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Radiant|Lab Grown|IGI

1.84ct H SI1 Radiant Lab Grown Diamond

ID • H/SI1 • IGI LG537213148

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

Certificate IGI LG537213148

Diamond specifications and retailer prices

From £911 GBP
$1,220 USD
As of October 31, 2026
Save £3,439 GBP (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £4,350 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.84ct lab-grown radiant diamond

This 1.84ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG537213148 or 537213148. Listed at 11 retailers as of October 29, 2026, with prices from £911 to £4,350, a £3,439 spread on the same certified stone. MOH London lists it at £4,350. 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

1.84
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle30.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG537213148
Dimensions8.42 × 5.91 × 4.08 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.42 mm5.91 mm1.84 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG537213148
Side View
Table 61.0%Crown 36.5°Girdle: ThickPavilion 30.9°Culet: NoneDepth 69.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £4,350 GBP|Low: £911 GBP|High: £4,385 GBP|Avg: £2,231 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 2£911 GBP
Retailer 7£1,306 GBP
Retailer 11£1,421 GBP
Retailer 12£1,462 GBP
Retailer 8£1,515 GBP
Retailer 5£1,532 GBP
Retailer 13£1,642 GBP
Retailer 3£2,024 GBP
Retailer 9£2,378 GBP
Retailer 6£2,548 GBP
Retailer 10£2,840 GBP
Retailer 4£4,337 GBP
MOH London£4,350 GBP

18 data points across 13 retailers

11 retailers£911 GBP to £4,350 GBP

A
Cheapest Retailer
-
£911 GBP
$1,220 USD
B+
Retailer 2
-
£1,306 GBP
$1,750 USD
View
B+
Retailer 3
-
£1,421 GBP
$1,904 USD
View
B+
Retailer 4
-
£1,462 GBP
$1,959 USD
View
Final sale: no returns
Retailer 5
-
£1,515 GBP
$2,030 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
£1,515 GBP
$2,030 USD
View
B+
Retailer 7
-
£1,642 GBP
$2,200 USD
View
B
Retailer 8
-
£2,378 GBP
$3,186 USD
View
B
Retailer 9
-
£2,548 GBP
$3,414 USD
View
B
Retailer 10
-
£2,840 GBP
$3,805 USD
View
Most Expensive
B
MOH London
LG537213148 · Oct 29
£4,350 GBP
View
10 more retailers have this diamond
Prices start from £911 GBPSave up to £3,439 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
1.84ct Radiant
£911 GBP