HKD
View
A
Retailer 9
-
£500 GBP
$670 USD
View
A
Retailer 10
-
£562 GBP
ZAR 12,172 ZAR
View
A
Retailer 11
-
£589 GBP
View
A
Retailer 12
-
£602 GBP
$806 USD
View
B+
Retailer 13
-
£759 GBP
A$1,565 AUD
View
B+
Retailer 14
-
£817 GBP
$1,095 USD
View
Retailer 15
-
£1,052 GBP
$1,410 USD
View
Price last confirmed 11 days ago
B
Retailer 16
-
£1,140 GBP
$1,527 USD
View
B
Retailer 17
-
£1,170 GBP
$1,568 USD
View
B
Retailer 18
-
£1,174 GBP
$1,572 USD
View
B
Retailer 19
-
£1,198 GBP
SGD 2,169 SGD
View
B+
Retailer 20
-
£1,249 GBP
A$2,574 AUD
View
B+
Retailer 21
-
£1,285 GBP
View
B
Retailer 22
-
£1,437 GBP
View
Retailer 23
-
£1,493 GBP
$2,000 USD
View
Price last confirmed 12 days ago
B
Retailer 24
-
£2,120 GBP
$2,840 USD
View
B
Retailer 25
-
£2,411 GBP
$3,230 USD
View
Most Expensive
B
Brilliant Earth
11533697A · Oct 25
£3,000 GBP
$4,020 USD
View
25 more retailers have this diamond
Prices start from £274 GBPSave up to £2,726 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
1.90ct Radiant
£274 GBP