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Radiant|Lab Grown|IGI

4.97ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG648427380

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

Certificate IGI LG648427380

Diamond specifications and retailer prices

From €647 EUR
$723 USD
As of November 1, 2026
Save €4,634 EUR (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €5,281 EUR at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 4.97ct lab-grown radiant diamond

This 4.97ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG648427380 or 648427380. Listed at 13 retailers as of November 1, 2026, with prices from €647 to €5,281, a €4,634 spread on the same certified stone. Do Amore Diamonds lists it at €5,281. 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

4.97
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.5°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648427380
Dimensions12.06 × 8.48 × 5.59 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.06 mm8.48 mm4.97 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648427380
Side View
Table 65.0%Crown 28.5°Girdle: Slightly ThickPavilion 34.3°Culet: NoneDepth 65.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €5,281 EUR|Low: €647 EUR|High: €104,542 EUR|Avg: €14,146 EUR
Do Amore Diamonds
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
November 1, 2026
Retailer 2€647 EUR
Retailer 11€689 EUR
Retailer 10€770 EUR
Retailer 14€850 EUR
Retailer 9€943 EUR
Retailer 15€1,031 EUR
Retailer 12€1,222 EUR
Retailer 13€2,140 EUR
Retailer 4€2,211 EUR
Retailer 3€2,559 EUR
Retailer 5€2,740 EUR
Retailer 8€2,990 EUR
Do Amore Diamonds€5,281 EUR
Retailer 7€6,167 EUR
Retailer 6€104,542 EUR

4 data points across 15 retailers

13 retailers€647 EUR to €5,281 EUR

A
Cheapest Retailer
-
€647 EUR
$723 USD
A
Retailer 2
-
€689 EUR
$770 USD
View
A
Retailer 3
-
€770 EUR
£677 GBP
View
A
Retailer 4
-
€850 EUR
$950 USD
View
B+
Retailer 5
-
€943 EUR
$1,054 USD
View
A
Retailer 6
-
€1,031 EUR
$1,152 USD
View
A
Retailer 7
-
€1,222 EUR
£1,075 GBP
View
B+
Retailer 8
-
€2,140 EUR
$2,391 USD
View
B
Retailer 9
-
€2,559 EUR
$2,859 USD
View
B
Retailer 10
-
€2,740 EUR
$3,062 USD
View
B
Retailer 11
-
€2,990 EUR
£2,630 GBP
View
B
Retailer 12
-
€3,772 EUR
£3,318 GBP
View
Most Expensive
B
Do Amore Diamonds
27-0E6E72FB4 · Nov 1
€5,281 EUR
$5,900 USD
View
12 more retailers have this diamond
Prices start from €647 EURSave up to €4,634 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
4.97ct Radiant
€647 EUR