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Radiant|Lab Grown|IGI

1.74ct H SI1 Radiant Lab Grown Diamond

ID • H/SI1 • IGI LG487108318

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

Certificate IGI LG487108318

Diamond specifications and retailer prices

From €985 EUR
$1,100 USD
As of October 31, 2026
Save €3,952 EUR (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €4,937 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.74ct lab-grown radiant diamond

This 1.74ct 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 LG487108318 or 487108318. Listed at 10 retailers as of October 29, 2026, with prices from €985 to €4,937, a €3,952 spread on the same certified stone. MOH London lists it at €4,937. 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

1.74
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.2°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG487108318
Dimensions7.98 × 6.03 × 4.07 mm
L/W Ratio1.32
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
7.98 mm6.03 mm1.74 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG487108318
Side View
Table 65.5%Crown 45.2°Girdle: MED-STKPavilion 31.9°Culet: NoneDepth 67.5%

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: €4,937 EUR|Low: €985 EUR|High: €4,970 EUR|Avg: €2,413 EUR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2€985 EUR
Retailer 5€1,482 EUR
Retailer 9€1,613 EUR
Retailer 6€1,719 EUR
Retailer 10€1,871 EUR
Retailer 3€1,875 EUR
Retailer 11€2,308 EUR
Retailer 7€2,702 EUR
Retailer 4€2,965 EUR
Retailer 8€3,223 EUR
MOH London€4,937 EUR

16 data points across 11 retailers

10 retailers€985 EUR to €4,937 EUR

A
Cheapest Retailer
-
€985 EUR
$1,100 USD
B+
Retailer 2
-
€1,482 EUR
$1,656 USD
View
B+
Retailer 3
-
€1,613 EUR
$1,802 USD
View
Retailer 4
-
€1,719 EUR
$1,921 USD
View
Price last confirmed 19 days ago
B+
Retailer 5
-
€1,719 EUR
$1,921 USD
View
B+
Retailer 6
-
€1,871 EUR
$2,090 USD
View
B
Retailer 7
-
€2,702 EUR
$3,019 USD
View
B
Retailer 8
-
€2,965 EUR
$3,312 USD
View
B
Retailer 9
-
€3,223 EUR
$3,601 USD
View
Most Expensive
B
MOH London
LG487108318 · Oct 29
€4,937 EUR
£4,343 GBP
View
9 more retailers have this diamond
Prices start from €985 EURSave up to €3,952 EUR

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
1.74ct Radiant
€985 EUR