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Radiant|Lab Grown|IGI

2.10ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG691526057

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

Certificate IGI LG691526057

Diamond specifications and retailer prices

From £173 GBP
$232 USD
As of October 30, 2026
Save £517 GBP (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £690 GBP at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 2.1ct lab-grown radiant diamond

This 2.1ct lab-grown radiant sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG691526057 or 691526057. Listed at 10 retailers as of October 28, 2026, with prices from £173 to £690, a £517 spread on the same certified stone. NZ Jewellers lists it at £690. 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

2.10
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.3°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691526057
Dimensions9.10 × 6.44 × 4.16 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.10 mm6.44 mm2.10 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691526057
Side View
Table 65.0%Crown 44.3°Girdle: MediumPavilion 34°Culet: NoneDepth 64.6%

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: £690 GBP|Low: £173 GBP|High: £2,448 GBP|Avg: £765 GBP
NZ Jewellers
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 30, 2026
Retailer 15£173 GBP
Retailer 14£201 GBP
Retailer 9£215 GBP
Retailer 12£239 GBP
Retailer 2£264 GBP
Retailer 13£364 GBP
Retailer 8£405 GBP
Retailer 10£420 GBP
Retailer 3£436 GBP
Retailer 11£544 GBP
NZ Jewellers£690 GBP
Retailer 4£964 GBP
Retailer 6£1,427 GBP
Retailer 5£1,798 GBP
Retailer 7£2,448 GBP

4 data points across 15 retailers

10 retailers£173 GBP to £690 GBP

A
Cheapest Retailer
-
£173 GBP
$232 USD
A
Retailer 2
-
£201 GBP
$269 USD
View
A
Retailer 3
-
£215 GBP
$288 USD
View
A
Retailer 4
-
£239 GBP
HK$2,500 HKD
View
A
Retailer 5
-
£264 GBP
View
B+
Retailer 6
-
£364 GBP
$488 USD
View
A
Retailer 7
-
£405 GBP
View
A
Retailer 8
-
£420 GBP
$563 USD
View
B+
Retailer 9
-
£544 GBP
$729 USD
View
Most Expensive
B+
NZ Jewellers
a797eb0b-dc77-40ef-8050-0c7679ac40c0 · Oct 28
£690 GBP
$925 USD
View
9 more retailers have this diamond
Prices start from £173 GBPSave up to £517 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
2.10ct Radiant
£173 GBP