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Radiant|Lab Grown|IGI

1.01ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG825657743

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

Certificate IGI LG825657743

Diamond specifications and retailer prices

From £172 GBP
$231 USD
As of October 30, 2026
Save £1,250 GBP (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,590 GBP at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.01ct lab-grown radiant diamond

This 1.01ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825657743 or 825657743. Listed at 19 retailers as of October 30, 2026, with a 725% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825657743
Dimensions7.24 × 4.87 × 3.47 mm
L/W Ratio1.49
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
7.24 mm4.87 mm1.01 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825657743
Side View
Table 60.0%Crown 34.1°Girdle: Slightly ThickPavilion 38.9°Culet: NoneDepth 71.3%

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: £1,590 GBP|Low: £172 GBP|High: £2,015 GBP|Avg: £661 GBP|-1.8%
Rare Carat
Retailer 2
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October 31, 2026
Retailer 18£172 GBP
Retailer 20£193 GBP
Retailer 9£200 GBP
Retailer 6£213 GBP
Retailer 8£213 GBP
Retailer 3£363 GBP
Retailer 17£367 GBP
Retailer 2£371 GBP
Retailer 19£387 GBP
Retailer 13£399 GBP
Retailer 5£417 GBP
Retailer 12£418 GBP
Retailer 11£600 GBP
Retailer 7£687 GBP
Retailer 21£689 GBP
Retailer 4£726 GBP
Retailer 10£779 GBP
Retailer 16£861 GBP
Retailer 15£1,328 GBP
Retailer 14£1,423 GBP
Rare Carat£1,590 GBP

37 data points across 21 retailers

19 retailers£172 GBP to £1,423 GBP

A
Cheapest Retailer
-
£172 GBP
$231 USD
A
Retailer 2
-
£193 GBP
$259 USD
View
Final sale: no returns
A
Retailer 3
-
£200 GBP
$268 USD
View
A
Retailer 4
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£213 GBP
$286 USD
View
A
Retailer 5
-
£363 GBP
$486 USD
View
A
Retailer 6
-
£367 GBP
ZAR 7,944 ZAR
View
A
Retailer 7
-
£371 GBP
€474 EUR
View
A
Retailer 8
-
£387 GBP
$518 USD
View
A
Retailer 9
-
£399 GBP
View
A
Retailer 10
-
£417 GBP
$559 USD
View
B+
Retailer 11
-
£600 GBP
SGD 1,087 SGD
View
B+
Retailer 12
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£687 GBP
$920 USD
View
B+
Retailer 13
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£689 GBP
$923 USD
View
B+
Retailer 14
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£726 GBP
$972 USD
View
B+
Retailer 15
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£779 GBP
$1,044 USD
View
B+
Retailer 16
-
£861 GBP
View
B
Retailer 17
-
£1,328 GBP
$1,780 USD
View
B
Retailer 18
-
£1,423 GBP
$1,906 USD
View
Most Expensive
Rare Carat
VR-236507 · Oct 18
£1,590 GBP
$2,130 USD
View
Price last confirmed 12 days ago
18 more retailers have this diamond
Prices start from £172 GBPSave up to £1,250 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
1.01ct Radiant
£172 GBP