Radiant|Lab Grown|IGI

1.01ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG700559731

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

Certificate IGI LG700559731

Diamond specifications and retailer prices

From £163 GBP
$219 USD
As of October 30, 2026
Save £772 GBP (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £935 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG700559731 or 700559731. Listed at 16 retailers as of October 30, 2026, with prices from £163 to £935, a £772 spread on the same certified stone. Reve Diamonds lists it at £935. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700559731
Dimensions7.40 × 4.95 × 3.24 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.40 mm4.95 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700559731
Side View
Table 64.0%Crown 39.7°Girdle: MED-STKPavilion 35.9°Culet: NoneDepth 65.5%

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: £376 GBP|Low: £129 GBP|High: £935 GBP|Avg: £467 GBP|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
October 31, 2026
Retailer 8£163 GBP
Retailer 12£182 GBP
Retailer 10£202 GBP
Retailer 4£229 GBP
Retailer 2£257 GBP
Retailer 7£346 GBP
Retailer 1£376 GBP
Retailer 11£377 GBP
Retailer 6£653 GBP
Retailer 3£690 GBP
Retailer 9£761 GBP
Retailer 5£812 GBP
Reve Diamonds£935 GBP

42 data points across 13 retailers

16 retailers£163 GBP to £935 GBP

A
Cheapest Retailer
-
£163 GBP
$219 USD
A
Retailer 2
-
£182 GBP
$244 USD
View
Final sale: no returns
A
Retailer 3
-
£190 GBP
$254 USD
View
A
Retailer 4
-
£202 GBP
$271 USD
View
A
Retailer 5
-
£202 GBP
$271 USD
View
A
Retailer 6
-
£229 GBP
HK$2,400 HKD
View
A
Retailer 7
-
£257 GBP
$345 USD
View
B+
Retailer 8
-
£346 GBP
$464 USD
View
B+
Retailer 9
-
£376 GBP
View
B+
Retailer 10
-
£377 GBP
$505 USD
View
B
Retailer 11
-
£650 GBP
$871 USD
View
B
Retailer 12
-
£653 GBP
$875 USD
View
B
Retailer 13
-
£690 GBP
$924 USD
View
B
Retailer 14
-
£761 GBP
$1,020 USD
View
B
Retailer 15
-
£812 GBP
View
Most Expensive
B
Reve Diamonds
02E8E8E75 · Oct 30
£935 GBP
$1,253 USD
View
15 more retailers have this diamond
Prices start from £163 GBPSave up to £772 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
£163 GBP